1965, [1st ed.]., International series of monographs in pure and applied mathematics, Volume 82., xiii, 353

Book

1972, Publications mathématiques d'Orsay., 1 v. (various pagings)

Book

Frontiers of Mathematics in China, ISSN 1673-3452, 12/2013, Volume 8, Issue 6, pp. 1391 - 1405

The investigation of U-ample ω-semigroups is initiated. After obtaining some properties of such semigroups, a structure of U-ample ω-semigroups is established....

Ehresmann semigroups | Bisimple inverse ω -semigroups | Mathematics, general | 20M10 | Mathematics | 20M30 | weakly U -abundant semigroups | U -ample ω -semigroups | U-ample ω-semigroups | weakly U-abundant semigroups | Bisimple inverse ω-semigroups

Ehresmann semigroups | Bisimple inverse ω -semigroups | Mathematics, general | 20M10 | Mathematics | 20M30 | weakly U -abundant semigroups | U -ample ω -semigroups | U-ample ω-semigroups | weakly U-abundant semigroups | Bisimple inverse ω-semigroups

Journal Article

Fixed Point Theory and Applications, ISSN 1687-1820, 12/2012, Volume 2012, Issue 1, pp. 1 - 14

The purpose of this article is to modify the Halpern-Mann-type iteration algorithm for total quasi-ϕ-asymptotically nonexpansive semigroups to have the strong...

Mathematical and Computational Biology | relatively nonexpansive semigroups | quasi- ϕ -symptotically nonexpansive semigroups | Mathematics | Topology | quasi- ϕ -nonexpansive semigroups | generalized projection | Analysis | Mathematics, general | modified Halpern-Mann-type iteration | Applications of Mathematics | Differential Geometry | total quasi- ϕ -symptotically nonexpansive semigroups | Quasi-φ-nonexpansive semigroups | Quasi-φ-symptotically nonexpansive semigroups | Modified Halpern-Mann-type iteration | Relatively nonexpansive semigroups | Total quasi-φ-symptotically nonexpansive semigroups | Generalized projection

Mathematical and Computational Biology | relatively nonexpansive semigroups | quasi- ϕ -symptotically nonexpansive semigroups | Mathematics | Topology | quasi- ϕ -nonexpansive semigroups | generalized projection | Analysis | Mathematics, general | modified Halpern-Mann-type iteration | Applications of Mathematics | Differential Geometry | total quasi- ϕ -symptotically nonexpansive semigroups | Quasi-φ-nonexpansive semigroups | Quasi-φ-symptotically nonexpansive semigroups | Modified Halpern-Mann-type iteration | Relatively nonexpansive semigroups | Total quasi-φ-symptotically nonexpansive semigroups | Generalized projection

Journal Article

Information Sciences, ISSN 0020-0255, 2005, Volume 171, Issue 1, pp. 13 - 28

Given a set S, a fuzzy subset of S is, by definition, an arbitrary mapping f: S→[0,1] where [0,1] is the unit segment of the real line. If the set S bears some...

Strongly regular ordered semigroups | Congruence | Completely regular | Ideal | Regular | Fuzzy subsemigroup | Semilattice congruence | Filter | Left (right) simple | Fuzzy bi-ideal in an ordered semigroup | Semiprime elements in ordered semigroups | Left (right) ideal | Semilattices of left and right simple semigroups in ordered semigroups | Complete semilattice congruences on an ordered semigroup | Duo | completely regular | fuzzy subsemigroup | ideal | COMPUTER SCIENCE, INFORMATION SYSTEMS | PRIME IDEALS | congruence | fuzzy bi-ideal in an ordered semigroup | POE-SEMIGROUPS | filter | complete semilattice congruences on an ordered semigroup | semilattices of left and right simple semigroups in ordered semigroups | SETS | left (right) ideal | strongly regular ordered semigroups | semilattice congruence | left (right) simple | semiprime elements in ordered semigroups | regular | duo

Strongly regular ordered semigroups | Congruence | Completely regular | Ideal | Regular | Fuzzy subsemigroup | Semilattice congruence | Filter | Left (right) simple | Fuzzy bi-ideal in an ordered semigroup | Semiprime elements in ordered semigroups | Left (right) ideal | Semilattices of left and right simple semigroups in ordered semigroups | Complete semilattice congruences on an ordered semigroup | Duo | completely regular | fuzzy subsemigroup | ideal | COMPUTER SCIENCE, INFORMATION SYSTEMS | PRIME IDEALS | congruence | fuzzy bi-ideal in an ordered semigroup | POE-SEMIGROUPS | filter | complete semilattice congruences on an ordered semigroup | semilattices of left and right simple semigroups in ordered semigroups | SETS | left (right) ideal | strongly regular ordered semigroups | semilattice congruence | left (right) simple | semiprime elements in ordered semigroups | regular | duo

Journal Article

MICHIGAN MATHEMATICAL JOURNAL, ISSN 0026-2285, 2019, Volume 68, Issue 3, pp. 505 - 526

In this paper, we study holomorphic semicocycles over semigroups in the unit disk, which take values in an arbitrary unital Banach algebra. We prove that every...

