Results 71 to 80 of about 1,104,947 (264)
A Fixed Point Theorem for Multivalued Mappings with -Distance
, 2014 We mainly study fixed point theorem for multivalued mappings with -distance using Wardowski’s technique on complete metric space. Let be a metric space and let be a family of all nonempty bounded subsets of . Define by Considering -distance, it is proved
Ö. Acar, I. Altun
semanticscholar +1 more source
Journal of MathematicsWe establish three types of nonlinear fixed point theorems in regular semimetric spaces. First, we generalize Miculescu and Mihail’s result, thereby unifying the Matkowski fixed point theorem and the Istrăţescu fixed point theorem concerning convex ...
Shu-Min Lu, Peng Wang, Fei He
doaj +1 more source
A fixed point theorem for multivalued mappings
Electronic Journal of Qualitative Theory of Differential Equations, 2004 A generalization of the Leray-Schauder principle for multivalued mappings is given. Using this result, an existence theorem for an integral inclusion is obtained.
C. Avramescu
doaj +1 more source
A fixed point theorem for non-negative functions
AIMS MathematicsIn this paper, we are concerned with the study of the existence and uniqueness of fixed points for the class of functions $ f: C\to C $ satisfying the inequality$ \ell\left(\alpha f(t)+(1-\alpha)f(s)\right)\leq \sigma \ell(\alpha t+(1-\alpha)s) $for
Hassen Aydi +2 more
doaj +1 more source
On the Brouwer fixed point theorem
Topology and its Applications, 2002 The author studies the Brouwer-type fixed point theorem for multivalued mappings which are continuous with respect to the Borsuk continuity metric and have spheric-type values. By using deep topological methods, the fixed-point problem is expressed in terms of sphere bundles over manifolds. New methods in the fixed-point problem are presented.
openaire +2 more sources
A Fixed Point Theorem Based on Miranda
Fixed Point Theory and Applications, 2007 A new fixed point theorem is proved by using the theorem of Miranda.
Uwe Schäfer
doaj +1 more source
A fractional order Monkeypox model with protected travelers using the fixed point theorem and Newton polynomial interpolation. [PDF]
Healthc Anal (N Y), 2023 Adom-Konadu A +4 more
europepmc +1 more source
A fixed point theorem for analytic functions
Fixed Point Theory and Applications, 2005 We prove that each analytic self-map of the open unit disk which interpolates between certain n-tuples must have a fixed point.
Valentin Matache
doaj +1 more source
The equivariant Lefschetz fixed point theorem for proper cocompact G-manifolds
, 2001 Suppose one is given a discrete group G, a cocompact proper G-manifold M, and a G-self-map f of M. Then we introduce the equivariant Lefschetz class of f, which is globally defined in terms of cellular chain complexes, and the local equivariant Lefschetz
Lueck, Wolfgang, Rosenberg, Jonathan
core +2 more sources
A Schauder fixed point theorem in semilinear spaces and applications
, 2013 In this paper we present existence and uniqueness results for a class of fuzzy fractional integral equations. To prove the existence result, we give a variant of the Schauder fixed point theorem in semilinear Banach spaces.MSC:34A07, 34A08.
R. Agarwal +3 more
semanticscholar +1 more source