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๐Ÿ” ge wang ๐Ÿ“‚ Computer Science
Showing 4275 results for "ge wang" in Computer Science
Computer Science Preprint PDF DOI

FlashRT: Towards Computationally and Memory Efficient Red-Teaming for Prompt Injection and Knowledge Corruption

Yanting Wang, Chenlong Yin, Ying Chen, Jinyuan Jia ยท 2026

Long-context large language models (LLMs)-for example, Gemini-3.1-Pro and Qwen-3.5-are widely used to empower many real-world applications, such as retrieval-augmented generation, autonomous agents, aโ€ฆ

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Why Self-Supervised Encoders Want to Be Normal

Yuval Domb ยท 2026

We develop a geometric and information-theoretic framework for encoder-decoder learning built on the Information Bottleneck (IB) principle. Recasting IB as a rate-distortion problem with Kullback-Leibโ€ฆ

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The Nesting Bird Box Problem is ER-complete: Sharp Hardness Results for the Hidden Set Problem

Lucas Meijer, Till Miltzow, Johanna Ockenfels, Milos Stojakovic ยท 2026

In the (Nesting) Bird Box Problem we are given a polygonal domain P and a number k and we want to know if there is a set B of k points inside P such that no two points in B can see each other. The undโ€ฆ

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On (In)approximability of MaxMin Independent Set Reconfiguration

Hung P. Hoang, Naoto Ohsaka, Rin Saito, Yuma Tamura ยท 2026

In the Independent Set Reconfiguration problem under the Token Addition/Removal rule, given a graph $G$ and two independent sets $I$ and $J$ of $G$, we want to transform $I$ into $J$ by adding and remโ€ฆ

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Path-Reporting Distance Oracles for Vertex-Labeled Graphs

Ofer Neiman, Alon Spector ยท 2026

Let $G=(V,E)$ be a weighted undirected graph, with $n$ vertices. A distance oracle is a data structure that can quickly answer distance queries, with some stretch factor. A seminal work of \cite{TZ01}โ€ฆ

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Secure Conformance Checking using Token-based Replay and Homomorphic Encryption

Luis-Armando Rodriguez-Flores, Luciano Garcia-Banuelos, Abel Armas-Cervantes, Astrid-Monserrat Rivera-Partida ยท 2026

Conformance checking, one of the main process mining operations, aims to identify discrepancies between a process model and an event log. The model represents the expected behaviour, whereas the eventโ€ฆ

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A more versatile model for enumerative kernelization: a case study for Vertex Cover

Marin Bougeret, Guilherme C. M. Gomes, Ignasi Sau ยท 2026

Enumerative kernelization is a recent promising at the intersection of parameterized complexity and enumeration algorithms, with two proposed models. The first, known as enum-kernels and due to Creignโ€ฆ

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Recursive Structure of Hulls of PRM Codes

Yufeng Song, Qin Yue ยท 2026

For a nonnegative integer $r$ and a positive integer $v$ satisfying \[ \frac{r(q-1)}{2}<v<\frac{(r+1)(q-1)}{2}, \] we define the combinatorial numbers \[ A_r(v)= \begin{cases} \displayโ€ฆ

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Interconnecting Regional QKD Networks: Hybrid Key Delivery Across Quantum Domains

David Barral, Aitor Brazaola-Vicario, Diego Cifrian, Natalia Costas, Gonzalo Blazquez, Ana Fernandez-Vilas, Iago F. Llovo, Pedro Otero-Garcia, Pablo P. Rejo, Alejandra Ruiz, Juan Villasuso, Manuel Fernandez-Veiga ยท 2026

QKD technology is being increasingly adopted inside the network core for protecting information transport against any form of computational attacks. However, the use of QKD for wide-area internetworkiโ€ฆ

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Maximum Solow--Polasky Diversity Subset Selection Is NP-hard Even in the Euclidean Plane

