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Fixed point theory for admissible type maps with applications
(Springer Nature, 2009-01-01)
Existence results for first and second order semilinear impulsive differential inclusions
(Uniwersytet Mikolaja Kopernika/Nicolaus Copernicus University, 2005-09-01)
In this paper we prove existence results for first and second order semilinear impulsive differential inclusions in Banach spaces.
Topological structure of solution sets in fréchet spaces: the projective limit approach
(Elsevier BV, 2006-12-01)
Compression–expansion fixed point theorem in two norms and applications
(Elsevier BV, 2005-09-01)
Fixed point theory for admissible multimaps defined on closed subsets of fréchet spaces
(Elsevier BV, 2003-01-01)
Approximation and fixed point theorems for countable condensing composite maps
(Cambridge University Press (CUP), 2003-08-01)
This paper presents a multivalued version of an approximation result of Ky Fan (Math. Z. 112 (1969)) for U-c(k) maps.
Fixed point theory of mönch type for weakly sequentially upper semicontinuous maps
(Cambridge University Press (CUP), 2000-06-01)
A variety of fixed point results are presented for weakly sequentially upper semicontinuous maps. In addition an existence result is established for differential equations in Banach spaces relative to the weak topology.
Unbounded positive solutions for second order singular boundary value problems with derivative dependence on infinite intervals
(Division of Functional Equations, The Mathematical Society of Japan (JST), 2008-01-01)
The existence of at least one unbounded positive solution and the existence of multiple unbounded positive solutions are established for the singular second-order boundary value problem p(t)(-1)(p(t)x'(t))' + Phi(t)f(t,x,px') ...
Fixed points and homotopy results for ćirić-type multivalued operators on a set with two metrics
(The Korean Mathematical Society, 2008-02-29)
The purpose of this paper is to present some fixed point results for nonself multivalued operators on a set with two metrics. In addition, a homotopy result for multivalued operators on a set with two metrics is given. The ...