CIEM 05476
CENTRO DE INVESTIGACION Y ESTUDIOS DE MATEMATICA
Unidad Ejecutora - UE
artículos
Título:
Equational definability of (complementary) central elements
Autor/es:
M. BADANO, D. VAGGIONE
Revista:
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
Editorial:
WORLD SCIENTIFIC PUBL CO PTE LTD
Referencias:
Año: 2016 vol. 26 p. 509 - 532
ISSN:
0218-1967
Resumen:
For a variety with weak existentially definable factor congruences, we characterize whenthe properties ?e is a central element? and ?e and f are complementary central elements?are definable by (∀ V p = q)-formulas and by (V p = q)-formulas.
