Results 111 to 120 of about 420,934 (251)

Right simple subsemigroups and right subgroups of compact convergence semigroups

International Journal of Mathematics and Mathematical Sciences, 2000
Clifford and Preston (1961) showed several important characterizations of right groups. It was shown in Roy and So (1998) that, among topological semigroups, compact right simple or left cancellative semigroups are in fact right groups, and the closure ...
Phoebe Ho, Shing S. So
doaj   +1 more source

Existence of a utility on a topological semigroup

, 1975
Gottinger HW. Existence of a utility on a topological semigroup. Working Papers. Institute of Mathematical Economics. Vol 25.
Gottinger, Hans Werner
core  

On a Semigroup Problem II

, 2020
We consider the following semigroup problem: is the closure of a semigroup S in a topological vector space X a group when S does not lie on “one side” of any closed hyperplane of X?
Andrew Torok, Viorel Nitica
core   +1 more source

CHARACTERIZATIONS OF EXTREMELY AMENABLE FUNCTION ALGEBRAS ON A SEMIGROUP [PDF]

Journal of Sciences, Islamic Republic of Iran, 1993
Let S be a semigroup. In certain cases we give some characterizations of extreme amenability of S and we show that in these cases extreme left amenability and extreme right amenability of S are equivalent.
doaj  

Free topological semigroups and embedding topological semigroups in topological groups [PDF]

Pacific Journal of Mathematics, 1970
openaire   +3 more sources

Quotient of Topological Ternary Semigroup

In this paper we introduce a quotient structure on topological ternary semigroup by defining a congruence suitably. We have found conditions under which this quotient structure becomes a topological ternary semigroup.
Samanta, S., Jana, S., Kar, S.
core  

The topology of the generic polar curve and the Zariski invariant for branches of genus one

Analele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica
We study, for plane complex branches of genus one, the topological type of its generic polar curve, as a function of the semigroup of values and the Zariski invariant of the branch.
García Barroso Evelia R., Hernandess Marcelo E., Fernando Hernández Iglesias M.   +2 more
doaj   +1 more source

Graphical Homotopy Theory for Intersection Graphs of Semigroups via Path Spaces and Uniform Structures with Applications to Graphical Total Semigroups

Mathematics
In this article, we study the homotopy aspects of intersection graphs of topological semigroups. We begin by defining the top intersection graph TGX and investigating how the algebraic and topological properties of a topological semigroup are reflected ...
Maryam F. Alshammari, Fozaiyah Alhubairah, Amin Saif   +2 more
doaj   +1 more source

Topological Semigroups and Representations [PDF]

Transactions of the American Mathematical Society, 1974
openaire   +1 more source

UNIVERSAL COMPACTIFICATIONS OF TRANSFORMATION SEMIGROUPS [PDF]

Journal of Sciences, Islamic Republic of Iran, 2000
We extend the notion of semigroup compactification to the class of transformation semigroups, and determine the compactifications which are universal with respect to some topological properties.
doaj