On a fixed point theorem of Krasnosel'skii type and application to integral equations.
On a fixed point theorem of Krasnoselskii-Schaefer type.
On a fixed point theorem of Pathak.
On a fixed-point theorem of Cellina
In questa nota mostriamo come un teorema di esistenza per funzionali lineari porti un nuovo teorema di punto fisso che generalizza un teorema di punto fisso di Cellina.
On a Fixed-Point Theorem on Locally Convex Linear Topological Spaces.
On a generalization of a Greguš fixed point theorem
Let be a closed convex subset of a complete convex metric space . In this paper a class of selfmappings on , which satisfy the nonexpansive type condition below, is introduced and investigated. The main result is that such mappings have a unique fixed point.
On a nonlinear elliptic boundary value problem
On a nonlinear integral equation without compactness.
On a pair of random generalized non-linear contractions.
On a problem of Gulevich on nonexpansive maps in uniformly convex Banach spaces
Let be a uniformly convex Banach space, , a nonexpansive map, and a closed bounded subset such that . If (1) is weakly inward and is star-shaped or (2) satisfies the Leray-Schauder boundary condition, then has a fixed point in . This is closely related to a problem of Gulevich [Gu]. Some of our main results are generalizations of theorems due to Kirk and Ray [KR] and others.
On a problem of V. Pták
On almost coincidence points in generalized convex spaces.
On an integral equation with modified argument.
On approximation of compact multivalued maps in topological vector spaces.
On best proximity pair theorems and fixed-point theorems.
On calculation of the relative index of a fixed point in the nondegenerate case.
On Caristi's fixed point theorem in F-type topological spaces.
On common fixed and periodic points of commuting functions.
On common fixed point theorems for three and four self mappings satisfying contractive conditions
In this contribution, we discuss some unique common fixed point theorems for three and four occasionally weakly compatible mappings satisfying different types of contractive condition.
On common fixed points.