Subsemigroup structure of finite transformation semigroups.
Both necessary conditions and sufficient conditions in order that a subset of a finite transformation semigroup be a subsemigroup are developed in this paper. The existence of several subsemigroups of various orders is established. Also, some results concerning idem- potents and generators of idempo...
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Monterey, California ; Naval Postgraduate School
2012
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ndltd-nps.edu-oai-calhoun.nps.edu-10945-151872014-11-27T16:11:09Z Subsemigroup structure of finite transformation semigroups. Higgins, James Charles III Mathematics Both necessary conditions and sufficient conditions in order that a subset of a finite transformation semigroup be a subsemigroup are developed in this paper. The existence of several subsemigroups of various orders is established. Also, some results concerning idem- potents and generators of idempotents are proved. Then certain classes of subsemigroups are defined according to their idempotent structure and isomorphisms are demonstrated between these classes. Examples from the transformation semigroup on three elements are supplied throughout the paper 2012-11-01T22:55:47Z 2012-11-01T22:55:47Z 1970-06 Thesis http://hdl.handle.net/10945/15187 ocm640297481 en_US Monterey, California ; Naval Postgraduate School |
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en_US |
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description |
Both necessary conditions and sufficient conditions in order that a subset of a finite transformation semigroup be a subsemigroup are developed in this paper. The existence of several subsemigroups of various orders is established. Also, some results concerning idem- potents and generators of idempotents are proved. Then certain classes of subsemigroups are defined according to their idempotent structure and isomorphisms are demonstrated between these classes. Examples from the transformation semigroup on three elements are supplied throughout the paper |
author2 |
Mathematics |
author_facet |
Mathematics Higgins, James Charles III |
author |
Higgins, James Charles III |
spellingShingle |
Higgins, James Charles III Subsemigroup structure of finite transformation semigroups. |
author_sort |
Higgins, James Charles III |
title |
Subsemigroup structure of finite transformation semigroups. |
title_short |
Subsemigroup structure of finite transformation semigroups. |
title_full |
Subsemigroup structure of finite transformation semigroups. |
title_fullStr |
Subsemigroup structure of finite transformation semigroups. |
title_full_unstemmed |
Subsemigroup structure of finite transformation semigroups. |
title_sort |
subsemigroup structure of finite transformation semigroups. |
publisher |
Monterey, California ; Naval Postgraduate School |
publishDate |
2012 |
url |
http://hdl.handle.net/10945/15187 |
work_keys_str_mv |
AT higginsjamescharlesiii subsemigroupstructureoffinitetransformationsemigroups |
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1716722391045898240 |