English

Tolerances as images of congruences in varieties defined by linear identities

Rings and Algebras 2014-04-08 v1

Abstract

An identity s=t is linear if each variable occurs at most once in each of the terms s and t. Let T be a tolerance relation of an algebra A in a variety defined by a set of linear identities. We prove that there exist an algebra B in the same variety and a congruence Theta of B such that a homomorphism from B onto A maps Theta onto T.

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Cite

@article{arxiv.1207.1733,
  title  = {Tolerances as images of congruences in varieties defined by linear identities},
  author = {Ivan Chajda and Gábor Czédli and Radomir Halas and Paolo Lipparini},
  journal= {arXiv preprint arXiv:1207.1733},
  year   = {2014}
}

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3 pages