1<!doctype html> 2<html lang="en"> 3 <head> 4 <meta charset="UTF-8" /> 5 <meta name="viewport" content="width=device-width, initial-scale=1.0" /> 6 <title>SDS Theory Group | CUHK-Shenzhen</title><meta data-page-meta="" name="description" content="The SDS Theory Group at the School of Data Science, CUHK-Shenzhen studies algorithms, optimization, learning, economics, and the theoretical foundations of data science."/><meta data-page-meta="" name="robots" content="index, follow"/><meta data-page-meta="" property="og:title" content="SDS Theory Group | CUHK-Shenzhen"/><meta data-page-meta="" property="og:description" content="The SDS Theory Group at the School of Data Science, CUHK-Shenzhen studies algorithms, optimization, learning, economics, and the theoretical foundations of data science."/><meta data-page-meta="" property="og:site_name" content="SDS Theory Group"/><meta data-page-meta="" property="og:type" content="website"/><link data-page-meta="" rel="canonical" href="https://sds-theory.github.io/"/><meta data-page-meta="" property="og:url" content="https://sds-theory.github.io/"/> 7
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7 8 <link rel="stylesheet" crossorigin href="/assets/index-BIQ0fBfJ.css"> 9 </head> 10 <body> 11 <div id="root" data-language="en"><div class="min-h-screen bg-[#f9faf7] text-slate-800 transition-colors duration-300"><header class="sticky top-0 z-50 border-b border-slate-200 bg-white"><div class="relative mx-auto flex w-screen max-w-[100vw] items-center justify-between gap-3 px-4 py-2 sm:px-6 md:w-full md:max-w-7xl md:gap-4 lg:px-8"><button type="button" class="inline-flex h-10 w-10 shrink-0 items-center justify-center rounded border border-ink bg-ink text-white shadow-sm lg:hidden" aria-label="Open menu"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-menu "><line x1="4" x2="20" y1="12" y2="12"></line><line x1="4" x2="20" y1="6" y2="6"></line><line x1="4" x2="20" y1="18" y2="18"></line></svg></button><a href="https://sds.cuhk.edu.cn/" class="flex min-w-0 flex-1 items-center justify-center lg:shrink lg:justify-start"><img src="/images/sds-logo.png" alt="School of Data Science" class="h-auto w-[220px] max-w-full object-contain sm:h-16 sm:w-auto sm:max-w-none lg:h-[4.25rem]"/></a><nav class="hidden items-center gap-1 lg:flex" aria-label="Primary navigation"><a aria-current="page" class="rounded px-3 py-2 text-sm font-medium transition bg-ink text-white" href="/">Home</a><a class="rounded px-3 py-2 text-sm font-medium transition text-slate-600 hover:bg-slate-100 hover:text-ink" href="/faculty">Members</a><a class="rounded px-3 py-2 text-sm font-medium transition text-slate-600 hover:bg-slate-100 hover:text-ink" href="/students">Students</a><a class="rounded px-3 py-2 text-sm font-medium transition text-slate-600 hover:bg-slate-100 hover:text-ink" href="/events">Activities</a><a class="rounded px-3 py-2 text-sm font-medium transition text-slate-600 hover:bg-slate-100 hover:text-ink" href="/recruit">Recruit</a><a class="rounded px-3 py-2 text-sm font-medium transition text-slate-600 hover:bg-slate-100 hover:text-ink" href="/collaborate">Collaborate</a><a class="rounded px-3 py-2 text-sm font-medium transition text-slate-600 hover:bg-slate-100 hover:text-ink" href="/contact">Contact</a></nav><div class="hidden items-center gap-2 lg:flex"><button type="button" class="inline-flex h-10 w-10 items-center justify-center rounded border border-slate-200 text-slate-700 transition hover:border-tealstone hover:text-tealstone" aria-label="Switch language" title="Chinese"><svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-languages "><path d="m5 8 6 6"></path><path d="m4 14 6-6 2-3"></path><path d="M2 5h12"></path><path d="M7 2h1"></path><path d="m22 22-5-10-5 10"></path><path d="M14 18h6"></path></svg></button></div></div></header><div class="page-language-enter"><main><section class="overflow-hidden bg-[#101719] text-white" aria-labelledby="home-title"><div class="relative mx-auto aspect-[3/2] max-w-[1920px] overflow-hidden sm:aspect-[12/5] sm:max-h-[520px]"><img src="/images/group-photo-2026-09-2400.webp" srcSet="/images/group-photo-2026-09-960.webp 960w, /images/group-photo-2026-09-2400.webp 2400w" sizes="(min-width: 1920px) 1920px, 100vw" alt="SDS Theory Group members gathered for a meal" width="2400" height="1600" loading="eager" class="absolute inset-0 h-full w-full object-cover object-center sm:object-[50%_25%]"/><div aria-hidden="true" class="pointer-events-none absolute inset-x-0 bottom-0 h-[40%] bg-gradient-to-t from-[#101719]/95 via-[#101719]/40 to-transparent"></div><button type="button" aria-haspopup="dialog" aria-label="View full group photo" title="View full group photo" class="absolute right-4 top-4 grid h-10 w-10 place-items-center rounded border border-white/50 bg-white/90 text-ink shadow-sm transition hover:bg-white focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-white focus-visible:ring-offset-2 focus-visible:ring-offset-ink sm:right-6 sm:top-6"><svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 "><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button><div class="absolute inset-x-0 bottom-5 mx-auto max-w-7xl px-4 sm:bottom-6 sm:px-6 lg:px-8">
11<h1 id="home-title" class="hero-title-in text-3xl font-semibold leading-[1.08] sm:text-5xl lg:text-6xl">SDS <span class="inline-block">Theory Group</span></h1></div></div><div class="mx-auto grid max-w-7xl gap-4 px-4 py-5 sm:px-6 lg:grid-cols-[1fr_1.1fr] lg:items-center lg:gap-12 lg:px-8 lg:py-6"><p class="hero-subtitle-in text-lg font-medium leading-7 text-white sm:text-xl sm:leading-8">Rigorous algorithmic and mathematical foundations<!-- --> for<span class="block">data, learning, optimization, and decision systems.</span></p><p class="hero-about-in border-l border-tealstone/70 pl-5 text-sm leading-6 text-slate-300">We are a focused theory community at the School of Data Science, CUHK-Shenzhen. Our research connects algorithms, optimization, learning, economics, and discrete mathematics with the foundational questions behind modern data-driven systems.</p></div></section><section class="bg-[#f2f8f7]" id="why"><div class="mx-auto max-w-7xl px-4 pb-11 pt-5 sm:px-6 lg:px-8"><div class="max-w-4xl"><h2 class="reveal-left text-3xl font-semibold text-ink sm:text-4xl ">Why SDS Theory Group?