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Automorphisms of the lattice of equational theories of commutative semigroups
Author(s):
Mariusz
Grech
Journal:
Trans. Amer. Math. Soc.
361
(2009),
3435-3462.
MSC (2000):
Primary 03C07;
Secondary 03C05, 08B15
Posted:
February 23, 2009
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Abstract:
In this paper we complete the study of the first-order definability in the lattice of equational theories of commutative semigroups started by A. Kisielewicz in [Trans. Amer. Math. Soc. 356 (2004), 3483-3504]. We describe the group of automorphisms of this lattice and characterize first-order definable theories, thus solving the problems posed by R. McKenzie and A. Kisielewicz.
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Additional Information:
Mariusz
Grech
Affiliation:
Institute of Mathematics, University of Wrocław, pl. Grunwaldzki 2, 50-384 Wrocław, Poland
Email:
Mariusz.Grech@math.uni.wroc.pl
DOI:
10.1090/S0002-9947-09-04849-1
PII:
S 0002-9947(09)04849-1
Received by editor(s):
May 15, 2006
Posted:
February 23, 2009
Copyright of article:
Copyright
2009,
American Mathematical Society
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