Results 91 to 100 of about 16,137 (198)

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

open access: yesJournal 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  

Sombor topological indices for different nanostructures. [PDF]

open access: yesHeliyon, 2023
Imran M   +4 more
europepmc   +1 more source

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

open access: yesAnalele 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.   +2 more
doaj   +1 more source

UNIVERSAL COMPACTIFICATIONS OF TRANSFORMATION SEMIGROUPS [PDF]

open access: yesJournal 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  

Topological Semigroups and Representations [PDF]

open access: yesTransactions of the American Mathematical Society, 1974
openaire   +1 more source

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