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🔍 david eppstein 📂 Computer Science 📄 Preprint
Showing 254 results for "david eppstein" in Computer Science · Preprint
Computer Science Preprint PDF DOI

Analysis of AWW (Anganwadi Workers) Training Content, ILA (Incremental Learning Approach) Modules Following CDT (Component Display Theory)

Arka Majhi, Satish B. Agnihotri · 2026

POSHAN Abhiyan envisages capacity building of AWWs or frontline health workers through 21 training modules of ILA (Incremental Learning Approach), modularising the net learning content into smaller le…

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Computer Science Preprint PDF DOI

AVID: A Benchmark for Omni-Modal Audio-Visual Inconsistency Understanding via Agent-Driven Construction

Zixuan Chen, Depeng Wang, Hao Lin, Li Luo, Ke Xu, Ya Guo, Huijia Zhu, Tanfeng Sun, Xinghao Jiang · 2026

We present AVID, the first large-scale benchmark for audio-visual inconsistency understanding in videos. While omni-modal large language models excel at temporally aligned tasks such as captioning and…

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Computer Science Preprint PDF DOI

A Non-Probabilistic Game-Theoretic Information Theory Which Subsumes Probabilistic Channel Coding

Cheuk Ting Li · 2026

Probabilistic settings (e.g., vanishing-error channel coding) and non-probabilistic settings (e.g., zero-error channel coding and adversarial channels) were considered two related but different branch…

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Computer Science Preprint PDF DOI

The Theorems of Dr. David Blackwell and Their Contributions to Artificial Intelligence

Napoleon Paxton · 2026

Dr. David Blackwell was a mathematician and statistician of the first rank, whose contributions to statistical theory, game theory, and decision theory predated many of the algorithmic breakthroughs t…

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Computer Science Preprint PDF DOI

Single-Criteria Metric $r$-Dominating Set Problem via Minor-Preserving Support

Reilly Browne, Hsien-Chih Chang · 2026

Given an unweighted graph $G$, the *minimum $r$-dominating set problem* asks for the smallest-cardinality subset $S$ such that every vertex in $G$ is within radius $r$ of some vertex in $S$. While t…

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Computer Science Preprint PDF DOI

TENSURE: Fuzzing Sparse Tensor Compilers (Registered Report)

Kabilan Mahathevan, Yining Zhang, Muhammad Ali Gulzar, Kirshanthan Sundararajah · 2026

Sparse Tensor Compilers (STCs) have emerged as critical infrastructure for optimizing high-dimensional data analytics and machine learning workloads. The STCs must synthesize complex, irregular contro…

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Computer Science Preprint PDF DOI

LLY Ricci Reweighting in Stochastic Block Models: Uniform Curvature Concentration and Finite-Horizon Tracking

Varun Kotharkar · 2026

We study curvature-driven edge reweighting for community recovery in the balanced two-block stochastic block model. Given a graph G with initial weights equal to the adjacency matrix, we iteratively u…

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Computer Science Preprint PDF DOI

Teen Vigilance: Navigating Risky Social Interactions on Discord

Elena Koung, Yunhan Liu, Zinan Zhang, Xinning Gui, Yubo Kou · 2026

Teenagers are avid users of Discord, a fast growing platform for synchronous communication where they often interact with strangers. Because Discord combines private DMs, semi-private voice channels, …

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Computer Science Preprint PDF DOI

The Parameterized Complexity of Geometric 1-Planarity

Alexander Firbas · 2026

A graph is geometric 1-planar if it admits a straight-line drawing where each edge is crossed at most once. We provide the first systematic study of the parameterized complexity of recognizing geometr…

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Computer Science Preprint PDF DOI

HypRAG: Hyperbolic Dense Retrieval for Retrieval Augmented Generation

Hiren Madhu, Ngoc Bui, Ali Maatouk, Leandros Tassiulas, Smita Krishnaswamy, Menglin Yang, Sukanta Ganguly, Kiran Srinivasan, Rex Ying · 2026

