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We study the state complexity of binary operations on regular languages over different alphabets. It is known that if $L'_m$ and $L_n$ are languages of state complexities $m$ and $n$, respectively, and restricted to the same alphabet, the…

形式语言与自动机理论 · 计算机科学 2017-12-22 Janusz Brzozowski , Corwin Sinnamon

A large family of words must contain two words that are similar. We investigate several problems where the measure of similarity is the length of a common subsequence. We construct a family of n^{1/3} permutations on n letters, such that…

组合数学 · 数学 2015-03-03 Boris Bukh , Lidong Zhou

Large Language Models~(LLMs) struggle with providing current information due to the outdated pre-training data. Existing methods for updating LLMs, such as knowledge editing and continual fine-tuning, have significant drawbacks in…

计算与语言 · 计算机科学 2024-02-12 Pengfei Yu , Heng Ji

Communication complexity is a fundamental aspect of information science, concerned with the amount of communication required to solve a problem distributed among multiple parties. The standard quantification of one-way communication…

量子物理 · 物理学 2024-12-25 Satyaki Manna , Anubhav Chaturvedi , Debashis Saha

We study quasi-Newton methods from the viewpoint of information geometry induced associated with Bregman divergences. Fletcher has studied a variational problem which derives the approximate Hessian update formula of the quasi-Newton…

统计计算 · 统计学 2010-10-15 Takafumi Kanamori , Atsumi Ohara

The use of high-dimensional features has become a normal practice in many computer vision applications. The large dimension of these features is a limiting factor upon the number of data points which may be effectively stored and processed,…

计算机视觉与模式识别 · 计算机科学 2015-06-18 Sakrapee Paisitkriangkrai , Chunhua Shen , Anton van den Hengel

Although the confusion of individual phonemes and features have been studied and analyzed since (Miller and Nicely, 1955), there has been little work done on extending this to a predictive theory of word-level confusions. The PGPfone…

cmp-lg · 计算机科学 2008-02-03 Patrick Juola

This article shows that any type of binary data can be defined as a collection from codewords of variable length. This feature helps us to define an Injective and surjective function from the suggested codewords to the required codewords.…

Quantum information processing is limited, in practice, to efficiently implementable operations. This motivates the study of quantum divergences that preserve their operational meaning while faithfully capturing these computational…

量子物理 · 物理学 2025-09-26 Álvaro Yángüez , Thomas A. Hahn , Jan Kochanowski

We consider polar codes for memoryless sources with side information and show that the blocklength, construction, encoding and decoding complexities are bounded by a polynomial of the reciprocal of the gap between the compression rate and…

信息论 · 计算机科学 2015-12-01 Jingbo Liu , Emmanuel Abbe

Evaluating large language models (LLMs) for tasks like fact extraction in support of knowledge graph construction frequently involves computing accuracy metrics using a ground truth benchmark based on a knowledge graph (KG). These…

计算与语言 · 计算机科学 2025-02-06 Bradley P. Allen , Paul T. Groth

The aim of this paper is to provide an overview of recent development related to Bregman distances outside its native areas of optimization and statistics. We discuss approaches in inverse problems and image processing based on Bregman…

最优化与控制 · 数学 2015-05-21 Martin Burger

The goal of this paper is to further develop an approach to inverse problems with imperfect forward operators that is based on partially ordered spaces. Studying the dual problem yields useful insights into the convergence of the…

数值分析 · 数学 2019-01-30 Martin Burger , Yury Korolev , Julian Rasch

There are three classical divergence measures known in the literature on information theory and statistics. These are namely, Jeffryes-Kullback-Leiber \cite{jef} \cite{kul} \textit{J-divergence}. Sibson-Burbea-Rao \cite{sib} \cite{bur1,…

统计理论 · 数学 2007-06-13 Inder Jeet Taneja

We present algorithms that create coresets in an online setting for clustering problems according to a wide subset of Bregman divergences. Notably, our coresets have a small additive error, similar in magnitude to the lightweight coresets…

数据结构与算法 · 计算机科学 2020-12-14 Rachit Chhaya , Jayesh Choudhari , Anirban Dasgupta , Supratim Shit

We generalize the family of $\alpha$-divergences using a pair of strictly comparable weighted means. In particular, we obtain the $1$-divergence in the limit case $\alpha\rightarrow 1$ (a generalization of the Kullback-Leibler divergence)…

信息论 · 计算机科学 2022-11-23 Frank Nielsen

In the past few years powerful generalizations to the Euclidean k-means problem have been made, such as Bregman clustering [7], co-clustering (i.e., simultaneous clustering of rows and columns of an input matrix) [9,18], and tensor…

数据结构与算法 · 计算机科学 2009-11-09 Stefanie Jegelka , Suvrit Sra , Arindam Banerjee

Are large language models (LLMs) sensitive to the distinction between humanly possible and impossible languages? This question was recently used in a broader debate on whether LLMs and humans share the same innate learning biases. Previous…

计算与语言 · 计算机科学 2026-04-01 Imry Ziv , Nur Lan , Emmanuel Chemla

Large Language Models (LLMs) have shown remarkable success on a wide range of math and reasoning benchmarks. However, we observe that they often struggle when faced with unreasonable math problems. Instead of recognizing these issues,…

计算与语言 · 计算机科学 2025-06-03 Jingyuan Ma , Damai Dai , Zihang Yuan , Rui li , Weilin Luo , Bin Wang , Qun Liu , Lei Sha , Zhifang Sui

Emerging applications of sensor networks for detection sometimes suggest that classical problems ought be revisited under new assumptions. This is the case of binary hypothesis testing with independent - but not necessarily identically…

信息论 · 计算机科学 2019-03-27 Stefano Marano , Peter Willett