Results 31 to 40 of about 1,694 (263)

Operator monotone functions and Löwner functions of several variables [PDF]

open access: yesAnnals of Mathematics, 2012
We prove generalizations of L wner's results on matrix monotone functions to several variables. We give a characterization of when a function of $d$ variables is locally monotone on $d$-tuples of commuting self-adjoint $n$-by-$n$ matrices. We prove a generalization to several variables of Nevanlinna's theorem describing analytic functions that map the
Agler, Jim, McCarthy, John E, Young, N J
openaire   +3 more sources

Asymptotic Behavior of Solutions to Some Homogeneous Second-Order Evolution Equations of Monotone Type

open access: yesJournal of Inequalities and Applications, 2007
We study the asymptotic behavior of solutions to the second-order evolution equation p(t)u″(t)+r(t)u′(t)∈Au(t) a.e. t∈(0,+∞), u(0)=u0, supt≥0|u(t)|
Hadi Khatibzadeh   +1 more
doaj   +2 more sources

Iterative Methods for Computing the Resolvent of Composed Operators in Hilbert Spaces

open access: yesMathematics, 2019
The resolvent is a fundamental concept in studying various operator splitting algorithms. In this paper, we investigate the problem of computing the resolvent of compositions of operators with bounded linear operators.
Yixuan Yang, Yuchao Tang, Chuanxi Zhu
doaj   +1 more source

The Zhegalkin Polynomial of Multiseat Sole Sufficient Operator

open access: yesМоделирование и анализ информационных систем, 2023
Among functionally complete sets of Boolean functions, sole sufficient operators are of particular interest. They have a wide range of applicability and are not limited to the two-seat case.
Leonid Y. Bystrov, Egor V. Kuzmin
doaj   +1 more source

Positive Solutions for Three-Point Boundary Value Problem of Fractional Differential Equation with -Laplacian Operator

open access: yesDiscrete Dynamics in Nature and Society, 2013
We investigate the existence of multiple positive solutions for three-point boundary value problem of fractional differential equation with -Laplacian operator , where are the standard Riemann-Liouville derivatives with , and the constant is a ...
Shang-lin Yao   +3 more
doaj   +1 more source

Asymptotic behavior of Newton-like inertial dynamics involving the sum of potential and nonpotential terms

open access: yesFixed Point Theory and Algorithms for Sciences and Engineering, 2021
In a Hilbert space H $\mathcal{H}$ , we study a dynamic inertial Newton method which aims to solve additively structured monotone equations involving the sum of potential and nonpotential terms. Precisely, we are looking for the zeros of an operator A = ∇
Samir Adly, Hedy Attouch, Van Nam Vo
doaj   +1 more source

On the invariance of the Pareto optimal set [PDF]

open access: yesComputer Science Journal of Moldova, 1993
In the previous paper presented at the 11th SOR, Darmstadt 1986, the authors had shown that the Pareto optimal set of a multicriteria problem remains invariable if on the objective vector function operates a strictly monotone operator of strictly ...
Vincentiu Dumitru, Florica Luban
doaj  

Maximality Theorems on the Sum of Two Maximal Monotone Operators and Application to Variational Inequality Problems

open access: yesAbstract and Applied Analysis, 2016
Let X be a real locally uniformly convex reflexive Banach space with locally uniformly convex dual space X⁎. Let T:X⊇D(T)→2X⁎ and A:X⊇D(A)→2X⁎ be maximal monotone operators.
Teffera M. Asfaw
doaj   +1 more source

Monotone operators and "bigger conjugate" functions

open access: yes, 2011
We study a question posed by Stephen Simons in his 2008 monograph involving "bigger conjugate" (BC) functions and the partial infimal convolution. As Simons demonstrated in his monograph, these function have been crucial to the understanding and advancement of the state-of-the-art of harder problems in monotone operator theory, especially the sum ...
Bauschke, Heinz H.   +3 more
openaire   +3 more sources

Operator monotonicity of some functions

open access: yesLinear Algebra and its Applications, 2015
16 ...
Nagisa, Masaru, Wada, Shuhei
openaire   +3 more sources

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