Results 11 to 20 of about 382,533 (273)

Topological Additively Representable Semigroups

Journal of Mathematical Analysis and Applications, 1997
AbstractWe analyze the structure of nontrivial totally ordered connected topological semigroups (S,+,≲), and prove that they are homeomorphic, algebraically isomorphic, and isotonic to one of the following continua: ((a,∞),+,≤), ([a,∞),+,≤), (a≥0) ((−∞,b),+,≤), ((−∞,b],+,≤), (b≤0) or (R,+,≤), all considered as subsets of the totally ordered group of ...
Juan C. Candeal, Juan R. De Miguel, Esteban Induráin   +2 more
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On locally compact semitopological O-bisimple inverse ω-semigroups

Topological Algebra and its Applications, 2018
We describe the structure of Hausdorff locally compact semitopological O-bisimple inverse ω- semigroups with compact maximal subgroups. In particular, we show that a Hausdorff locally compact semitopological O-bisimple inverse ω-semigroup with a compact ...
Gutik Oleg
doaj   +3 more sources

Existence of a utility on a topological semigroup [PDF]

Theory and Decision, 1976
This paper presents a comprehensive mathematical framework in which a unified treatment of additive and expected utility can be given. For achieving this, elaborate structural assumptions, characterizing a simply ordered, topological semigroup, have to be established in order to construct an isomorphism with the additive group of real numbers.
H. Gottinger
semanticscholar   +4 more sources

Construction functors for topological semigroups [PDF]

Pacific Journal of Mathematics, 1975
T.T. Bowman
openalex   +5 more sources

Topological semigroups and representations. I [PDF]

Transactions of the American Mathematical Society, 1974
James C. S. Wong
openalex   +3 more sources

On locally compact shift continuous topologies on the semigroup $\boldsymbol{B}_{[0,\infty)}$ with an adjoined compact ideal

Matematychni Studii
Let $[0,\infty)$ be the set of all non-negative real numbers. The set $\boldsymbol{B}_{[0,\infty)}=[0,\infty)\times [0,\infty)$ with the following binary operation $(a,b)(c,d)=(a+c-\min\{b,c\},b+d-\min\{b,c\})$ is a bisimple inverse semigroup.
O. V. Gutik, M. B. Khylynskyi
exaly   +3 more sources

EMBEDDINGS OF TOPOLOGICAL SEMIGROUPS IN TOPOLOGICAL GROUPS AND SEMIGROUP-VALUED MEASURES [PDF]

Demonstratio Mathematica, 1981
Lech Drewnowski
openalex   +3 more sources

A generalization of amenability for topological semigroups and semigroup algebras

Hacettepe Journal of Mathematics and Statistics, 2016
In this paper for two topological semigroups $S$ and $T$, and a continuous homomorphism $\varphi$ from $S$ into $T$, we introduce and study the concept of $(\varphi, T)$-derivations on $S$ and $\varphi$-amenability of $T$ and investigate the relations between these two concepts. For two Banach algebras $A$ and $B$ and a continuous homomorphism $\varphi$
M. Lashkarezadeh Bami
openalex   +6 more sources

The α-bicyclic semigroup as a topological semigroup [PDF]

Semigroup Forum, 1984
J. W. Hogan
semanticscholar   +2 more sources

The Upper Capacity Topological Entropy of Free Semigroup Actions for Certain Non-compact Sets [PDF]

Journal of statistical physics, 2021
In this paper, we first introduce some new notions of ‘periodic-like’ points, such as almost periodic points, weakly almost periodic points, quasi-weakly almost periodic points, of free semigroup actions.
Li Zhu, Dongkui Ma
semanticscholar   +2 more sources