</h2></div><div class="mt-5 grid gap-5 lg:grid-cols-4"><article class="pop-card lift-card group relative flex min-h-[380px] flex-col overflow-hidden rounded border border-slate-200 bg-[#fbfefd] p-5 shadow-sm " style="transition-delay:0ms;animation-delay:0ms"><div aria-hidden="true" class="pointer-events-none absolute -right-14 -top-5 z-0 h-60 w-80 overflow-hidden [mask-image:linear-gradient(to_bottom,transparent_0%,black_18%,black_62%,transparent_100%)]"><img src="/images/sds-campus-watermark.jpg" alt="" class="h-full w-full object-cover mix-blend-multiply grayscale-[8%] transition duration-700 [mask-image:linear-gradient(90deg,transparent_0%,black_34%,black_100%)] group-hover:scale-[1.03] opacity-[0.24] saturate-[0.9] group-hover:opacity-[0.32]"/></div><div class="relative z-10 lg:min-h-[290px]"><p class="text-xs font-semibold uppercase tracking-normal text-copper">Rooted in the School's interdisciplinary ecosystem</p><h3 class="mt-2 text-2xl font-semibold leading-8 text-ink"><span class="block">A Fertile Ground</span><span class="block">for Theory</span></h3><p class="mt-4 text-sm leading-6 text-slate-600">SDS connects computer science, statistics, operations research, AI, machine learning, big data, and decision systems, giving theory a broad data-science setting.</p></div><div class="relative z-10 mt-3 space-y-3"><button type="button" aria-expanded="false" class="group/point w-full rounded border p-3 text-left transition duration-300 hover:-translate-y-0.5 hover:border-tealstone/50 hover:bg-white hover:shadow-sm focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-tealstone/40 border-slate-200 bg-white/85"><div class="flex items-center justify-between gap-3"><div class="flex items-center gap-2.5"><span class="h-1.5 w-1.5 flex-none rounded-full bg-copper/70"></span><p class="text-sm font-semibold text-ink">Computer science as a key support</p></div><svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-chevron-down flex-none text-copper transition duration-300 group-hover/point:rotate-180 "><path d="m6 9 6 6 6-6"></path></svg></div><p class="overflow-hidden text-xs leading-5 text-slate-600 transition-all duration-300 ease-out group-hover/point:mt-2 group-hover/point:max-h-32 group-hover/point:opacity-100 group-focus-visible/point:mt-2 group-focus-visible/point:max-h-32 group-focus-visible/point:opacity-100 mt-0 max-h-0 opacity-0">The School lists computer science and technology as a core direction, spanning foundations, networks, software, security, AI, and machine learning.</p></button><button type="button" aria-expanded="false" class="group/point w-full rounded border p-3 text-left transition duration-300 hover:-translate-y-0.5 hover:border-tealstone/50 hover:bg-white hover:shadow-sm focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-tealstone/40 border-slate-200 bg-white/85"><div class="flex items-center justify-between gap-3"><div class="flex items-center gap-2.5"><span class="h-1.5 w-1.5 flex-none rounded-full bg-copper/70"></span>
11<p class="text-sm font-semibold text-ink">A theory platform facing real settings</p></div><svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-chevron-down flex-none text-copper transition duration-300 group-hover/point:rotate-180 "><path d="m6 9 6 6 6-6"></path></svg></div><p class="overflow-hidden text-xs leading-5 text-slate-600 transition-all duration-300 ease-out group-hover/point:mt-2 group-hover/point:max-h-32 group-hover/point:opacity-100 group-focus-visible/point:mt-2 group-focus-visible/point:max-h-32 group-focus-visible/point:opacity-100 mt-0 max-h-0 opacity-0">Its work in data management, networks, software, and security creates broad space for theory grounded in real data-science problems.</p></button></div><div class="relative z-10 mt-auto flex flex-wrap justify-center gap-4 pt-6"><button type="button" aria-haspopup="dialog" class="inline-flex items-center justify-center gap-2 rounded bg-ink px-4 py-3 text-sm font-semibold text-white shadow-lg shadow-ink/10 transition duration-300 hover:-translate-y-0.5 hover:bg-tealstone">Explore<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-arrow-right "><path d="M5 12h14"></path><path d="m12 5 7 7-7 7"></path></svg></button><a href="https://sds.cuhk.edu.cn/" class="inline-flex items-center justify-center gap-2 rounded px-4 py-3 text-sm font-semibold transition duration-300 hover:-translate-y-0.5 border border-slate-300 bg-white/70 text-ink hover:border-tealstone hover:text-tealstone" target="_blank" rel="noreferrer">College Website<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-arrow-right "><path d="M5 12h14"></path><path d="m12 5 7 7-7 7"></path></svg></a></div></article><article class="pop-card lift-card group relative flex min-h-[380px] flex-col overflow-hidden rounded border border-slate-200 bg-[#fbfefd] p-5 shadow-sm " style="transition-delay:95ms;animation-delay:95ms"><div aria-hidden="true" class="pointer-events-none absolute -right-14 -top-5 z-0 h-60 w-80 overflow-hidden [mask-image:linear-gradient(to_bottom,transparent_0%,black_18%,black_62%,transparent_100%)]"><img src="/images/sds-pillar-faculty.jpg" alt="" class="h-full w-full object-cover mix-blend-multiply grayscale-[8%] transition duration-700 [mask-image:linear-gradient(90deg,transparent_0%,black_34%,black_100%)] group-hover:scale-[1.03] opacity-[0.24] saturate-[0.9] group-hover:opacity-[0.32]"/></div><div class="relative z-10 lg:min-h-[290px]"><p class="text-xs font-semibold uppercase tracking-normal text-copper">Solid backgrounds and international perspective</p><h3 class="mt-2 text-2xl font-semibold leading-8 text-ink"><span class="block">A Well-Grounded</span><span class="block">Research Team</span></h3><p class="mt-4 text-sm leading-6 text-slate-600">Members bring rigorous theory training and international perspective, with diverse but complementary research focuses that connect mathematical and algorithmic thinking to foundational questions in data science.