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▫$\cal L$▫- and ▫$\cal R$▫-cross-sections in the Brauer semigroupKudryavtseva, Ganna ; Maltcev, Victor ; Mazorchuk, VolodymyrWe classify all cross-sections of Green's relations ▫$\mathcal{L}$▫ and ▫$\mathcal{R}$▫ in the Brauer semigroup. The regular behavior of such cross-sections starts from ▫$n=7$▫. We show that in the ... regular case there are essentially two different cross-sections and all others are ▫$\mathcal{S}_n$▫-conjugated to one of these two. We also classify all cross-sections up to isomorphism.Source: Semigroup forum. - ISSN 0037-1912 (Vol. 72, no. 2, 2006, str. 223-248)Type of material - article, component partPublish date - 2006Language - englishCOBISS.SI-ID - 874235
Author
Kudryavtseva, Ganna |
Maltcev, Victor |
Mazorchuk, Volodymyr
Topics
matematika |
algebra |
polgrupe transformacij |
prečni prerezi |
Brauerjeva polgrupa |
Greenove relacije |
ekvivalence |
mathematics |
algebra |
semigroups of transformations |
cross-sections |
Brauer semigroups |
Green relations |
equivalences
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Kudryavtseva, Ganna | 30109 |
Maltcev, Victor | |
Mazorchuk, Volodymyr |
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