Michael T. M. Emmerich, Ksenia Pereverdieva, Andre H. Deutz ยท 2026

We prove that, for every fixed $\theta_0>0$, selecting a subset of prescribed cardinality that maximizes the Solow--Polasky diversity indicator is NP-hard for finite point sets in $\mathbb{R}^2$ with โ€ฆ

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Compositional security definitions for higher-order where declassification

Jan Menz, Andrew K. Hirsch, Peixuan Li, Deepak Garg ยท 2026

To ensure programs do not leak private data, we often want to be able to provide formal guarantees ensuring such data is handled correctly. Often, we cannot keep such data secret entirely; instead proโ€ฆ

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A Counterexample to EFX; $n \ge 3$ Agents, $m \ge n + 5$ Items, Monotone Valuations; via SAT-Solving

Hannaneh Akrami, Alexander Mayorov, Kurt Mehlhorn, Shreyas Srinivas, Christoph Weidenbach ยท 2026

SAT solving has recently been proven effective in tackling open combinatorial problems. We contribute two additional results in the context of fair distribution of indivisible goods. Specifically,โ€ฆ

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User Experiences with MPI RMA and ULFM in a Resilient Key-Value Store Implementation

Claudia Fohry, Rainer Fink ยท 2026

As hardware failures such as node losses become increasingly common, MPI programmers may want to save vulnerable data in a resilient store. While third-party storage solutions such as Redis or the Hazโ€ฆ

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The dimensions of Schur squares of HRS codes

Haojie Gu, Zhihao Zhu, Jun Zhang ยท 2026

The Schur square of linear codes over a finite field has emerged as a fundamental operation in both classical and quantum coding theory. In this paper, we investigate the Schur square problem of Hyperโ€ฆ

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Optimal Phylogenetic Reconstruction from Sampled Quartets

Dionysis Arvanitakis, Vaggos Chatziafratis, Yiyuan Luo, Konstantin Makarychev ยท 2026

Quartet Reconstruction, the task of recovering a phylogenetic tree from smaller trees on four species called \textit{quartets}, is a well-studied problem in theoretical computer science with far-reachโ€ฆ

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About Optimal Prefix Codes over Countably Infinite Alphabets: Probabilistic Intervals for the Codeword Lengths Assignment

Hongyang Liu, Wei Yan ยท 2026

For the discrete memoryless sources with a countably infinite alphabet, we prove that for any positive integer $k$, there exists a corresponding probability interval such that if the largest symbol prโ€ฆ

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Module Lattice Security (Part I): Unconditional Verification of Weber's Conjecture for $k \le 12$

Ming-Xing Luo ยท 2026

Weber's conjecture (1886) governs three aspects of lattice-based cryptography: the solvability of the Principal Ideal Problem, the freeness of modules over rings of integers, and the tightness of worsโ€ฆ

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Efficient Fuzzy Private Set Intersection from Secret-shared OPRF

Xinpeng Yang, Meng Hao, Chenkai Weng, Robert H. Deng, Yonggang Wen, Tianwei Zhang ยท 2026

Private set intersection (PSI) enables a sender holding a set $Q$ of size $m$ and a receiver holding a set $W$ of size $n$ to securely compute the intersection $Q \cap W$. Fuzzy PSI (FPSI) is a PSI vaโ€ฆ

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"I Just Don't Want My Work Being Fed Into The AI Blender": Queer Artists on Refusing and Resisting Generative AI

Jordan Taylor, Joel Mire, Alicia DeVrio, Maarten Sap, Haiyi Zhu, Sarah E. Fox ยท 2026

Art-making is a collective social activity through which queer people engage in political resistance, develop identities, archive queer memory, and form community. However, in recent years, generativeโ€ฆ

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Parallel Algorithms for Group Isomorphism via Code Equivalence

Michael Levet ยท 2026

In this paper, we exhibit $\textsf{AC}^{3}$ isomorphism tests for coprime extensions $H \ltimes N$ where $H$ is elementary Abelian and $N$ is Abelian; and groups where $\text{Rad}(G) = Z(G)$ is elemenโ€ฆ

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