New coincidence and common fixed point theorems are proved for families of multivalued
map**s on partially ordered sets. The obtained results generalize some recent authors' …

Представлены теоремы об общих неподвижных точках и точках совпадения семейств
многозначных отображений упорядоченных множеств, обобщающие соответствующие …

В топологии известны результаты о сохранении в процессе гомотопии свойства
отображения некоторых пространств в себя иметь неподвижную точку, если число …

In this paper sufficient conditions are presented for the least element existence in the
common fixed point set of a family of multivalued map**s on ordered sets. The problem of …

In problems of topology and analysis, well-known theorem on the preservation by any
continuous homotopy of the property of a map** to have a fixed point and the property of a …

We present theorems on common fixed points and coincidences for families of multi-valued
map**s of ordered sets. This generalizes some recent results of the author and …

The article develops results of the authors' previous papers on the topic. The notion of the
homotopy of a multivalued map** of an ordered set is introduced. We study the problem …

In the case of Banach spaces, there are theorems stating the invariance of the fixed point
property of map**s under a homotopy. In this paper, we consider this problem in the case …

The paper is devoted to the problem of the existence of common fixed points and
coincidence points of a family of set-valued maps of ordered sets. Fixed-point and …

In topology, there are known results on preservation of the fixed point existence property
under any homotopy of self-map**s on some spaces in the event that the initial map** …