Embedding geometry plays a fundamental role in retrieval quality, yet dense retrievers for retrieval-augmented generation (RAG) remain largely confined to Euclidean space. However, natural language ex…

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Computer Science Preprint PDF DOI

Remarks on Algebraic Reconstruction of Types and Effects

Patrycja Balik, Szymon Jedras, Piotr Polesiuk · 2026

In their 1991 paper "Algebraic Reconstruction of Types and Effects," Pierre Jouvelot and David Gifford presented a type-and-effect reconstruction algorithm based on an algebraic structure of effects. …

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Computer Science Preprint PDF DOI

Approximation Schemes for Sequential Hiring Problems

Danny Segev, Uri Stein · 2026

The main contribution of this paper resides in providing novel algorithmic advances and analytical insights for the sequential hiring problem, a recently introduced dynamic optimization model where a …

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Computer Science Preprint PDF DOI

A Platform for Interactive AI Character Experiences

Rafael Wampfler, Chen Yang, Dillon Elste, Nikola Kovacevic, Philine Witzig, Markus Gross · 2026

From movie characters to modern science fiction - bringing characters into interactive, story-driven conversations has captured imaginations across generations. Achieving this vision is highly challen…

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Computer Science Preprint PDF DOI

Effects of Algorithmic Visibility on Conspiracy Communities: Reddit after Epstein's 'Suicide'

Asja Attanasio, Francesco Corso, Gianmarco De Francisci Morales, Francesco Pierri · 2025

Following the death of Jeffrey Epstein, the subreddit r/conspiracy experienced a significant visibility shock that brought mainstream users into direct contact with established conspiracy narratives. …

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Computer Science Preprint PDF DOI

Tight Universal Bounds for Partially Presorted Pareto Front and Convex Hull

Ivor van der Hoog, Eva Rotenberg, Daniel Rutschmann · 2025

TimSort is a well-established sorting algorithm whose running time depends on how sorted the input already is. Recently, Eppstein, Goodrich, Illickan, and To designed algorithms inspired by TimSort fo…

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Computer Science Preprint PDF DOI

Counting large patterns in degenerate graphs

Christine Awofeso, Patrick Greaves, Oded Lachish, Felix Reidl · 2025

The problem of subgraph counting asks for the number of occurrences of a pattern graph $H$ as a subgraph of a host graph $G$ and is known to be computationally challenging: it is $\#W[1]$-hard even wh…

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Computer Science Preprint PDF DOI

Polynomial-Time Algorithms for Computing the Nucleolus: An Assessment

Holger I. Meinhardt · 2025

Recently, Maggiorano et al. (2025) claimed that they have developed a strongly polynomial-time combinatorial algorithm for the nucleolus in convex games that is based on the reduced game approach and …

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Computer Science Preprint PDF DOI

The Future of Food: How Artificial Intelligence is Transforming Food Manufacturing

Xu Zhou, Ivor Prado, AIFPDS participants, Ilias Tagkopoulos · 2025

Artificial intelligence is accelerating a new era of food innovation, connecting data from farm to consumer to improve formulation, processing, and health outcomes. Recent advances in deep learning, n…

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Computer Science Preprint PDF DOI

A Quasi-Polynomial Time Algorithm for 3-Coloring Circle Graphs

Ajaykrishnan E S, Robert Ganian, Daniel Lokshtanov, Vaishali Surianarayanan · 2025

A graph $G$ is a circle graph if it is an intersection graph of chords of a unit circle. We give an algorithm that takes as input an $n$ vertex circle graph $G$, runs in time at most $n^{O(\log n)}$ a…

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Computer Science Preprint PDF DOI

Online 3-Taxi on General Metrics

Christian Coester, Tze-Yang Poon · 2025

The online $k$-taxi problem, introduced in 1990 by Fiat, Rabani and Ravid, is a generalization of the $k$-server problem where $k$ taxis must serve a sequence of requests in a metric space. Each reque…

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