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… (More)

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2009

2009

- Donal O’Regan
- 2009

An index theory is presented for compact absorbing contractive Jc or SJc maps and several new fixed point theorems are given for… (More)

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2008

2008

Some problems in differential equations evolve towards Topology from an analytical origin. Two such problems will be discussed… (More)

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2007

2007

- Kate Ponto
- 2007

The Lefschetz fixed point theorem follows easily from the identification of the Lefschetz number with the fixed point index. This… (More)

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2005

2005

Let U be an open subset of a locally compact metric ANR X and let f : U → X be a continuous map. In this paper we study the fixed… (More)

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2005

2005

- Gennaro Infante
- 2005

in which the second derivative may occur nonlinearly. Positive solutions for the case f (t,u,u′,u′′) = g(t)h(u) have been studied… (More)

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2005

2005

- Rainer Bader
- 2005

In the paper we construct a topological fixed-point theory for a class of set-valued maps which appears in natural way in… (More)

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2005

2005

- Carl P. Simon
- 2005

Area-preserving maps and flows play an essential role in the study of motions of mechanical systems, especially in celestial… (More)

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2004

2004

- Massimo Furi, MARIA PATRIZIA, Marco Spadini
- 2004

The fixed point index enjoys a number of properties whose precise statement may vary in the literature. The prominent ones are… (More)

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2004

2004

- Yu- Qing Chen
- 2004

Let P be cone Banach space E, A, K are two mappings in P, A accretive, K s k-set contraction, then fixed point index defined for… (More)

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1997

1997

A fixed point index is defined for mappings defined on a cone K which do not necessarily take their values in K but satisfy a… (More)

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