</p></div><div class="relative z-10 mt-3 space-y-3"><button type="button" aria-expanded="false" class="group/point w-full rounded border p-3 text-left transition duration-300 hover:-translate-y-0.5 hover:border-tealstone/50 hover:bg-white hover:shadow-sm focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-tealstone/40 border-slate-200 bg-white/85"><div class="flex items-center justify-between gap-3"><div class="flex items-center gap-2.5"><span class="h-1.5 w-1.5 flex-none rounded-full bg-copper/70"></span><p class="text-sm font-semibold text-ink">Overseas training and international perspective</p></div><svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-chevron-down flex-none text-copper transition duration-300 group-hover/point:rotate-180 "><path d="m6 9 6 6 6-6"></path></svg></div><p class="overflow-hidden text-xs leading-5 text-slate-600 transition-all duration-300 ease-out group-hover/point:mt-2 group-hover/point:max-h-32 group-hover/point:opacity-100 group-focus-visible/point:mt-2 group-focus-visible/point:max-h-32 group-focus-visible/point:opacity-100 mt-0 max-h-0 opacity-0">Members hold Ph.D. degrees from well-known universities and have overseas teaching or research experience. They follow advanced international research practices and connect to the research frontier.</p></button><button type="button" aria-expanded="false" class="group/point w-full rounded border p-3 text-left transition duration-300 hover:-translate-y-0.5 hover:border-tealstone/50 hover:bg-white hover:shadow-sm focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-tealstone/40 border-slate-200 bg-white/85"><div class="flex items-center justify-between gap-3"><div class="flex items-center gap-2.5"><span class="h-1.5 w-1.5 flex-none rounded-full bg-copper/70"></span>
11<p class="text-sm font-semibold text-ink">Solid and complementary theoretical backgrounds</p></div><svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-chevron-down flex-none text-copper transition duration-300 group-hover/point:rotate-180 "><path d="m6 9 6 6 6-6"></path></svg></div><p class="overflow-hidden text-xs leading-5 text-slate-600 transition-all duration-300 ease-out group-hover/point:mt-2 group-hover/point:max-h-32 group-hover/point:opacity-100 group-focus-visible/point:mt-2 group-focus-visible/point:max-h-32 group-focus-visible/point:opacity-100 mt-0 max-h-0 opacity-0">Research directions span traditional algorithms, optimization, machine learning, economics, and data management, linking foundational theory with data-science problems.</p></button></div><div class="relative z-10 mt-auto flex flex-wrap justify-center gap-4 pt-6"><a class="inline-flex items-center justify-center gap-2 rounded px-4 py-3 text-sm font-semibold transition duration-300 hover:-translate-y-0.5 bg-ink text-white shadow-lg shadow-ink/10 hover:bg-tealstone" href="/faculty">Member Profiles<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-arrow-right "><path d="M5 12h14"></path><path d="m12 5 7 7-7 7"></path></svg></a><a href="https://sds.cuhk.edu.cn/taxonomy/term/37" class="inline-flex items-center justify-center gap-2 rounded px-4 py-3 text-sm font-semibold transition duration-300 hover:-translate-y-0.5 border border-slate-300 bg-white/70 text-ink hover:border-tealstone hover:text-tealstone" target="_blank" rel="noreferrer">Join Us<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-arrow-right "><path d="M5 12h14"></path><path d="m12 5 7 7-7 7"></path></svg></a></div></article><article class="pop-card lift-card group relative flex min-h-[380px] flex-col overflow-hidden rounded border border-slate-200 bg-[#fbfefd] p-5 shadow-sm " style="transition-delay:190ms;animation-delay:190ms"><div aria-hidden="true" class="pointer-events-none absolute -right-14 -top-5 z-0 h-60 w-80 overflow-hidden [mask-image:linear-gradient(to_bottom,transparent_0%,black_18%,black_62%,transparent_100%)]"><img src="/images/sds-pillar-training.jpg" alt="" class="h-full w-full object-cover mix-blend-multiply grayscale-[8%] transition duration-700 [mask-image:linear-gradient(90deg,transparent_0%,black_34%,black_100%)] group-hover:scale-[1.03] opacity-[0.13] saturate-[0.75] group-hover:opacity-[0.18]"/></div><div class="relative z-10 lg:min-h-[290px]"><p class="text-xs font-semibold uppercase tracking-normal text-copper">From strong problem solving to research maturity</p><h3 class="mt-2 text-2xl font-semibold leading-8 text-ink"><span class="block">Human-Centered</span><span class="block">Research Training</span></h3><p class="mt-4 text-sm leading-6 text-slate-600">Close advising, sustained discussion, and real research problems help students develop rigorous habits and independent taste, growing into young scholars who identify problems, distill questions, and advance research.</p></div><div class="relative z-10 mt-3 space-y-3"><button type="button" aria-expanded="false" class="group/point w-full rounded border p-3 text-left transition duration-300 hover:-translate-y-0.5 hover:border-tealstone/50 hover:bg-white hover:shadow-sm focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-tealstone/40 border-slate-200 bg-white/85"><div class="flex items-center justify-between gap-3"><div class="flex items-center gap-2.5"><span class="h-1.5 w-1.5 flex-none rounded-full bg-copper/70"></span><p class="text-sm font-semibold text-ink">From problem solving to research taste</p></div><svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-chevron-down flex-none text-copper transition duration-300 group-hover/point:rotate-180 "><path d="m6 9 6 6 6-6"></path></svg></div><p class="overflow-hidden text-xs leading-5 text-slate-600 transition-all duration-300 ease-out group-hover/point:mt-2 group-hover/point:max-h-32 group-hover/point:opacity-100 group-focus-visible/point:mt-2 group-focus-visible/point:max-h-32 group-focus-visible/point:opacity-100 mt-0 max-h-0 opacity-0">We help students turn mathematical intuition, algorithmic thinking, and problem-solving ability into research reasoning, then into the ability to advance and lead research.</p></button><button type="button" aria-expanded="false" class="group/point w-full rounded border p-3 text-left transition duration-300 hover:-translate-y-0.5 hover:border-tealstone/50 hover:bg-white hover:shadow-sm focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-tealstone/40 border-slate-200 bg-white/85"><div class="flex items-center justify-between gap-3"><div class="flex items-center gap-2.5"><span class="h-1.5 w-1.5 flex-none rounded-full bg-copper/70"></span>
