نتایج جستجو برای: selections of multivalued functions

تعداد نتایج: 21198743  

2010
CONG DIEU Palle E. T. Jorgensen

This paper extends Krein-Rutman's theorem on linear operators leaving an invariant cone in infinite-dimensional Banach spaces to multivalued convex functions. The result is applied to obtain necessary and sufficient conditions for global controllability and reachability of nonlinear discrete-time systems described by convex processes.

1997
Gunter Ochs

This paper deals with the iteration of algebraic functions, i.e. (in general) multivalued self maps of the Riemann sphere deened by z 7 ! w if P (z; w) = 0, where P is a polynomial in two complex variables. The notion of a hyperbolic repeller is introduced and illustrated by several examples. We prove that hyperbolic repellers are orbit stable under perturbations.

2007
Leonid Yaroslavsky Alex Gershman Zhi Ding Moncef Gabbouj Peter Grant Ferran Marqués Marc Moonen Hideaki Sakai Giovanni Sicuranza Sergios Theodoridis Valery A. Zheludev

Contents Preface ix 1. Wavelet and frame transforms originated from continuous and discrete splines, Amir Z. Averbuch and Valery A. Zheludev 1 1.1. Introduction 1 1.2. Preliminaries 4 1.3. Prediction filters originated from splines 9 1.4. Biorthogonal wavelet transforms generated by filter banks with downsampling factor N = 2 (diadic transforms) 17 1.5. Application of spline-based wavelet trans...

2007
Marlène Frigon M. Frigon

In this paper, we introduce some aspects of a critical point theory for multivalued functions Φ : E → RN∪{∞} defined on E a complete gauge space and with closed graph. The existence of a critical point is established in presence of linking. Finally, we present applications of this theory to semilinear elliptic problems on RN .

2001
Mark I. Hwang Jack D. Becker Jerry W. Lin

An important aspect of data modeling is the identification of entities or objects and their associated attributes. An attribute may be single-valued or multivalued. During database design, the designer usually has to represent all attributes in relational tables that only allow single-valued cells. A number of authors (1, 3, 5, 6) advocate the notion that multivalued attributes are essentially ...

2016
Monther Rashed Alfuraidan P. Kumam

We define the multivalued Reich (G, ρ)-contraction mappings on a modular function space. Then we obtain sufficient conditions for the existence of fixed points for such mappings. As an application, we introduce a ρ-valued Bernstein operator on the set of functions f : [0, 1] → Lρ and then give the modular analogue to Kelisky-Rivlin theorem. c ©2016 All rights reserved.

1993
George M. Georgiou

Rosenblatt's perceptron is extended to (1) a multivalued perceptron and (2) to a continuous-valued perceptron. It shown that any function that can be represented by the multivalued perceptron can be learned in a nite number of steps, and any function that can represented by the continuous perceptron can be learned with arbitrary accuracy in a nite number of steps. The whole apparatus is deened ...

2011
Sanhua Wang Qiuying Li

A class of implicit multivalued vector equilibrium problems is studied. By using the generalized Fan-Browder fixed point theorem, some existence results of solutions for the implicit multivalued vector equilibrium problems are obtained under some suitable assumptions. Moreover, a stability result of solutions for the implicit multivalued vector equilibrium problems is derived. These results ext...

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