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Title Transcription
カンゼン セイソク ハングン ノ ブブン チョクセキ ニツイテ 2,3 ノ チュウイ
Title Alternative (English)
Some Remarks on Subdirect Products of Compretely Regular Semigroups
File
language
eng
Author
Yamada, Miyuki
Description
In this paper, the concept of a subspined product of completely regular semigroups are introduced. Firstly, we give a necessary and sufficient condition for a subspined product A[#45度]B of cryptogroups A and B to be also a cryptogroup. Secondly, it is shown that a subspined product A [#45度] B is necessarily a cryptogroup if one of A and B is a band and the other is a cryptogroup. It is also shown that any subspined product A ~ B coincides with the spined product A 〓 B if one of A and B is a Clifford semrgroup and the other is a band.
Finally, the concept of a subspined product is extended to the concept of a P-subspined product for the class of completely P-regular semigroups, and some considerations are given for P-subspined products of P-cryptogroups.
Journal Title
Memoirs of the Faculty of Science, Shimane University
Volume
23
Start Page
11
End Page
15
ISSN
03879925
Published Date
1989-12-25
NCID
AN00108106
Publisher
島根大学理学部
Publisher Aalternative
The Faculty of Science, Shimane University
NII Type
Departmental Bulletin Paper
OAI-PMH Set
Faculty of Science and Engineering
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