11<p class="text-sm font-semibold text-ink">Connecting theory with real problems</p></div><svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-chevron-down flex-none text-copper transition duration-300 group-hover/point:rotate-180 "><path d="m6 9 6 6 6-6"></path></svg></div><p class="overflow-hidden text-xs leading-5 text-slate-600 transition-all duration-300 ease-out group-hover/point:mt-2 group-hover/point:max-h-32 group-hover/point:opacity-100 group-focus-visible/point:mt-2 group-focus-visible/point:max-h-32 group-focus-visible/point:opacity-100 mt-0 max-h-0 opacity-0">Training distills deep theoretical questions from data, learning, optimization, and decision systems, connecting rigorous theory with practice.</p></button></div><div class="relative z-10 mt-auto flex flex-wrap justify-center gap-4 pt-6"><a class="inline-flex items-center justify-center gap-2 rounded px-4 py-3 text-sm font-semibold transition duration-300 hover:-translate-y-0.5 bg-ink text-white shadow-lg shadow-ink/10 hover:bg-tealstone" href="/recruit">Recruitment Info<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-arrow-right "><path d="M5 12h14"></path><path d="m12 5 7 7-7 7"></path></svg></a><a class="inline-flex items-center justify-center gap-2 rounded px-4 py-3 text-sm font-semibold transition duration-300 hover:-translate-y-0.5 border border-slate-300 bg-white/70 text-ink hover:border-tealstone hover:text-tealstone" href="/students">Current Students<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-arrow-right "><path d="M5 12h14"></path><path d="m12 5 7 7-7 7"></path></svg></a></div></article><article class="pop-card lift-card group relative flex min-h-[380px] flex-col overflow-hidden rounded border border-slate-200 bg-[#fbfefd] p-5 shadow-sm " style="transition-delay:285ms;animation-delay:285ms"><div aria-hidden="true" class="pointer-events-none absolute -right-14 -top-5 z-0 h-60 w-80 overflow-hidden [mask-image:linear-gradient(to_bottom,transparent_0%,black_18%,black_62%,transparent_100%)]"><img src="/images/sds-pillar-algorithms.png" alt="" class="h-full w-full object-cover mix-blend-multiply grayscale-[8%] transition duration-700 [mask-image:linear-gradient(90deg,transparent_0%,black_34%,black_100%)] group-hover:scale-[1.03] opacity-[0.14] saturate-[0.8] group-hover:opacity-[0.19]"/></div><div class="relative z-10 lg:min-h-[290px]"><p class="text-xs font-semibold uppercase tracking-normal text-copper">Open exchange and sustained encounters</p><h3 class="mt-2 text-2xl font-semibold leading-8 text-ink"><span class="block">A Lively Theory Community</span></h3><p class="mt-4 text-sm leading-6 text-slate-600">Theory grows through discussion. Seminars, reading groups, student meetings, visitor talks, informal problem sessions, and cross-area collaborations build a steady academic rhythm.</p></div><div class="relative z-10 mt-3 space-y-3"><button type="button" aria-expanded="false" class="group/point w-full rounded border p-3 text-left transition duration-300 hover:-translate-y-0.5 hover:border-tealstone/50 hover:bg-white hover:shadow-sm focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-tealstone/40 border-slate-200 bg-white/85"><div class="flex items-center justify-between gap-3"><div class="flex items-center gap-2.5"><span class="h-1.5 w-1.5 flex-none rounded-full bg-copper/70"></span><p class="text-sm font-semibold text-ink">Regular academic exchange</p></div><svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-chevron-down flex-none text-copper transition duration-300 group-hover/point:rotate-180 "><path d="m6 9 6 6 6-6"></path></svg></div><p class="overflow-hidden text-xs leading-5 text-slate-600 transition-all duration-300 ease-out group-hover/point:mt-2 group-hover/point:max-h-32 group-hover/point:opacity-100 group-focus-visible/point:mt-2 group-focus-visible/point:max-h-32 group-focus-visible/point:opacity-100 mt-0 max-h-0 opacity-0">Seminars, reading groups, student discussions, visitor talks, and informal problem sessions create a sustained rhythm of exchange and mutual inspiration.</p></button><button type="button" aria-expanded="false" class="group/point w-full rounded border p-3 text-left transition duration-300 hover:-translate-y-0.5 hover:border-tealstone/50 hover:bg-white hover:shadow-sm focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-tealstone/40 border-slate-200 bg-white/85"><div class="flex items-center justify-between gap-3"><div class="flex items-center gap-2.5"><span class="h-1.5 w-1.5 flex-none rounded-full bg-copper/70"></span>
11<p class="text-sm font-semibold text-ink">Open collaboration ecosystem</p></div><svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-chevron-down flex-none text-copper transition duration-300 group-hover/point:rotate-180 "><path d="m6 9 6 6 6-6"></path></svg></div><p class="overflow-hidden text-xs leading-5 text-slate-600 transition-all duration-300 ease-out group-hover/point:mt-2 group-hover/point:max-h-32 group-hover/point:opacity-100 group-focus-visible/point:mt-2 group-focus-visible/point:max-h-32 group-focus-visible/point:opacity-100 mt-0 max-h-0 opacity-0">Visits, informal discussions, and cross-area projects keep the group open, bringing new problems, methods, and collaborations into the community.</p></button></div><div class="relative z-10 mt-auto flex flex-wrap justify-center gap-4 pt-6"><a class="inline-flex items-center justify-center gap-2 rounded px-4 py-3 text-sm font-semibold transition duration-300 hover:-translate-y-0.5 bg-ink text-white shadow-lg shadow-ink/10 hover:bg-tealstone" href="/events">Activities Overview<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-arrow-right "><path d="M5 12h14"></path><path d="m12 5 7 7-7 7"></path></svg></a><a class="inline-flex items-center justify-center gap-2 rounded px-4 py-3 text-sm font-semibold transition duration-300 hover:-translate-y-0.5 border border-slate-300 bg-white/70 text-ink hover:border-tealstone hover:text-tealstone" href="/collaborate">Academic Collaboration<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-arrow-right "><path d="M5 12h14"></path><path d="m12 5 7 7-7 7"></path></svg></a></div></article></div></div></section><section class="bg-[#f6fbfa]" id="research"><div class="mx-auto max-w-7xl px-4 py-10 sm:px-6 lg:px-8"><div class="flex flex-col justify-between gap-5 md:flex-row md:items-end"><div><h2 class="text-3xl font-semibold text-ink sm:text-4xl">Research Areas</h2></div></div><div class="mt-5 grid gap-4 lg:grid-cols-3"><article class="motion-card lift-card rounded border border-slate-200 bg-white p-5 shadow-sm" style="animation-delay:0ms"><div class="flex items-center justify-between"><span class="font-mono text-sm font-semibold text-copper">01</span><svg xmlns="http://www.w3.org/2000/svg" width="21" height="21" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-book-open text-tealstone"><path d="M2 3h6a4 4 0 0 1 4 4v14a3 3 0 0 0-3-3H2z"></path><path d="M22 3h-6a4 4 0 0 0-4 4v14a3 3 0 0 1 3-3h7z"></path></svg></div><h3 class="mt-4 text-xl font-semibold leading-7 text-ink">Algorithms for Large-Scale Data and Complex Networks</h3><p class="mt-3 text-sm leading-6 text-slate-600">Theoretical foundations for graph algorithms, dynamic and streaming models, online algorithms, data structures, and database and data mining theory.