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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
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
Journal Article
Nonlinear Analysis: Real World Applications, ISSN 1468-1218, 06/2017, Volume 35, pp. 265 - 291
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
Journal Article
by Ji, ZL and Ren, XM and Wang, YH
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
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
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
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
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
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
Journal Article
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
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
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 -inverse semigroups. After... 
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
Journal Article
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