On Scheepers' conjecture
On Schwartz Spaces and Mackey Convergence
On Sehgal's Maps with a Contractive Iterate at a Point
On selections of multifunctions
The purpose of this paper is to introduce a definition of cliquishness for multifunctions and to study the search for cliquish, quasi-continuous and Baire measurable selections of compact valued multifunctions. A correction as well as a generalization of the results of [5] are given.
On self-homeomorphic dendrites
It is shown that for every numbers there is a strongly self-homeomorphic dendrite which is not pointwise self-homeomorphic. The set of all points at which the dendrite is pointwise self-homeomorphic is characterized. A general method of constructing a large family of dendrites with the same property is presented.
On semi -perfect functions.
On semi-closed sets and semi-open sets and their applications
On semicompact sets and associated properties.
On Semicontinuity in Impulsive Dynamical Systems
In the important paper on impulsive systems [K1] several notions are introduced and several properties of these systems are shown. In particular, the function ϕ which describes "the time of reaching impulse points" is considered; this function has many important applications. In [K1] the continuity of this function is investigated. However, contrary to the theorem stated there, the function ϕ need not be continuous under the assumptions given in the theorem. Suitable examples are shown in this paper....
On semigroups of continuous transformations on fuzzily structured sets.
On semigroups with an infinitesimal operator
Let be an iteration semigroup of linear continuous set-valued functions. If the semigroup has an infinitesimal operator then it is a uniformly continuous semigroup majorized by an exponential semigroup. Moreover, for sufficiently small t every linear selection of is invertible and there exists an exponential semigroup of linear continuous selections of .
On semi-homeomorphisms.
On semi-uniformities
On separability in semi-stratifiable spaces
On separable supports of Borel measures.
On separation and approximation of real functions defined on a Choquet simplex
On separation axioms in intuitionistic topological spaces.
On separation of lattices.
On Sequence-covering mssc-images of Locally Separable Metric Spaces
On sequence-covering --images of locally separable metric spaces