</p><div class="mt-4 flex flex-wrap gap-2"><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Graph algorithms</span><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Dynamic algorithms</span><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Streaming algorithms</span><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Online algorithms</span><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Data structures</span><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Database theory</span><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Data mining theory</span></div></article><article class="motion-card lift-card rounded border border-slate-200 bg-white p-5 shadow-sm" style="animation-delay:100ms"><div class="flex items-center justify-between"><span class="font-mono text-sm font-semibold text-copper">02</span><svg xmlns="http://www.w3.org/2000/svg" width="21" height="21" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-book-open text-tealstone"><path d="M2 3h6a4 4 0 0 1 4 4v14a3 3 0 0 0-3-3H2z"></path><path d="M22 3h-6a4 4 0 0 0-4 4v14a3 3 0 0 1 3-3h7z"></path></svg></div><h3 class="mt-4 text-xl font-semibold leading-7 text-ink">Optimization, Learning, and Statistical Foundations</h3><p class="mt-3 text-sm leading-6 text-slate-600">Mathematical foundations for optimization, machine learning theory, statistical foundations, and theoretical data science.</p><div class="mt-4 flex flex-wrap gap-2"><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Optimization</span><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Machine learning theory</span><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Statistics</span><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Mathematical foundations</span><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Theoretical data science</span></div></article><article class="motion-card lift-card rounded border border-slate-200 bg-white p-5 shadow-sm" style="animation-delay:200ms"><div class="flex items-center justify-between"><span class="font-mono text-sm font-semibold text-copper">03</span><svg xmlns="http://www.w3.org/2000/svg" width="21" height="21" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-book-open text-tealstone"><path d="M2 3h6a4 4 0 0 1 4 4v14a3 3 0 0 0-3-3H2z"></path><path d="M22 3h-6a4 4 0 0 0-4 4v14a3 3 0 0 1 3-3h7z"></path></svg></div><h3 class="mt-4 text-xl font-semibold leading-7 text-ink">Economics, Computation, and Decision Making</h3><p class="mt-3 text-sm leading-6 text-slate-600">Theoretical foundations for mechanism design, information design, algorithmic game theory, learning decision-makers, and decision systems.</p><div class="mt-4 flex flex-wrap gap-2"><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Mechanism design</span><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Information design</span><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Algorithmic game theory</span><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Learning decision-makers</span><span class="rounded border border-slate-200 bg-[#f9faf7] px-2.5 py-1 text-xs font-medium text-slate-600">Decision systems</span></div></article></div></div></section><section class="bg-white"><div class="mx-auto max-w-7xl px-4 py-10 sm:px-6 lg:px-8"><h2 class="text-3xl font-semibold text-ink sm:text-4xl">News</h2><div class="mt-5 border-y border-slate-200"><article class="motion-card group block w-full border-b border-slate-200 px-2 py-5 text-left transition last:border-b-0 hover:bg-[#f6fbfa] sm:grid sm:grid-cols-[8.5rem_minmax(0,1fr)] sm:gap-6 sm:px-4" style="animation-delay:0ms"><div class="flex items-center gap-2 text-sm font-semibold text-copper"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewB
11ox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-newspaper "><path d="M4 22h16a2 2 0 0 0 2-2V4a2 2 0 0 0-2-2H8a2 2 0 0 0-2 2v16a2 2 0 0 1-2 2Zm0 0a2 2 0 0 1-2-2v-9c0-1.1.9-2 2-2h2"></path><path d="M18 14h-8"></path><path d="M15 18h-5"></path><path d="M10 6h8v4h-8V6Z"></path></svg>2026-09-10</div><div class="mt-2 min-w-0 sm:mt-0"><h3 class="flex items-start gap-2 text-lg font-semibold text-ink"><span>One paper by Prof. Tao Lin accepted to WINE 2026</span></h3><p class="mt-2 text-sm leading-6 text-slate-600">Prof. Tao Linâs paper "Does AI Help or Harm? Endogenous Information Acquisition with AI Advice" has been accepted to the Conference on Web and Internet Economics (WINE 2026).</p></div></article><article class="motion-card group block w-full border-b border-slate-200 px-2 py-5 text-left transition last:border-b-0 hover:bg-[#f6fbfa] sm:grid sm:grid-cols-[8.5rem_minmax(0,1fr)] sm:gap-6 sm:px-4" style="animation-delay:70ms"><div class="flex items-center gap-2 text-sm font-semibold text-copper"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-newspaper "><path d="M4 22h16a2 2 0 0 0 2-2V4a2 2 0 0 0-2-2H8a2 2 0 0 0-2 2v16a2 2 0 0 1-2 2Zm0 0a2 2 0 0 1-2-2v-9c0-1.1.9-2 2-2h2"></path><path d="M18 14h-8"></path><path d="M15 18h-5"></path><path d="M10 6h8v4h-8V6Z"></path></svg>2026-09-10</div><div class="mt-2 min-w-0 sm:mt-0"><h3 class="flex items-start gap-2 text-lg font-semibold text-ink"><span>One paper by Prof. Jingbang Chen accepted to ICDE 2027</span></h3><p class="mt-2 text-sm leading-6 text-slate-600">Prof. Jingbang Chenâs paper "Scalable Algorithm for Dynamic Quasi-clique Detection" has been accepted to the IEEE International Conference on Data Engineering (ICDE 2027).