H- and R-cross-sections of the full finite semigroup Tn

• Published in: Algebra and Discrete Mathematics
• Date: 2003
• Main Author: Pyekhtyeryev, V.
• Format: Article
• Language: English
• Published: Інститут прикладної математики і механіки НАН України 2003
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/155692
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: H- and R-cross-sections of the full finite semigroup Tn / V. Pyekhtyeryev // Algebra and Discrete Mathematics. — 2003. — Vol. 2, № 3. — С. 82–88. — Бібліогр.: 4 назв. — англ.

All H− and R− cross-sections of the full finite
 semigroup Tn of all transformations of the set N = {1, 2, . . . , n}
 are described.