Rank and idempotent rank of finite full transformation semigroups with restricted range

Let T(X) be the full transformation semigroup on the set X and let T(X,Y) be the semigroup consisting of all total transformations from X into a fixed nonempty subset Y of X. In 2011, Sanwong studied the regular part F(X,Y) = {α ∈ T(X,Y):Xα ⊆ Y α}, of T(X,Y) and described its Green's relations...

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Main Authors: Worachead Sommanee, Jintana Sanwong
Format: Journal
Published: 2018
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http://cmuir.cmu.ac.th/jspui/handle/6653943832/52748
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-527482018-09-04T09:31:29Z Rank and idempotent rank of finite full transformation semigroups with restricted range Worachead Sommanee Jintana Sanwong Mathematics Let T(X) be the full transformation semigroup on the set X and let T(X,Y) be the semigroup consisting of all total transformations from X into a fixed nonempty subset Y of X. In 2011, Sanwong studied the regular part F(X,Y) = {α ∈ T(X,Y):Xα ⊆ Y α}, of T(X,Y) and described its Green's relations and ideals. In this paper, we compute the rank of F(X,Y) when X is a finite set. Moreover, we obtain the rank and idempotent rank of its ideals. © 2013 Springer Science+Business Media New York. 2018-09-04T09:31:29Z 2018-09-04T09:31:29Z 2013-08-01 Journal 00371912 2-s2.0-84880590197 10.1007/s00233-013-9467-x https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84880590197&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/52748
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Mathematics
spellingShingle Mathematics
Worachead Sommanee
Jintana Sanwong
Rank and idempotent rank of finite full transformation semigroups with restricted range
description Let T(X) be the full transformation semigroup on the set X and let T(X,Y) be the semigroup consisting of all total transformations from X into a fixed nonempty subset Y of X. In 2011, Sanwong studied the regular part F(X,Y) = {α ∈ T(X,Y):Xα ⊆ Y α}, of T(X,Y) and described its Green's relations and ideals. In this paper, we compute the rank of F(X,Y) when X is a finite set. Moreover, we obtain the rank and idempotent rank of its ideals. © 2013 Springer Science+Business Media New York.
format Journal
author Worachead Sommanee
Jintana Sanwong
author_facet Worachead Sommanee
Jintana Sanwong
author_sort Worachead Sommanee
title Rank and idempotent rank of finite full transformation semigroups with restricted range
title_short Rank and idempotent rank of finite full transformation semigroups with restricted range
title_full Rank and idempotent rank of finite full transformation semigroups with restricted range
title_fullStr Rank and idempotent rank of finite full transformation semigroups with restricted range
title_full_unstemmed Rank and idempotent rank of finite full transformation semigroups with restricted range
title_sort rank and idempotent rank of finite full transformation semigroups with restricted range
publishDate 2018
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84880590197&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/52748
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