</p></div></article><article class="motion-card group block w-full border-b border-slate-200 px-2 py-5 text-left transition last:border-b-0 hover:bg-[#f6fbfa] sm:grid sm:grid-cols-[8.5rem_minmax(0,1fr)] sm:gap-6 sm:px-4" style="animation-delay:140ms"><div class="flex items-center gap-2 text-sm font-semibold text-copper"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-newspaper "><path d="M4 22h16a2 2 0 0 0 2-2V4a2 2 0 0 0-2-2H8a2 2 0 0 0-2 2v16a2 2 0 0 1-2 2Zm0 0a2 2 0 0 1-2-2v-9c0-1.1.9-2 2-2h2"></path><path d="M18 14h-8"></path><path d="M15 18h-5"></path><path d="M10 6h8v4h-8V6Z"></path></svg>2026-09-07</div><div class="mt-2 min-w-0 sm:mt-0"><h3 class="flex items-start gap-2 text-lg font-semibold text-ink"><span>One paper by Prof. Jingbang Chen accepted to ISAAC 2026</span></h3><p class="mt-2 text-sm leading-6 text-slate-600">Prof. Jingbang Chenâs paper "Faster Distance Oracles for Dynamic Interval Graphs" has been accepted to the International Symposium on Algorithms and Computation (ISAAC 2026).</p></div></article><button type="button" aria-label="Poster & photos: SDS Topical Seminar by Prof. Yaonan Jin" class="motion-card group block w-full border-b border-slate-200 px-2 py-5 text-left transition last:border-b-0 hover:bg-[#f6fbfa] sm:grid sm:grid-cols-[8.5rem_minmax(0,1fr)] sm:gap-6 sm:px-4" style="animation-delay:210ms"><div class="flex items-center gap-2 text-sm font-semibold text-copper"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-newspaper "><path d="M4 22h16a2 2 0 0 0 2-2V4a2 2 0 0 0-2-2H8a2 2 0 0 0-2 2v16a2 2 0 0 1-2 2Zm0 0a2 2 0 0 1-2-2v-9c0-1.1.9-2 2-2h2"></path><path d="M18 14h-8"></path><path d="M15 18h-5"></path><path d="M10 6h8v4h-8V6Z"></path></svg>2026-07-31</div><div class="mt-2 min-w-0 sm:mt-0"><h3 class="flex items-start gap-2 text-lg font-semibold text-ink"><span>SDS Topical Seminar by Prof. Yaonan Jin</span><svg xmlns="http://www.w3.org/2000/svg" width="17" height="17" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-images mt-1 flex-none text-tealstone"><path d="M18 22H4a2 2 0 0 1-2-2V6"></path><path d="m22 13-1.296-1.296a2.41 2.41 0 0 0-3.408 0L11 18"></path><circle cx="12" cy="8" r="2"></circle><rect width="16" height="16" x="6" y="2" rx="2"></rect></svg></h3><p class="mt-2 text-sm leading-6 text-slate-600">Prof. Yaonan Jin from HKUST gave a topical seminar titled "Local Search for Clustering in Almost-Linear Time" on July 31, 2026, in Room 401, Dao Yuan Building.</p></div></button><article class="motion-card group block w-full border-b border-slate-200 px-2 py-5 text-left transition last:border-b-0 hover:bg-[#f6fbfa] sm:grid sm:grid-cols-[8.5rem_minmax(0,1fr)] sm:gap-6 sm:px-4" style="animation-delay:280ms"><div class="flex items-center gap-2 text-sm font-semibold text-copper"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewB
11ox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-newspaper "><path d="M4 22h16a2 2 0 0 0 2-2V4a2 2 0 0 0-2-2H8a2 2 0 0 0-2 2v16a2 2 0 0 1-2 2Zm0 0a2 2 0 0 1-2-2v-9c0-1.1.9-2 2-2h2"></path><path d="M18 14h-8"></path><path d="M15 18h-5"></path><path d="M10 6h8v4h-8V6Z"></path></svg>2026-06-26</div><div class="mt-2 min-w-0 sm:mt-0"><h3 class="flex items-start gap-2 text-lg font-semibold text-ink"><span>One paper by Prof. Jingbang Chen accepted to ESA 2026</span></h3><p class="mt-2 text-sm leading-6 text-slate-600">Prof. Jingbang Chenâs paper "Nearly Optimal Internal Dictionary Matching" has been accepted to the European Symposium on Algorithms (ESA 2026).</p></div></article><article class="motion-card group block w-full border-b border-slate-200 px-2 py-5 text-left transition last:border-b-0 hover:bg-[#f6fbfa] sm:grid sm:grid-cols-[8.5rem_minmax(0,1fr)] sm:gap-6 sm:px-4" style="animation-delay:350ms"><div class="flex items-center gap-2 text-sm font-semibold text-copper"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-newspaper "><path d="M4 22h16a2 2 0 0 0 2-2V4a2 2 0 0 0-2-2H8a2 2 0 0 0-2 2v16a2 2 0 0 1-2 2Zm0 0a2 2 0 0 1-2-2v-9c0-1.1.9-2 2-2h2"></path><path d="M18 14h-8"></path><path d="M15 18h-5"></path><path d="M10 6h8v4h-8V6Z"></path></svg>2026-06-11</div><div class="mt-2 min-w-0 sm:mt-0"><h3 class="flex items-start gap-2 text-lg font-semibold text-ink"><span>Website officially launched</span></h3><p class="mt-2 text-sm leading-6 text-slate-600">The SDS Theory Group website is now live as a public home for members, students, events, news, and contact information.</p></div></article><article class="motion-card group block w-full border-b border-slate-200 px-2 py-5 text-left transition last:border-b-0 hover:bg-[#f6fbfa] sm:grid sm:grid-cols-[8.5rem_minmax(0,1fr)] sm:gap-6 sm:px-4" style="animation-delay:420ms"><div class="flex items-center gap-2 text-sm font-semibold text-copper"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-newspaper "><path d="M4 22h16a2 2 0 0 0 2-2V4a2 2 0 0 0-2-2H8a2 2 0 0 0-2 2v16a2 2 0 0 1-2 2Zm0 0a2 2 0 0 1-2-2v-9c0-1.1.9-2 2-2h2"></path><path d="M18 14h-8"></path><path d="M15 18h-5"></path><path d="M10 6h8v4h-8V6Z"></path></svg>2026-05-19</div><div class="mt-2 min-w-0 sm:mt-0"><h3 class="flex items-start gap-2 text-lg font-semibold text-ink"><span>Three papers by Prof. Tao Lin accepted to EC 2026</span></h3><p class="mt-2 text-sm leading-6 text-slate-600">Prof. Tao Lin has three works accepted to ACM Conference on Economics and Computation (EC 2026): "Information Design with Large Language Models", "The Price and Complexity of Explainable Information Design", and "Gradient Dynamics in First-Price Auctions: Iterative Strategy Elimination via Cubic Potentials".</p></div></article><article class="motion-card group block w-full border-b border-slate-200 px-2 py-5 text-left transition last:border-b-0 hover:bg-[#f6fbfa] sm:grid sm:grid-cols-[8.5rem_minmax(0,1fr)] sm:gap-6 sm:px-4" style="animation-delay:490ms"><div class="flex items-center gap-2 text-sm font-semibold text-copper"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-newspaper "><path d="M4 22h16a2 2 0 0 0 2-2V4a2 2 0 0 0-2-2H8a2 2 0 0 0-2 2v16a2 2 0 0 1-2 2Zm0 0a2 2 0 0 1-2-2v-9c0-1.1.9-2 2-2h2"></path><path d="M18 14h-8"></path><path d="M15 18h-5"></path><path d="M10 6h8v4h-8V6Z"></path></svg>2026-05-01</div><div class="mt-2 min-w-0 sm:mt-0"><h3 class="flex items-start gap-2 text-lg font-semibold text-ink"><span>One paper by Prof. Aditi Dudeja accepted to CCC 2026</span></h3><p class="mt-2 text-sm leading-6 text-slate-600">Prof. Aditi Dudejaâs paper "Frontier Space-time Algorithms Using Only Full Memory" has been accepted to Computational Complexity Conference (CCC 2026).</p></div></article><article class="motion-card group block w-full border-b border-slate-200 px-2 py-5 text-left transition last:border-b-0 hover:bg-[#f6fbfa] sm:grid sm:grid-cols-[8.5rem_minmax(0,1fr)] sm:gap-6 sm:px-4" style="animation-delay:560ms"><div class="flex items-center gap-2 text-sm font-semibold text-copper"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewB
