Results 31 to 40 of about 1,702 (261)

Fixed point index computations for multivalued mapping and application to the problem of positive eigenvalues in ordered space [PDF]

open access: yes, 2022
[EN] In this paper, we present some results on fixed point index calculations for multivalued mappings and apply them to prove the existence of solutions to multivalued equations in ordered space, under flexible conditions for the positive eigenvalue ...
Tri, Vo Viet
core   +1 more source

Computational matrix representation modules for linear operators with explicit constructions for a class of lie operators [PDF]

open access: yes, 1998
A linear mapping from a finite-dimensional linear space to another has a matrix representation. Certain multilinear functions are also matrix-representable.
Fu, Jyun-Horng   +2 more
core   +1 more source

Approximation on Partially Ordered Sets of Regular Grids [PDF]

open access: yes, 1996
In this paper we analyse the approximation of functions on partially ordered sequences of regular grids. We start with the formulation of minimal requirements for useful grid transfer operators.
C. Pflaum   +5 more
core   +1 more source

A monotone iterative technique for stationary and time dependent problems in Banach spaces [PDF]

open access: yes, 2010
An abstract monotone iterative method is developed for operators between partially ordered Banach spaces for the nonlinear problem Lu=Nu and the nonlinear time dependent problem u′=(L+N)u.
Nieto, J.J.   +2 more
core   +1 more source

Compactness in asymmetrically normed lattices. [PDF]

open access: yes, 2012
Includes abstract.Includes bibliographical references.The aim of the thesis is to investigate aspects of the theory of such spaces, concentrating mainly, but not exclusively, on nite dimensional spaces.
Mabula, Mokhwetha Daniel
core  

Ideal points in multiobjective programming [PDF]

open access: yes, 1993
The main object of this paper is to give conditions under which a minimal solution to a problem of mathematical programming can be transformed into a minimum solution in the usual sense of the order relations, or in every case, conditions under which ...
Balbás, Alejandro   +2 more
core  

Interpolation of positive operators [PDF]

open access: yes, 2020
We study problems of interpolation of positive linear operators in couples of ordered Banach spaces. From this viewpoint, we study couples of noncommutative spaces L1, L∞ associated with weights and traces on von Neumann algebras.
Sukochev F., Veselova L., Tikhonov O.
core  

A simple approach to the Perron-Frobenius theory for positive operators on general partially-ordered finite-dimensional linear spaces [PDF]

open access: yes, 1973
This paper presents simple proofs of the principal results of the Perron-Frobenius theory for linear mappings on finite-dimensional spaces which are nonnegative relative to a general partial ordering on the space.
James S. Vandergraft   +1 more
core   +1 more source

A Spectral Theory for Duality Systems of Operators on a Banach Space [PDF]

open access: yes, 1970
This note is an addendum to my earlier paper [8]. The class of adjoint abelian operators discussed there was small because the compatibility relation between the operator and the duality map was too restrictive.
J. G. Stampfli
core   +1 more source

Left Cauchy Integral Bases in Linear Topological Spaces [PDF]

open access: yes, 1970
The purpose of this paper is to consider a representation for the elements of a linear topological space in the form of a σ-integral over a linearly ordered subset of V; this ordered subset is what will be called an L basis. The formal definition of an L
James A. Dyer
core   +1 more source

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