We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
A tribute to Mario Petrich.
- Authors
Szendrei, Mária B.; Silva, Pedro V.
- Abstract
Such situations lead naturally to the operators HT <math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mi mathvariant="script">V</mi><mo> </mo><msub><mi mathvariant="script">V</mi><msub><mi> </mi><mi mathvariant="script">P</mi></msub></msub></mrow></math> ht and HT <math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mi mathvariant="script">V</mi><mo> </mo><msup><mi mathvariant="script">V</mi><msub><mi> </mi><mi mathvariant="script">P</mi></msub></msup></mrow></math> ht on HT <math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mi mathvariant="script">L</mi><mo stretchy="false">(</mo><mi mathvariant="script">CR</mi><mo stretchy="false">)</mo></mrow></math> ht . In [[44]], Mario introduces a generalization of the systems of the words HT <math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><msub><mi>G</mi><mi>n</mi></msub><mo>,</mo><mspace width="0.166667em" /><msub><mi>H</mi><mi>n</mi></msub></mrow></math> ht , HT <math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>I</mi><mi>n</mi></msub></math> ht HT <math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mo stretchy="false">(</mo><mi>n</mi><mo»=</mo><mn>2</mn><mo stretchy="false">)</mo></mrow></math> ht (see (1)) in the signature of completely regular semigroups, and calls the varieties of left and right normal orthogroups together with the varieties defined by any one of the generalized versions of the identities in (1) I canonical varieties i .
- Subjects
SEMILATTICES; PARTIALLY ordered sets; QUOTIENT rings
- Publication
Semigroup Forum, 2022, Vol 104, Issue 1, p1
- ISSN
0037-1912
- Publication type
Article
- DOI
10.1007/s00233-021-10235-5