11ox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-newspaper "><path d="M4 22h16a2 2 0 0 0 2-2V4a2 2 0 0 0-2-2H8a2 2 0 0 0-2 2v16a2 2 0 0 1-2 2Zm0 0a2 2 0 0 1-2-2v-9c0-1.1.9-2 2-2h2"></path><path d="M18 14h-8"></path><path d="M15 18h-5"></path><path d="M10 6h8v4h-8V6Z"></path></svg>2026-04-29</div><div class="mt-2 min-w-0 sm:mt-0"><h3 class="flex items-start gap-2 text-lg font-semibold text-ink"><span>One paper by Prof. Aditi Dudeja accepted to PODC 2026</span></h3><p class="mt-2 text-sm leading-6 text-slate-600">Prof. Aditi Dudejaâs paper "Distributed Stochastic Graph Algorithms" has been accepted to ACM Symposium on Principles of Distributed Computing (PODC 2026).</p></div></article></div></div></section><section class="bg-[#f6fbfa]"><div class="mx-auto max-w-7xl px-4 py-10 sm:px-6 lg:px-8"><h2 class="text-3xl font-semibold text-ink sm:text-4xl">Academic Activities</h2><div class="mt-5 grid gap-4 md:grid-cols-2"><div class="motion-card" style="animation-delay:0ms"><article class="rounded border border-slate-200 bg-white p-5 shadow-sm transition duration-300 hover:-translate-y-1 hover:border-copper/60 hover:shadow-xl"><div class="flex flex-wrap items-center gap-2"><span class="rounded bg-copper/10 px-2.5 py-1 text-xs font-semibold text-copper">SDS Topical Seminar</span><span class="rounded bg-tealstone/10 px-2.5 py-1 text-xs font-semibold text-tealstone">Completed</span><span class="inline-flex items-center gap-1 rounded bg-slate-100 px-2.5 py-1 text-xs font-semibold text-slate-600"><svg xmlns="http://www.w3.org/2000/svg" width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-images "><path d="M18 22H4a2 2 0 0 1-2-2V6"></path><path d="m22 13-1.296-1.296a2.41 2.41 0 0 0-3.408 0L11 18"></path><circle cx="12" cy="8" r="2"></circle><rect width="16" height="16" x="6" y="2" rx="2"></rect></svg>2 photos</span></div><h3 class="mt-4 text-xl font-semibold text-ink">Local Search for Clustering in Almost-Linear Time</h3><div class="mt-4 grid gap-2 text-sm text-slate-600"><span class="flex items-start gap-2"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-clock mt-0.5 shrink-0 text-tealstone"><circle cx="12" cy="12" r="10"></circle><polyline points="12 6 12 12 16 14"></polyline></svg>Fri, Jul 31, 2026, 11:00 AM-12:00 PM</span><span class="flex items-start gap-2"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-user-round mt-0.5 shrink-0 text-tealstone"><circle cx="12" cy="8" r="5"></circle><path d="M20 21a8 8 0 0 0-16 0"></path></svg><a href="https://yj10027.github.io/" target="_blank" rel="noreferrer" class="inline-flex items-center gap-1 font-medium text-ink underline decoration-slate-300 underline-offset-4 transition hover:text-tealstone">Prof. Yaonan Jin<svg xmlns="http://www.w3.org/2000/svg" width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-external-link "><path d="M15 3h6v6"></path><path d="M10 14 21 3"></path><path d="M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6"></path></svg></a>, Hong Kong University of Science and Technology</span><span class="flex items-start gap-2"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-map-pin mt-0.5 shrink-0 text-tealstone"><path d="M20 10c0 6-8 12-8 12s-8-6-8-12a8 8 0 0 1 16 0Z"></path><circle cx="12" cy="10" r="3"></circle></svg>Room 401, Dao Yuan Building</span><span class="flex items-start gap-2"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewB
11ox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-user-round mt-0.5 shrink-0 text-tealstone"><circle cx="12" cy="8" r="5"></circle><path d="M20 21a8 8 0 0 0-16 0"></path></svg>Host<!-- -->: <!-- -->Prof. Tao Lin</span></div><div class="mt-5 flex flex-wrap gap-2"><button type="button" class="inline-flex items-center gap-1.5 rounded border border-slate-200 px-3 py-2 text-xs font-semibold text-ink transition hover:border-copper hover:text-copper"><svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-images "><path d="M18 22H4a2 2 0 0 1-2-2V6"></path><path d="m22 13-1.296-1.296a2.41 2.41 0 0 0-3.408 0L11 18"></path><circle cx="12" cy="8" r="2"></circle><rect width="16" height="16" x="6" y="2" rx="2"></rect></svg>Poster & photos</button><a href="https://calendar.google.com/calendar/render?action=TEMPLATE&text=Local+Search+for+Clustering+in+Almost-Linear+Time&dates=20260731T030000Z%2F20260731T040000Z&details=This+talk+presents+the+first+local+search+algorithm+for+Euclidean+clustering+that+achieves+an+O%281%29-approximation+in+almost-linear+time.+It+develops+a+new+one-swap+local+search+framework+and+an+efficient+approximate+nearest-neighbor+data+structure%2C+with+applications+to+k-means+and+other+metric+clustering+settings.&location=Room+401%2C+Dao+Yuan+Building" target="_blank" rel="noreferrer" class="inline-flex items-center gap-1.5 rounded bg-ink px-3 py-2 text-xs font-semibold text-white transition hover:bg-tealstone"><svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-calendar-plus "><path d="M8 2v4"></path><path d="M16 2v4"></path><path d="M21 13V6a2 2 0 0 0-2-2H5a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h8"></path><path d="M3 10h18"></path><path d="M16 19h6"></path><path d="M19 16v6"></path></svg>Google Calendar</a><a href="data:text/calendar;charset=utf8,BEGIN%3AVCALENDAR%0D%0AVERSION%3A2.0%0D%0APRODID%3A-%2F%2FSDS%20Theory%20Group%2F%2FEvents%2F%2FEN%0D%0ABEGIN%3AVEVENT%0D%0AUID%3A2026-07-31-yaonan-jin-local-search-clustering%40sds-theory%0D%0ADTSTAMP%3A20260731T030000Z%0D%0ADTSTART%3A20260731T030000Z%0D%0ADTEND%3A20260731T040000Z%0D%0ASUMMARY%3ALocal%20Search%20for%20Clustering%20in%20Almost-Linear%20Time%0D%0ALOCATION%3ARoom%20401%2C%20Dao%20Yuan%20Building%0D%0ADESCRIPTION%3AThis%20talk%20presents%20the%20first%20local%20search%20algorithm%20for%20Euclidean%20clustering%20that%20achieves%20an%20O(1)-approximation%20in%20almost-linear%20time.%20It%20develops%20a%20new%20one-swap%20local%20search%20framework%20and%20an%20efficient%20approximate%20nearest-neighbor%20data%20structure%2C%20with%20applications%20to%20k-means%20and%20
