On a simple one-element extension of left zero semigroups

Sin Min Lee

Commentationes Mathematicae Universitatis Carolinae (1980)

  • Volume: 021, Issue: 2, page 313-318
  • ISSN: 0010-2628

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Lee, Sin Min. "On a simple one-element extension of left zero semigroups." Commentationes Mathematicae Universitatis Carolinae 021.2 (1980): 313-318. <http://eudml.org/doc/17036>.

@article{Lee1980,
author = {Lee, Sin Min},
journal = {Commentationes Mathematicae Universitatis Carolinae},
keywords = {rigid groupoid; variety of groupoids; simple groupoids},
language = {eng},
number = {2},
pages = {313-318},
publisher = {Charles University in Prague, Faculty of Mathematics and Physics},
title = {On a simple one-element extension of left zero semigroups},
url = {http://eudml.org/doc/17036},
volume = {021},
year = {1980},
}

TY - JOUR
AU - Lee, Sin Min
TI - On a simple one-element extension of left zero semigroups
JO - Commentationes Mathematicae Universitatis Carolinae
PY - 1980
PB - Charles University in Prague, Faculty of Mathematics and Physics
VL - 021
IS - 2
SP - 313
EP - 318
LA - eng
KW - rigid groupoid; variety of groupoids; simple groupoids
UR - http://eudml.org/doc/17036
ER -

References

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  1. G. BIRKHOFF, Lattice theory, Amer. Math. Soc. Colloq. Publ. No. 25, 3rd Edition (Providence, 1967). (1967) Zbl0153.02501MR0227053
  2. A. H. CLIFFORD G. B. PRESTON, The algebraic theory of semigroups, vol. 1, Amer. Math. Soc., Providence, 1962. (1962) 
  3. LEE SIN-MIN, On a simple one-element extension of countable and finite n-groupoids, (to appear). 
  4. LEE SIN-MIN, SEIN-AYE, On simple groupoids, Nanta Math. 8 (1975), 30-33. (1975) MR0417317
  5. W. TAYLOR, Residually small varieties, Algebra Universalis 2 (1972), 33-53. (1972) Zbl0263.08005MR0314726

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