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An overview of some methods of statistical physics applied to the analysis of algorithms for optimization problems (satisfiability of Boolean constraints, vertex cover of graphs, decoding, ...) with distributions of random inputs is…

计算复杂性 · 计算机科学 2007-05-23 Simona Cocco , Remi Monasson , Andrea Montanari , Guilhem Semerjian

In this paper, we present a new ensemble-based filter method by reconstructing the analysis step of the particle filter through a transport map, which directly transports prior particles to posterior particles. The transport map is…

机器学习 · 统计学 2026-05-14 Dengfei Zeng , Lijian Jiang

The Lagrangian-Hamiltonian unified formalism of R. Skinner and R. Rusk was originally stated for autonomous dynamical systems in classical mechanics. It has been generalized for non-autonomous first-order mechanical systems, as well as for…

数学物理 · 物理学 2015-12-15 Pedro D. Prieto-Martínez , Narciso Román-Roy

We introduce a new class of nonlocal kinetic equations and nonlocal Fokker-Planck equations associated with an effective generalized thermodynamical formalism. These equations have a rich physical and mathematical structure that can…

统计力学 · 物理学 2007-05-23 Pierre-Henri Chavanis

In this paper we study some aspects of thermodynamic formalism, more specifically topological pressure and, as a consequence, topological entropy for piecewise smooth vector fields, using topological conjugation with shift maps and the…

动力系统 · 数学 2022-11-09 Marco A. C. Florentino , Tiago Carvalho , Jeferson Cassiano

The Wasserstein metric or earth mover's distance (EMD) is a useful tool in statistics, machine learning and computer science with many applications to biological or medical imaging, among others. Especially in the light of increasingly…

最优化与控制 · 数学 2018-01-26 Jörn Schrieber , Dominic Schuhmacher , Carsten Gottschlich

Fine-grained information on translation errors is helpful for the translation evaluation community. Existing approaches can not synchronously consider error position and type, failing to integrate the error information of both. In this…

计算与语言 · 计算机科学 2023-02-20 Keqin Bao , Yu Wan , Dayiheng Liu , Baosong Yang , Wenqiang Lei , Xiangnan He , Derek F. Wong , Jun Xie

We introduce a proximal version of dual coordinate ascent method. We demonstrate how the derived algorithmic framework can be used for numerous regularized loss minimization problems, including $\ell_1$ regularization and structured output…

机器学习 · 统计学 2012-11-13 Shai Shalev-Shwartz , Tong Zhang

The formalism for non-Hermitian quantum systems sometimes blurs the underlying physics. We present a systematic study of the vielbein-like formalism which transforms the Hilbert space bundles of non-Hermitian systems into the conventional…

We present a generalized FDTD scheme to simulate moving electromagnetic structures with arbitrary space-time configurations. This scheme is a local adaptation and 2+1-dimensional extension of the uniform and 1+1-dimensional scheme recently…

计算工程、金融与科学 · 计算机科学 2023-10-10 Amir Bahrami , Zoé-Lise Deck-Léger , Zhiyu Li , Christophe Caloz

We propose a flat nonlinear placement algorithm FFTPL using fast Fourier transform for density equalization. The placement instance is modeled as an electrostatic system with the analogy of density cost to the potential energy. A…

计算工程、金融与科学 · 计算机科学 2013-12-18 Jingwei Lu , Pengwen Chen , Chin-Chih Chang , Lu Sha , Dennis Jen-Hsin Huang , Chin-Chi Teng , Chung-Kuan Cheng

The alignment of large language models (LLMs) aims to ensure their outputs adhere to human values, ethical standards, and legal norms. Traditional alignment methods often rely on resource-intensive fine-tuning (FT), which may suffer from…

计算与语言 · 计算机科学 2025-09-11 Birong Pan , Yongqi Li , Weiyu Zhang , Wenpeng Lu , Mayi Xu , Shen Zhou , Yuanyuan Zhu , Ming Zhong , Tieyun Qian

This tutorial provides an introduction to the development of fast matrix algorithms based on the notions of displacement and various low-rank structures.

数值分析 · 数学 2018-07-24 Shivkumar Chandrasekaran , Nithin Govindarajan , Abhejit Rajagopal

To facilitate the numerical analysis of particle methods, we derive truncation error estimates for the approximate operators in a generalized particle method. Here, a generalized particle method is defined as a meshfree numerical method…

数值分析 · 数学 2019-07-09 Yusuke Imoto

In this article, we report on an exact closed-form solution for the displacement in an elastic homogeneous half-space elicited by a downward vertical point source moving with constant velocity over the surface of the medium. The problem…

地球物理 · 物理学 2025-05-14 Xi Feng , Haiming Zhang

The characterisation of termination using well-founded monotone algebras has been a milestone on the way to automated termination techniques, of which we have seen an extensive development over the past years. Both the semantic…

计算机科学中的逻辑 · 计算机科学 2015-07-01 Joerg Endrullis , Roel de Vrijer , Johannes Waldmann

We present a new approach to termination analysis of logic programs. The essence of the approach is that we make use of general orderings (instead of level mappings), like it is done in transformational approaches to logic program…

编程语言 · 计算机科学 2007-05-23 Danny De Schreye , Alexander Serebrenik

This paper presents LEXR, a framework for explaining the decision making of recurrent neural networks (RNNs) using a formal description language called Linear Temporal Logic (LTL). LTL is the de facto standard for the specification of…

人工智能 · 计算机科学 2020-06-15 Bishwamittra Ghosh , Daniel Neider

We present the Eisenhart-lift formalism in which the dynamics of a system that evolves under the influence of a conservative force is equivalent to that of a free system embedded in a curved manifold with one additional generalised…

经典物理 · 物理学 2018-08-01 Kieran Finn , Sotirios Karamitsos , Apostolos Pilaftsis

Hamiltonian Truncation Effective Theory is a framework that aims to improve the results of Hamiltonian truncation in a systematic, order-by-order fashion using Effective Field Theory methodology. The result is a truncated effective…

高能物理 - 理论 · 物理学 2025-07-30 Ekrem Demiray , Kara Farnsworth , Rachel Houtz