11other%20metric%20clustering%20settings.%0D%0AEND%3AVEVENT%0D%0AEND%3AVCALENDAR" download="2026-07-31-yaonan-jin-local-search-clustering.ics" class="inline-flex items-center gap-1.5 rounded border border-slate-200 px-3 py-2 text-xs font-semibold text-ink transition hover:border-tealstone hover:text-tealstone"><svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-download "><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"></path><polyline points="7 10 12 15 17 10"></polyline><line x1="12" x2="12" y1="15" y2="3"></line></svg>Download .ics</a></div></article></div></div><div class="mt-6 grid gap-4 md:grid-cols-2 lg:grid-cols-3"><article class="motion-card lift-card rounded border border-slate-200 bg-white p-4 shadow-sm" style="animation-delay:0ms"><div class="flex items-start gap-3"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-calendar-days mt-1 flex-none text-tealstone"><path d="M8 2v4"></path><path d="M16 2v4"></path><rect width="18" height="18" x="3" y="4" rx="2"></rect><path d="M3 10h18"></path><path d="M8 14h.01"></path><path d="M12 14h.01"></path><path d="M16 14h.01"></path><path d="M8 18h.01"></path><path d="M12 18h.01"></path><path d="M16 18h.01"></path></svg><div><h3 class="text-base font-semibold text-ink">SDS Theory Seminar</h3><p class="mt-2 text-sm leading-6 text-slate-600">The SDS Theory Seminar hosts research talks and discussions in algorithms and the theoretical foundations of data science.</p></div></div></article><article class="motion-card lift-card rounded border border-slate-200 bg-white p-4 shadow-sm" style="animation-delay:70ms"><div class="flex items-start gap-3"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-calendar-days mt-1 flex-none text-tealstone"><path d="M8 2v4"></path><path d="M16 2v4"></path><rect width="18" height="18" x="3" y="4" rx="2"></rect><path d="M3 10h18"></path><path d="M8 14h.01"></path><path d="M12 14h.01"></path><path d="M16 14h.01"></path><path d="M8 18h.01"></path><path d="M12 18h.01"></path><path d="M16 18h.01"></path></svg><div><h3 class="text-base font-semibold text-ink">Theory Reading Group</h3><p class="mt-2 text-sm leading-6 text-slate-600">Reading groups will support shared learning across algorithms, optimization, economics, and data science foundations.</p></div></div></article><article class="motion-card lift-card rounded border border-slate-200 bg-white p-4 shadow-sm" style="animation-delay:140ms"><div class="flex items-start gap-3"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-calendar-days mt-1 flex-none text-tealstone"><path d="M8 2v4"></path><path d="M16 2v4"></path><rect width="18" height="18" x="3" y="4" rx="2"></rect><path d="M3 10h18"></path><path d="M8 14h.01"></path><path d="M12 14h.01"></path><path d="M16 14h.01"></path><path d="M8 18h.01"></path><path d="M12 18h.01"></path><path d="M16 18h.01"></path></svg><div><h3 class="text-base font-semibold text-ink">Student Research Meeting</h3><p class="mt-2 text-sm leading-6 text-slate-600">Student meetings will provide a regular space for research updates, feedback, and early-stage ideas.</p></div></div></article><article class="motion-card lift-card rounded border border-slate-200 bg-white p-4 shadow-sm" style="animation-delay:210ms"><div class="flex items-start gap-3"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-calendar-days mt-1 flex-none text-tealstone"><path d="M8 2v4"></path><path d="M16 2v4"></path><rect width="18" height="18" x="3" y="4" rx="2"></rect><path d="M3 10h18"></path><path d="M8 14h.01"></path><path d="M12 14h.01"></path><path d="M16 14h.01"></path><path d="M8 18h.01"></path><path d="M12 18h.01"></path><path d="M16 18h.01"></path></svg><div><h3 class="text-base font-semibold text-ink">Visitor Talks</h3><p class="mt-2 text-sm leading-6 text-slate-600">The group welcomes short visits and informal research discussions with external scholars.</p></div></div></article><article class="motion-card lift-card rounded border border-slate-200 bg-white p-4 shadow-sm" style="animation-delay:280ms"><div class="flex items-start gap-3"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-calendar-days mt-1 flex-none text-tealstone"><path d="M8 2v4"></path><path d="M16 2v4"></path><rect width="18" height="18" x="3" y="4" rx="2"></rect><path d="M3 10h18"></path><path d="M8 14h.01"></path><path d="M12 14h.01"></path><path d="M16 14h.01"></path><path d="M8 18h.01"></path><path d="M12 18h.01"></path><path d="M16 18h.01"></path></svg><div><h3 class="text-base font-semibold text-ink">Informal Problem Sessions</h3><p class="mt-2 text-sm leading-6 text-slate-600">Informal sessions will help students and faculty explore early-stage questions before they become polished projects.</p></div></div></article><article class="motion-card lift-card rounded border border-slate-200 bg-white p-4 shadow-sm" style="animation-delay:350ms"><div class="flex items-start gap-3"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-calendar-days mt-1 flex-none text-tealstone"><path d="M8 2v4"></path><path d="M16 2v4"></path><rect width="18" height="18" x="3" y="4" rx="2"></rect><path d="M3 10h18"></path><path d="M8 14h.01"></path><path d="M12 14h.01"></path><path d="M16 14h.01"></path><path d="M8 18h.01"></path><path d="M12 18h.01"></path><path d="M16 18h.01"></path></svg><div><h3 class="text-base font-semibold text-ink">Cross-Area Collaborations</h3><p class="mt-2 text-sm leading-6 text-slate-600">Cross-area collaborations connect theory with data science, operations research, statistics, learning, and decision systems.</p></div></div></article></div></div></section></main></div><footer class="border-t border-slate-200 bg-white py-8"><div class="mx-auto max-w-7xl px-4 text-center text-sm text-slate-500 sm:px-6 lg:px-8"><p>2026 - Now, all rights reserved to SDS Theory Group.</p></div></footer></div></div> 12 </body> 13</html>
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