1. Uniformity of congruences in coherent varieties
- Creator:
- Chajda, Ivan
- Format:
- bez média and svazek
- Type:
- model:article and TEXT
- Subject:
- uniformity, regularity, permutability, coherence, transferable congruences, and Mal'cev condition
- Language:
- English
- Description:
- An algebra A is uniform if for each ∅ ∈ Con A, every two classes of ∅ have the same cardinality. It was shown by W. Taylor that coherent varieties need not be uniform (and vice versa). We show that every coherent variety having transferable congruences is uniform.
- Rights:
- http://creativecommons.org/publicdomain/mark/1.0/ and policy:public