Four-spiral semigroup
id:
four-spiral-semigroup-245-6805860
title:
Four-spiral semigroup
text:
In mathematics, the four-spiral semigroup is a special semigroup generated by four idempotent elements. This special semigroup was first studied by Karl Byleen in a doctoral dissertation submitted to the University of Nebraska in 1977. It has several interesting properties: it is one of the most important examples of bi-simple but not completely-simple semigroups; it is also an important example of a fundamental regular semigroup; it is an indispensable building block of bisimple, idempotent-gen
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Four-spiral_semigroup
date created:
date modified:
2020-04-10T19:49:28Z
main entity:
{"identifier":"Q17097908","url":"https://www.wikidata.org/entity/Q17097908"}
image:
fields total:
13
integrity:
13