Results 51 to 60 of about 1,522 (137)

Split hierarchical variational inequality problems and related problems

open access: yes, 2014
The main objective of this paper is to introduce a split hierarchical variational inequality problem. Several related problems are also considered. We propose an iterative method for finding a solution of our problem. The weak convergence of the sequence
Q. Ansari, Nimit Nimana, N. Petrot
semanticscholar   +1 more source

On the nonlinear implicit complementarity problem

open access: yes, 1992
International Journal of Mathematics and Mathematical Sciences, Volume 16, Issue 4, Page 783-789, 1993.
A. H. Siddiqi, Q. H. Ansari
wiley   +1 more source

Steffensen Methods for Solving Generalized Equations [PDF]

open access: yes, 2008
2000 Mathematics Subject Classification: 65G99, 65K10, 47H04.We provide a local convergence analysis for Steffensen's method in order to solve a generalized equation in a Banach space setting. Using well known fixed point theorems for set-valued maps [13]
Argyros, Ioannis K., Hilout, Saïd
core  

Inverse Scattering by the Stability Index Method

open access: yes, 2001
A novel numerical method for solving inverse scattering problem with fixed-energy data is proposed. The method contains a new important concept: the stability index of the inversion problem.
Gutman, S., Ramm, A. G., Scheid, W.
core   +3 more sources

A hierarchical loss and its problems when classifying non-hierarchically

open access: yes, 2019
Failing to distinguish between a sheepdog and a skyscraper should be worse and penalized more than failing to distinguish between a sheepdog and a poodle; after all, sheepdogs and poodles are both breeds of dogs.
LeCun, Yann, Tygert, Mark, Wu, Cinna
core   +1 more source

A variational method for quantitative photoacoustic tomography with piecewise constant coefficients

open access: yes, 2015
In this article, we consider the inverse problem of determining spatially heterogeneous absorption and diffusion coefficients from a single measurement of the absorbed energy (in the steady-state diffusion approximation of light transfer).
Beretta, Elena   +3 more
core   +1 more source

The robust isolated calmness of spectral norm regularized convex matrix optimization problems

open access: yesOpen Mathematics
This article aims to provide a series of characterizations of the robust isolated calmness of the Karush-Kuhn-Tucker (KKT) mapping for spectral norm regularized convex optimization problems. By establishing the variational properties of the spectral norm
Yin Ziran, Chen Xiaoyu, Zhang Jihong
doaj   +1 more source

Allen-Cahn and Cahn-Hilliard variational inequalities solved with Optimization Techniques [PDF]

open access: yes, 2010
Parabolic variational inequalities of Allen-Cahn and Cahn- Hilliard type are solved using methods involving constrained optimization. Time discrete variants are formulated with the help of Lagrange multipliers for local and non-local equality and ...
Blank, Luise   +4 more
core  

Methods of tropical optimization in rating alternatives based on pairwise comparisons

open access: yes, 2017
We apply methods of tropical optimization to handle problems of rating alternatives on the basis of the log-Chebyshev approximation of pairwise comparison matrices.
A Farkas   +9 more
core   +1 more source

A constrained tropical optimization problem: complete solution and application example

open access: yes, 2013
The paper focuses on a multidimensional optimization problem, which is formulated in terms of tropical mathematics and consists in minimizing a nonlinear objective function subject to linear inequality constraints.
Krivulin, Nikolai
core   +1 more source

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