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We study the critical phenomena of the dynamical transition from a metastable state to a stable state in the model of first-order phase transition via two different triggering mechanisms. Three universal stages during the fully nonlinear…

高能物理 - 理论 · 物理学 2023-02-01 Qian Chen , Yuxuan Liu , Yu Tian , Bin Wang , Cheng-Yong Zhang , Hongbao Zhang

Structural phase transitions are governed by the underlying atomic transformation mechanism; martensitic transformations can be separated into strain and shuffle components. A systematic pathway generation and sorting algorithm is presented…

材料科学 · 物理学 2008-07-24 D. R. Trinkle , D. M. Hatch , H. T. Stokes , R. G. Hennig , R. C. Albers

Phase transitions are emergent phenomena where microscopic interactions drive a disordered system into a collectively ordered phase. Near the boundary between two phases, the system can exhibit critical, scale-invariant behavior. Here, we…

量子物理 · 物理学 2021-10-27 Yahel Horowicz , Or Katz , Oren Raz , Ofer Firstenberg

Resetting, in which a system is regularly returned to a given state after a fixed or random duration, has become a useful strategy to optimize the search performance of a system. While earlier theoretical frameworks focused on instantaneous…

统计力学 · 物理学 2024-10-14 Prashant Singh

In complex systems, external parameters often determine the phase in which the system operates, i.e., its macroscopic behavior. For nearly a century, statistical physics has extensively studied systems' transitions across phases,…

In systems in which control authority is shared by an autonomous controller and a human operator, it is important to find solutions that achieve a desirable system performance with a reasonable workload for the human operator. We formulate…

机器人学 · 计算机科学 2014-12-19 Jie Fu , Ufuk Topcu

Multi-task learning, which optimizes performance across multiple tasks, is inherently a multi-objective optimization problem. Various algorithms are developed to provide discrete trade-off solutions on the Pareto front. Recently, continuous…

机器学习 · 计算机科学 2024-07-31 Weiyu Chen , James T. Kwok

Here we present a combinatorial decision problem, inspired by the celebrated quiz show called the countdown, that involves the computation of a given target number T from a set of k randomly chosen integers along with a set of arithmetic…

统计力学 · 物理学 2015-06-05 Lucas Lacasa , Bartolo Luque

Many systems require optimisation over multiple objectives, where objectives are characteristics of the system such as energy consumed or increase in time to perform the work. Optimisation is performed by selecting the `best' set of input…

性能 · 计算机科学 2019-10-08 Alexander J. M. Kell , Matthew Forshaw , A. Stephen McGough

We review progress on questions related to front propagation into unstable states and point out open problems in the area. We strive to highlight different theoretical perspectives and challenges while also addressing more practical…

偏微分方程分析 · 数学 2026-05-12 Montie Avery , Matt Holzer , Arnd Scheel

Multivalent particles bind to targets via many independent ligand-receptor bonding interactions. This microscopic design spans length scales in both synthetic and biological systems. Classic examples include interactions between cells,…

软凝聚态物质 · 物理学 2020-04-22 Tine Curk , Nicholas B. Tito

In clean and weakly disordered systems, topological and trivial phases having a finite bulk energy gap can transit to each other via a quantum critical point. In presence of strong disorder, both the nature of the phases and the associated…

无序系统与神经网络 · 物理学 2025-06-26 Saikat Mondal , Adhip Agarwala

Multi-objective optimization (MOO) is a prevalent challenge for Deep Learning, however, there exists no scalable MOO solution for truly deep neural networks. Prior work either demand optimizing a new network for every point on the Pareto…

机器学习 · 计算机科学 2021-10-15 Michael Ruchte , Josif Grabocka

Metastability is a physical phenomenon ubiquitous in first order phase transitions. A fruitful mathematical way to approach this phenomenon is the study of rare transitions Markov chains. For Metropolis chains associated with Statistical…

概率论 · 数学 2015-09-30 Emilio Cirillo , Francesca Nardi , Julien Sohier

We consider a multi-objective optimization problem with objective functions that are expensive to evaluate. The decision maker (DM) has unknown preferences, and so the standard approach is to generate an approximation of the Pareto front…

机器学习 · 计算机科学 2021-05-28 Juan Ungredda , Mariapia Marchi , Teresa Montrone , Juergen Branke

Model merging combines expert models for multitask performance but faces challenges from parameter interference. This has sparked recent interest in controllable model merging, giving users the ability to explicitly balance performance…

机器学习 · 计算机科学 2025-11-17 Jialin Wu , Jian Yang , Handing Wang , Jiajun Wen , Zhiyong Yu

Markov automata combine non-determinism, probabilistic branching, and exponentially distributed delays. This compositional variant of continuous-time Markov decision processes is used in reliability engineering, performance evaluation and…

计算机科学中的逻辑 · 计算机科学 2017-05-11 Tim Quatmann , Sebastian Junges , Joost-Pieter Katoen

This paper approaches the problem of understanding collective agency from a logical and game-theoretical perspective. Instead of collective intentionality, our analysis highlights the role of Pareto optimality. To facilitate the analysis,…

理论经济学 · 经济学 2021-04-20 Chenwei Shi , Yiyang Wang

Pareto optimization using evolutionary multi-objective algorithms has been widely applied to solve constrained submodular optimization problems. A crucial factor determining the runtime of the used evolutionary algorithms to obtain good…

神经与进化计算 · 计算机科学 2023-05-15 Frank Neumann , Carsten Witt

Multi-objective optimization (MOO) problems are prevalent in machine learning. These problems have a set of optimal solutions, called the Pareto front, where each point on the front represents a different trade-off between possibly…

机器学习 · 计算机科学 2021-04-27 Aviv Navon , Aviv Shamsian , Gal Chechik , Ethan Fetaya