Results 71 to 80 of about 1,893 (124)

A one-sided version of a theorem of Kantorovich

open access: yes, 2007
Using elementary differential inequality methods we prove an improvement of a theorem of Kantorovich concerning solutions of nonlinear equations in Banach ...
Herzog, Gerd, Lemmert, Roland
core  

Parametrized Kantorovich-Rubinštein theorem and application to the coupling of random variables

open access: yes, 2006
International audienceWe prove a version for random measures of the celebrated Kantorovich-Rubinstein duality theorem and we give an application to the coupling of random variables which extends and unifies known ...
Clémentine Prieur   +5 more
core   +1 more source

A Voronovskaya type theorem for q-Szász-Mirakyan-Kantorovich operators

open access: yes, 2011
In this work, we consider a Kantorovich type generalization of \(q\)-Szász-Mirakyan operators via Riemann type \(q\)-integral and prove a Voronovskaya type theorem by using suitable machinery of \(q ...
Gülen Başcanbaz-Tunca   +1 more
core  

Results on the Chebyshev method in banach spaces

open access: yes, 2018
In this paper, under standard Newton-Kantorovich conditions, we establish the Kantorovich-type convergence theorem for Chebyshev method in Banach ...
Chen, Dong, Argyros, Ioannis K.
core   +1 more source

Kantorovich-Type Theorems for Generalized Equations

open access: yes, 2018
We study convergence of the Newton method for solving generalized equations of the form $f(x)+F(x)\ni 0,$ where $f$ is a continuous but not necessarily smooth function and $F$ is a set-valued mapping with closed graph, both acting in Banach spaces.
Dontchev, Asen L.   +4 more
core  

Linear and non-linear price decentralization [PDF]

open access: yes
Compendious and thorough solutions to the existence of a linear price equilibrium problem, the second welfare theorem, and the limit theorem on the core are provided for exchange economies whose consomption sets are the positive cone of arbitrary ordered
Monique Florenzano   +2 more
core  

A new Newton-like method for solving nonlinear equations. [PDF]

open access: yesSpringerplus, 2016
Saheya B, Chen GQ, Sui YK, Wu CY.
europepmc   +1 more source

Proving the Existence of Equichordal Tight Fusion Frames using the Newton–Kantorovich Theorem

open access: yes
An equichordal tight fusion frame (ECTFF) is an example of an optimal packing of subspaces. In particular, an ECTFF is an optimal packing of points in the Grassmannian with respect to chordal distance.
Davis, Staci R.
core  

A new Kantorovich-type theorem for Newton's method

open access: yes, 1999
A new Kantorovich-type convergence theorem for Newton's method is established for approximating a locally unique solution of an equation F(x)=0 defined on a Banach space. It is assumed that the operator F is twice Fréchet differentiable, and that F', F''
Argyros, Ioannis
core  

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