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Dependency trees have proven to be a very successful model to represent the syntactic structure of sentences of human languages. In these structures, vertices are words and edges connect syntactically-dependent words. The tendency of these…

计算与语言 · 计算机科学 2024-03-05 Lluís Alemany-Puig , Ramon Ferrer-i-Cancho

Naturally-occurring bracketings, such as answer fragments to natural language questions and hyperlinks on webpages, can reflect human syntactic intuition regarding phrasal boundaries. Their availability and approximate correspondence to…

计算与语言 · 计算机科学 2021-04-30 Tianze Shi , Ozan İrsoy , Igor Malioutov , Lillian Lee

People choose friendships with people similar to themselves, i.e. they sort by resemblence. Economic studies have shown when sorting is optimal and constitute an equilibrium, however, this presumes lack of beneficial spillovers. We…

经济学 · 定量金融 2017-08-17 Andreas Bjerre-Nielsen

The validity of the fluctuation theorem for entropy production as deduced from the observation of trajectories implicitly requires that all slow degrees of freedom are accessible. We experimentally investigate the role of hidden slow…

软凝聚态物质 · 物理学 2012-06-11 Jakob Mehl , Boris Lander , Clemens Bechinger , Valentin Blickle , Udo Seifert

We introduce a class of first-order methods for smooth constrained optimization that are based on an analogy to non-smooth dynamical systems. Two distinctive features of our approach are that (i) projections or optimizations over the entire…

最优化与控制 · 数学 2025-04-15 Michael Muehlebach , Michael I. Jordan

The density of a rational language can be understood as the frequency of some "pattern" in the shift space, for example a pattern like "words with an even number of a given letter." We study the density of group languages, i.e. rational…

An agent choosing between various actions tends to take the one with the lowest cost. But this choice is arguably too rigid (not adaptive) to be useful in complex situations, e.g., where exploration-exploitation trade-off is relevant in…

数据分析、统计与概率 · 物理学 2018-12-04 Armen E. Allahverdyan , Aram Galstyan , Ali E. Abbas , Zbigniew R. Struzik

The principle of maximum entropy provides a useful method for inferring statistical mechanics models from observations in correlated systems, and is widely used in a variety of fields where accurate data are available. While the assumptions…

神经元与认知 · 定量生物学 2017-06-02 Ulisse Ferrari , Tomoyuki Obuchi , Thierry Mora

Objective: To characterize the irregularity of the spectrum of a signal, spectral entropy is a widely adopted measure. However, such a metric is invariant under any permutation of the estimations of the powers of individual frequency…

信号处理 · 电气工程与系统科学 2019-05-28 Zhenning Mei , Xilin Yu , Chen Chen , Wei Chen

We study transport of interacting particles in weakly disordered media. Our one-dimensional system includes (i) disorder: the hopping rate governing the movement of a particle between two neighboring lattice sites is inhomogeneous, and (ii)…

统计力学 · 物理学 2009-05-13 E. Ben-Naim , P. L. Krapivsky

We investigate the problem of minimizing the entropy production for a physical process that can be described in terms of a Markov jump dynamics. We show that, without any further constraints, a given time-evolution may be realized at…

统计力学 · 物理学 2022-02-16 Andreas Dechant

Interchange theorems between minimization and integration are useful in optimization, especially in optimal control and in stochastic optimization. In this article, we establish a generalized minimization interchange theorem, where…

最优化与控制 · 数学 2021-07-14 Jean-Philippe Chancelier , Michel de Lara , Benoît Tran

The complexity of a system description is a function of the entropy of its symbolic description. Prior to computing the entropy of the system description, an observation scale has to be assumed. In natural language texts, typical scales are…

信息论 · 计算机科学 2015-03-31 Gerardo Febres , Klaus Jaffe

Recent studies have shown that language models pretrained and/or fine-tuned on randomly permuted sentences exhibit competitive performance on GLUE, putting into question the importance of word order information. Somewhat…

计算与语言 · 计算机科学 2022-03-22 Vinit Ravishankar , Mostafa Abdou , Artur Kulmizev , Anders Søgaard

The dominating set problem has many practical applications but is well-known to be NP-hard. Therefore, there is a need for efficient approximation algorithms, especially in applications such as ad hoc wireless networks. Most distributed…

物理与社会 · 物理学 2023-05-16 Hunter Rehm , Robert Kassouf-Short , Puck Rombach

Self-organization is frequently observed in active collectives, from ant rafts to molecular motor assemblies. General principles describing self-organization away from equilibrium have been challenging to identify. We offer a unifying…

Given a set of strings over a specified alphabet, identifying a median or consensus string that minimizes the total distance to all input strings is a fundamental data aggregation problem. When the Hamming distance is considered as the…

数据结构与算法 · 计算机科学 2026-02-11 Diptarka Chakraborty , Rudrayan Kundu , Nidhi Purohit , Aravinda Kanchana Ruwanpathirana

In proving large deviation estimates, the lower bound for open sets and upper bound for compact sets are essentially local estimates. On the other hand, the upper bound for closed sets is global and compactness of space or an exponential…

概率论 · 数学 2015-10-20 Chiranjib Mukherjee , S. R. S. Varadhan

We describe a retrospective study of the responses to the Brief Electricity and Magnetism Assessment (BEMA) collected from a large population of 3480 students at a large public university. Two different online testing setups were employed…

物理教育 · 物理学 2019-08-27 Emanuela Ene , Robert C. Webb

A group of $n$ agents with numerical preferences for each other are to be assigned to the $n$ seats of a dining table. We study two natural topologies:~circular (cycle) tables and panel (path) tables. For a given seating arrangement, an…

计算机科学与博弈论 · 计算机科学 2023-10-10 Damien Berriaud , Andrei Constantinescu , Roger Wattenhofer
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