MATHEMATICS | COCYCLES | SEMIGROUPS

MATHEMATICS | COCYCLES | SEMIGROUPS

Journal Article

Nonlinear Analysis: Real World Applications, ISSN 1468-1218, 06/2017, Volume 35, pp. 265 - 291

Let Ω⊆R2 be an open domain with fractal boundary ∂Ω. We define a proper, convex and lower semicontinuous functional on the space X2(Ω,∂Ω):=L2(Ω,dx)×L2(∂Ω,dμ),...

Nonlocal boundary conditions | Venttsel’ boundary conditions | Ultracontractivity for nonlinear semigroups | Nonlinear [formula omitted]-semigroups | Nonlinear energy forms on fractals | A priori estimates | Nonlinear C | semigroups | MATHEMATICS, APPLIED | Nonlinear Co-semigroups | EQUATIONS | Venttsel' boundary conditions | SEMIGROUPS | SOBOLEV SPACES | CURVE | DIRICHLET FORMS | OPERATORS

Nonlocal boundary conditions | Venttsel’ boundary conditions | Ultracontractivity for nonlinear semigroups | Nonlinear [formula omitted]-semigroups | Nonlinear energy forms on fractals | A priori estimates | Nonlinear C | semigroups | MATHEMATICS, APPLIED | Nonlinear Co-semigroups | EQUATIONS | Venttsel' boundary conditions | SEMIGROUPS | SOBOLEV SPACES | CURVE | DIRICHLET FORMS | OPERATORS

Journal Article

Communications in Algebra, ISSN 0092-7872, 04/2014, Volume 42, Issue 4, pp. 1811 - 1834

The restriction semigroups, in both their one-sided and two-sided versions, have arisen in various fashions, meriting study for their own sake. From one...

P-Restriction semigroup | Regular -semigroup | Restriction semigroup | MATHEMATICS | INVERSE-SEMIGROUPS | INVOLUTION | CATEGORIES | REGULAR-SEMIGROUPS | Algebra

P-Restriction semigroup | Regular -semigroup | Restriction semigroup | MATHEMATICS | INVERSE-SEMIGROUPS | INVOLUTION | CATEGORIES | REGULAR-SEMIGROUPS | Algebra

Journal Article

JOURNAL OF THE KOREAN MATHEMATICAL SOCIETY, ISSN 0304-9914, 09/2019, Volume 56, Issue 5, pp. 1159 - 1172

A semigroup S is called a weakly abundant semigroup if its every (L) over tilde -class and every (R) over tilde -class contains an idempotent. Our purpose is...

weakly abundant semigroups | MATHEMATICS | type Q semigroups | MATHEMATICS, APPLIED | left quasi-abundant semigroups | weak spined products

weakly abundant semigroups | MATHEMATICS | type Q semigroups | MATHEMATICS, APPLIED | left quasi-abundant semigroups | weak spined products

Journal Article

Semigroup Forum, ISSN 0037-1912, 6/2014, Volume 88, Issue 3, pp. 610 - 620

We characterize Cohen-Macaulay and Gorenstein rings obtained from certain types of convex body semigroups. Algorithmic methods to check if a polygonal or...

Gorenstein ring | Gorenstein semigroup | Algebra | Mathematics | Affine non normal semigroup | Cohen-Macaulay ring | Convex body semigroup | Polygonal semigroup | Cohen-Macaulay semigroup | Circle semigroup | MATHEMATICS | AFFINE SEMIGROUPS

Gorenstein ring | Gorenstein semigroup | Algebra | Mathematics | Affine non normal semigroup | Cohen-Macaulay ring | Convex body semigroup | Polygonal semigroup | Cohen-Macaulay semigroup | Circle semigroup | MATHEMATICS | AFFINE SEMIGROUPS

Journal Article

2016, Second edition., London Mathematical Society lecture note series, ISBN 9781316620861, Volume 434., xvi, 331 pages

A careful and accessible exposition of a functional analytic approach to initial boundary value problems for semilinear parabolic differential equations, with...

