Results 71 to 80 of about 4,375,993 (379)

Uniqueness of Viscosity Solutions for Optimal Multi-Modes Switching Problem with Risk of default [PDF]

open access: yes, 2012
In this paper we study the optimal m-states switching problem in finite horizon as well as infinite horizon with risk of default. We allow the switching cost functionals and cost of default to be of polynomial growth and arbitrary.
Asri, Brahim El
core  

Multigrid methods for two-player zero-sum stochastic games

open access: yes, 2011
We present a fast numerical algorithm for large scale zero-sum stochastic games with perfect information, which combines policy iteration and algebraic multigrid methods.
Akian   +50 more
core   +3 more sources

Neural Topology Optimization Via Active Learning for Efficient Channel Design in Turbulent Mass Transfer

open access: yesAdvanced Science, EarlyView.
This study introduces a neural operator‐assisted topology optimization framework for designing fluidic channel structures in mass transfer processes. By combining machine learning, gradient‐based optimization, and active data augmentation, the method enables high‐fidelity, efficient design.
Chenhui Kou   +6 more
wiley   +1 more source

Existence result and error bounds for a new class of inverse mixed quasi-variational inequalities

open access: yesJournal of Inequalities and Applications, 2016
In this paper, a new class of inverse mixed quasi-variational inequalities (IMQVI) is introduced and studied in Hilbert spaces. This type of inequalities includes many quasi-variational inequalities and inverse variational inequalities as its special ...
Xi Li, Yun-zhi Zou
doaj   +1 more source

Homogenization of some degenerate pseudoparabolic variational inequalities

open access: yes, 2018
Multiscale analysis of a degenerate pseudoparabolic variational inequality, modelling the two-phase flow with dynamical capillary pressure in a perforated domain, is the main topic of this work.
Ptashnyk, Mariya
core   +1 more source

Technological change, capital deepening, and agricultural total factor productivity (TFP) growth: Cross‐country comparison of 18 OECD countries

open access: yesApplied Economic Perspectives and Policy, EarlyView.
Abstract This paper employs the data envelope analysis (DEA) to assess technological progress and its impact on agricultural total factor productivity (TFP) across 18 the Organization for Economic Cooperation and Development (OECD) countries from 1973 to 2015.
Yu Sheng
wiley   +1 more source

System of Extended General Variational Inequalities for Relaxed Cocoercive Mappings in Hilbert Space

open access: yesMathematics, 2018
In this manuscript, we study a system of extended general variational inequalities (SEGVI) with several nonlinear operators, more precisely, six relaxed ( α , r ) -cocoercive mappings.
Kyung Soo Kim
doaj   +1 more source

Iterative Solutions for Solving Variational Inequalities and Fixed-Point Problems

open access: yesJournal of Function Spaces, 2021
In this paper, we are interested in variational inequalities and fixed-point problems in Hilbert spaces. We present an iterative algorithm for finding a solution of the studied variational inequalities and fixed-point problems.
Li-Jun Zhu, Naseer Shahzad, Asim Asiri
doaj   +1 more source

Projected Reflected Gradient Methods for Monotone Variational Inequalities [PDF]

open access: yesSIAM Journal on Optimization, 2015
This paper is concerned with some new projection methods for solving variational inequality problems with monotone and Lipschitz-continuous mapping in Hilbert space.
Yura Malitsky
semanticscholar   +1 more source

Toward Energy Justice Principles for Sustainable Lithium‐Ion Battery Technologies

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
Prefeasibility life cycle assessment is used to evaluate the environmental, social, and supply chain impacts of lithium‐ion battery technologies, and the concept of distributional energy justice is discussed. By comparing chemistries and use cases, it reveals inequities in material sourcing and technology access.
Isabella D. R. Stephens   +4 more
wiley   +1 more source

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