Fixed-point index

Known as: Fixed point index

In mathematics, the fixed-point index is a concept in topological fixed-point theory, and in particular Nielsen theory. The fixed-point index can be…

Papers overview

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2019

In this study, we consider the eigenvalue problems of fourth-order elastic beam equations. By using Avery and Peterson’s fixed…

2018

Kakutani's fixed point theorem is a generalization of Brouwer's fixed point theorem to upper semicontinuous multivalued maps and…

2016

We compute the fixed point index of non-degenerate central configurations for the $n$-body problem in the euclidean space of…

2013

We prove some rigidity theorems for configurations of closed disks. First, fix two collections $\mathcal{C}$ and $\tilde{\mathcal…

2012

In this article we study the existence and multiplicity of positive solutions for the system of second-order boundary value…

2010

In this paper,by using the theory of cone,some results for fixed point index about a class of nonlinear operators which are not…

2009

In this paper, we investigates the following third-order two-point semipositone boundary value problems:

2008

Many problems in the theory of differential equations were initially treated with analytic techniques and later evolved towards…

2007

The tracking control of non-minimum phase systems is nowadays an open and challenging field, because a general theory is still…

1996

We introduction random topological degree theory and proved some new random fixed pointtheorems[1].The purpose of this paper is…