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Computational docking methods can provide structural models of protein-protein complexes, but protein backbone flexibility upon association often thwarts accurate predictions. In recent blind challenges, medium or high accuracy models were…

生物大分子 · 定量生物学 2020-12-29 Ameya Harmalkar , Jeffrey J. Gray

Predicting the change in binding free energy ($\Delta \Delta G$) is crucial for understanding and modulating protein-protein interactions, which are critical in drug design. Due to the scarcity of experimental $\Delta \Delta G$ data,…

计算工程、金融与科学 · 计算机科学 2024-10-15 Xiaoran Jiao , Weian Mao , Wengong Jin , Peiyuan Yang , Hao Chen , Chunhua Shen

Inverse optimization, determining parameters of an optimization problem that render a given solution optimal, has received increasing attention in recent years. While significant inverse optimization literature exists for convex…

最优化与控制 · 数学 2021-09-02 Merve Bodur , Timothy C. Y. Chan , Ian Yihang Zhu

Maximum likelihood estimation of energy-based models is a challenging problem due to the intractability of the log-likelihood gradient. In this work, we propose learning both the energy function and an amortized approximate sampling…

机器学习 · 计算机科学 2019-05-29 Rithesh Kumar , Sherjil Ozair , Anirudh Goyal , Aaron Courville , Yoshua Bengio

We propose a method for inferring entropy production (EP) in high-dimensional stochastic systems, including many-body systems and non-Markovian systems with long memory. Standard techniques for estimating EP become intractable in such…

统计力学 · 物理学 2026-02-20 Miguel Aguilera , Sosuke Ito , Artemy Kolchinsky

In this paper, optimal convergence for an adaptive finite element algorithm for elastoplasticity is considered. To this end, the proposed adaptive algorithm is established within the abstract framework of the axioms of adaptivity [Comput.…

数值分析 · 数学 2024-04-09 Miriam Schönauer , Andreas Schröder

The entropy regularization is inspired by information entropy from machine learning and the ideas of exploration and exploitation in reinforcement learning, which appears in the control problem to design an approximating algorithm for the…

最优化与控制 · 数学 2024-11-21 Ziyue Chen , Qi Zhang

We present a procedure to solve the inverse Ising problem, that is to find the interactions between a set of binary variables from the measure of their equilibrium correlations. The method consists in constructing and selecting specific…

无序系统与神经网络 · 物理学 2015-05-30 Simona Cocco , Rémi Monasson

Data-driven inverse optimization for mixed-integer linear programs (MILPs), which seeks to learn an objective function and constraints consistent with observed decisions, is important for building accurate mathematical models in a variety…

最优化与控制 · 数学 2026-02-17 Akira Kitaoka

Optimisation problems in science and engineering typically involve finding the ground state (i.e. the minimum energy configuration) of a cost function with respect to many variables. If the variables are corrupted by noise then this…

量子物理 · 物理学 2016-03-08 Nicholas Chancellor , Szilard Szoke , Walter Vinci , Gabriel Aeppli , Paul A. Warburton

Directed evolution of proteins has been the most effective method for protein engineering. However, a new paradigm is emerging, fusing the library generation and screening approaches of traditional directed evolution with computation…

生物大分子 · 定量生物学 2023-05-29 Kadina E. Johnston , Clara Fannjiang , Bruce J. Wittmann , Brian L. Hie , Kevin K. Yang , Zachary Wu

We present two simplified models of protein dynamics based on Langevin's equation of motion in a viscous medium. We explore the effect of the potential energy function's symmetry on the kinetics and thermodynamics of simulated folding. We…

统计力学 · 物理学 2009-10-28 Gabriel F. Berriz , Alexander M. Gutin , Eugene I. Shakhnovich

Analytic continuation of numerical data obtained in imaginary time or frequency has become an essential part of many branches of quantum computational physics. It is, however, an ill-conditioned procedure and thus a hard numerical problem.…

强关联电子 · 物理学 2016-08-18 Dominic Bergeron , A. -M. S. Tremblay

We propose a novel method for refining force-field parameters of protein systems. In this method, the agreement of the secondary-structure stability and instability between the protein conformations obtained by experiments and those…

生物物理 · 物理学 2013-01-08 Yoshitake Sakae , Yuko Okamoto

Aligning partially overlapping point sets where there is no prior information about the value of the transformation is a challenging problem in computer vision. To achieve this goal, we first reduce the objective of the robust point…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Wei Lian , WangMeng Zuo , Lei Zhang

The purpose of this note is to survey a methodology to solve systems of polynomial equations and inequalities. The techniques we discuss use the algebra of multivariate polynomials with coefficients over a field to create large-scale linear…

最优化与控制 · 数学 2011-12-08 Jesus A. De Loera , Peter N. Malkin , Pablo A. Parrilo

A generalized computational method for folding proteins with a fully transferable potential and geometrically realistic all-atom model is presented and tested on seven different helix bundle proteins. The protocol, which includes…

生物大分子 · 定量生物学 2009-11-11 Isaac A. Hubner , Eric J. Deeds , Eugene I. Shakhnovich

We review uses of the generalized-ensemble algorithms for free-energy calculations in protein folding. Two of the well-known methods are multicanonical algorithm and replica-exchange method; the latter is also referred to as parallel…

统计力学 · 物理学 2007-05-23 Y. Sugita , Y. Okamoto

Inverse optimal control, also known as inverse reinforcement learning, is the problem of recovering an unknown reward function in a Markov decision process from expert demonstrations of the optimal policy. We introduce a probabilistic…

机器学习 · 计算机科学 2012-06-22 Sergey Levine , Vladlen Koltun

Techniques for simulating molecules whose conformations satisfy constraints are presented. A method for selecting appropriate moves in Monte Carlo simulations is given. The resulting moves not only obey the constraints but also maintain…

计算物理 · 物理学 2007-05-23 Charles F. F. Karney , Jason E. Ferrara