Results 131 to 140 of about 17,862 (236)

Representations of inverse semigroups in complete atomistic inverse meet-semigroups

open access: yes, 2020
As an appropriate generalisation of the features of the classical (Schein) theory of representations of inverse semigroups in I , a theory of representations of inverse semigroups by homomorphisms into complete atomistic inverse ∧-semigroups is developed.
Desmond FitzGerald (14736574)
core  

Ideals and finiteness conditions for subsemigroups

open access: yes, 2013
In this paper we consider a number of finiteness conditions for semigroups related to their ideal structure, and ask whether such conditions are preserved by sub- or supersemigroups with finite Rees or Green index. Specific properties under consideration
Ruskuc, N.   +7 more
core   +1 more source

gap-packages/Semigroups: 3.0.2

open access: yes, 2017
<p>This is an minor release fixing some minor issues in the last<br> release. </p> <p>The following issues were resolved:</p> <p>* [Issue 330](https://github.com/gap-packages/Semigroups/issues/330 ...
Torpey, Michael   +51 more
core   +1 more source

A class of abstract quasi-linear evolution equations of second order

open access: yes, 1999
In this paper we study the abstract quasi-linear evolution equation of second order formula here in a general banach space z. it is well-known that the abstract quasi-linear theory due to kato [10, 11] is widely applicable to quasi-linear partial ...
NAOKI TANAKA, Tanaka, Naoki
core   +1 more source

Some further classes of pseudo-differential operators in the p-adic context and their applications. [PDF]

open access: yesJ Pseudodiffer Oper Appl, 2023
Torresblanca-Badillo A   +1 more
europepmc   +1 more source

On maximal subgroups of free idempotent generated semigroups

open access: yes, 2011
We prove the following results: (1) Every group is a maximal subgroup of some free idempotent generated semigroup. (2) Every finitely presented group is a maximal subgroup of some free idempotent generated semigroup arising from a finite semigroup.
Ruskuc, N.   +5 more
core   +1 more source

A photon transport problem with a time-dependent point source

open access: yes, 2009
We consider a time-dependent problem of photon transport in an interstellar cloud with a point photon source modeled by a Dirac δ functional. The existence of a unique distributional solution to this problem is established by using the theory of ...
McBride, A.C.   +2 more
core   +1 more source

THE DUALITY OF THE L?-REPRESENTATION ALGEBRA ?(S ) OF A FOUNDATION SEMIGROUP S AND FUNCTION ALGEBRAS [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2000
In the present paper for a large family of topological semigroups, namely foundation semigroups, for which topological groups and discrete semigroups are elementary examples, it is shown that ?(S) is the dual of a function algebra.
doaj  

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