Results 21 to 30 of about 610,086 (321)

Gap Functions and Algorithms for Variational Inequality Problems

open access: yesJournal of Applied Mathematics, 2013
We solve several kinds of variational inequality problems through gap functions, give algorithms for the corresponding problems, obtain global error bounds, and make the convergence analysis.
Congjun Zhang, Baoqing Liu, Jun Wei
doaj   +1 more source

Adaptive FE-BE Coupling for Strongly Nonlinear Transmission Problems with Coulomb Friction [PDF]

open access: yes, 2009
We analyze an adaptive finite element/boundary element procedure for scalar elastoplastic interface problems involving friction, where a nonlinear uniformly monotone operator such as the p-Laplacian is coupled to the linear Laplace equation on the ...
C. Carstensen   +13 more
core   +1 more source

Variational inequalities in critical-state problems [PDF]

open access: yesPhysica D: Nonlinear Phenomena, 2004
Similar evolutionary variational inequalities appear as convenient formulations for continuous quasistationary models for sandpile growth, formation of a network of lakes and rivers, magnetization of type-II superconductors, and elastoplastic deformations.
openaire   +3 more sources

Two modifications of the inertial Tseng extragradient method with self-adaptive step size for solving monotone variational inequality problems

open access: yes, 2020
In this work, we introduce two new inertial-type algorithms for solving variational inequality problems (VIPs) with monotone and Lipschitz continuous mappings in real Hilbert spaces.
T. O. Alakoya, L. Jolaoso, O. Mewomo
semanticscholar   +1 more source

A Coevolutionary Particle Swarm Algorithm for Bi-Level Variational Inequalities: Applications to Competition in Highway Transportation Networks [PDF]

open access: yes, 2009
A climate of increasing deregulation in traditional highway transportation, where the private sector has an expanded role in the provision of traditional transportation services, provides a background for practical policy issues to be investigated ...
Chiong, Raymond, Dhakal, Sandeep
core   +1 more source

On the convergence of adaptive nonconforming finite element methods for a class of convex variational problems [PDF]

open access: yes, 2011
We formulate and analyze an adaptive nonconforming finite element method for the solution of convex variational problems. The class of minimization problems we admit includes highly singular problems for which no Euler–Lagrange equation (or inequality ...
Ortner, Christoph, Praetorius, Dirk
core   +2 more sources

Conceptualising quality early childhood education: Learning from young children in Brazil and South Africa through creative and play‐based methods

open access: yesBritish Educational Research Journal, EarlyView., 2023
Abstract Early childhood has increasingly been acknowledged as a vital time for all children. Inclusive and quality education is part of the United Nations Sustainable Development Goals, with the further specification that all children have access to quality pre‐primary education.
Laura H. V. Wright   +8 more
wiley   +1 more source

The Forward-Backward-Forward Method from continuous and discrete perspective for pseudo-monotone variational inequalities in Hilbert spaces

open access: yes, 2020
Tseng's forward-backward-forward algorithm is a valuable alternative for Korpelevich's extragradient method when solving variational inequalities over a convex and closed set governed by monotone and Lipschitz continuous operators, as it requires in ...
Bot, Radu Ioan   +2 more
core   +1 more source

Optimal control problems with delay, the maximum principle and necessary conditions [PDF]

open access: yes, 1975
In this paper we consider a rather general optimal control problem involving ordinary differential equations with delayed arguments and a set of equality and inequality restrictions on state- and control variables. For this problem a maximum principle is
Frankena, J.F.
core   +3 more sources

A Viscosity Hybrid Steepest Descent Method for Generalized Mixed Equilibrium Problems and Variational Inequalities for Relaxed Cocoercive Mapping in Hilbert Spaces

open access: yesAbstract and Applied Analysis, 2010
We present an iterative method for fixed point problems, generalized mixed equilibrium problems, and variational inequality problems. Our method is based on the so-called viscosity hybrid steepest descent
Wanpen Chantarangsi   +2 more
doaj   +1 more source

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