Semigroups | Differential equations, Parabolic | Boundary value problems

Semigroups | Differential equations, Parabolic | Boundary value problems

Book

Proceedings - Mathematical Sciences, ISSN 0253-4142, 9/2019, Volume 129, Issue 4, pp. 1 - 13

In probability theory, often in connection with problems on weak convergence, and also in other contexts, convolution equations of the form $$\sigma *\mu =\mu...

topological semigroups | Convolution equation | completely simple semigroups | 60B99 | Mathematics, general | abelian semigroups | Mathematics | weak convergence

topological semigroups | Convolution equation | completely simple semigroups | 60B99 | Mathematics, general | abelian semigroups | Mathematics | weak convergence

Journal Article

Filomat, ISSN 0354-5180, 1/2016, Volume 30, Issue 10, pp. 2771 - 2780

In this paper, we first define various types of 𝑘-regularity of ordered semigroups and various types of 𝑘-Archimedness of ordered semigroups. Also, we define...

Integers | Semigroups

Integers | Semigroups

Journal Article

Journal of Algebra, ISSN 0021-8693, 11/2018, Volume 513, pp. 344 - 367

It is known that an Ehresmann monoid P(T,Y) may be constructed from a monoid T acting via order-preserving maps on both sides of a semilattice Y with identity,...

Adequate monoid | Expansion | Ehresmann monoid | MATHEMATICS | RESTRICTION SEMIGROUPS | INVERSE-SEMIGROUPS

Adequate monoid | Expansion | Ehresmann monoid | MATHEMATICS | RESTRICTION SEMIGROUPS | INVERSE-SEMIGROUPS

Journal Article

Journal of Algebra and its Applications, ISSN 0219-4988, 11/2018, Volume 17, Issue 11

Journal Article

Discrete Mathematics, ISSN 0012-365X, 12/2017, Volume 340, Issue 12, pp. 2853 - 2863

Let ng be the number of numerical semigroups of genus g. We present an approach to compute ng by using even gaps, and the question: Is it true that ng+1>ng? is...

Numerical semigroup | Even gap | [formula omitted]-hyperelliptic semigroup | [formula omitted] sequence | Genus | sequence | γ-hyperelliptic semigroup | DOUBLES | NUMBER | DOUBLE COVERINGS | FROBENIUS | CURVES | MATHEMATICS | WEIERSTRASS SEMIGROUPS | gamma-hyperelliptic semigroup | POINTS | WEIGHT | f(gamma) sequence

Numerical semigroup | Even gap | [formula omitted]-hyperelliptic semigroup | [formula omitted] sequence | Genus | sequence | γ-hyperelliptic semigroup | DOUBLES | NUMBER | DOUBLE COVERINGS | FROBENIUS | CURVES | MATHEMATICS | WEIERSTRASS SEMIGROUPS | gamma-hyperelliptic semigroup | POINTS | WEIGHT | f(gamma) sequence

Journal Article

Communications in Algebra, ISSN 0092-7872, 07/2019, Volume 47, Issue 7, pp. 2941 - 2953

This paper enriches the list of properties of the congruence sequences starting from the universal relation and successively performing the operations of lower...

semigroup for which | Completely regular semigroup | semigroup for which κ is over rectangular bands | congruence | is a cryptogroup | semigroup for which is a cryptogroup | MATHEMATICS | semigroup for which kappa is over rectangular bands | Mathematics - Group Theory

semigroup for which | Completely regular semigroup | semigroup for which κ is over rectangular bands | congruence | is a cryptogroup | semigroup for which is a cryptogroup | MATHEMATICS | semigroup for which kappa is over rectangular bands | Mathematics - Group Theory

Journal Article

2007, ISBN 9789812707383, x, 277

Book

Communications in Algebra, ISSN 0092-7872, 02/2018, Volume 46, Issue 2, pp. 480 - 493

As a generalization of left inverse semigroups in the class of regular semigroups, we consider a class of semigroups which we name -inverse semigroups. After...

U-abundant semigroups | left circle products | ℒ̃-inverse semigroups | 20M10 | weakly U-ample semigroups

U-abundant semigroups | left circle products | ℒ̃-inverse semigroups | 20M10 | weakly U-ample semigroups

Journal Article

Communications in Algebra, ISSN 0092-7872, 02/2018, Volume 46, Issue 2, pp. 480 - 493

As a generalization of left inverse semigroups in the class of regular semigroups, we consider a class of semigroups which we name [Formula omitted.] -inverse...

U-abundant semigroups | left circle products | weakly U-ample semigroups | ℒ̃-inverse semigroups

U-abundant semigroups | left circle products | weakly U-ample semigroups | ℒ̃-inverse semigroups

Journal Article

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