ArticleOriginal scientific text
Title
Homomorphisms of unary algebras and of their expansions
Authors 1, 2, 3
Affiliations
- Department of Mathematics, University of Hawaii, Honolulu, Hawaii 96822, U.S.A.
- Department of Mathematics, University of Manitoba, Winnipeg, Manitoba, Canada R3T 2N2
- MÚUK, Sokolovská 83, 186 00 Praha 8, Czechoslovakia
Keywords
simultaneous representation, algebra, reduct
Bibliography
- E. Graczyńska, A generalization of Płonka sums, Fund. Math. 120 (1984), 53-62.
- Z. Hedrlín and A. Pultr, On full embeddings of categories of algebras, Illinois J. Math. 10 (1966), 392-406.
- B. Jónsson and E. Nelson, Relatively free products in regular varieties, Algebra Universalis 4 (1974), 14-19.
- M. Petrich, J. Sichler and V. Trnková, Simultaneous representations in categories of algebras, ibid. 27 (1990), 426-453.
- J. Płonka, On the sum of a direct system of universal algebras with nullary polynomials, ibid. 19 (1984), 197-207.
- A. Pultr and V. Trnková, Combinatorial, Algebraic and Topological Representations of Groups, Semigroups and Categories, North-Holland, Amsterdam 1980.
- J. Sichler, Testing categories and strong universality, Canad. J. Math. 25 (1973), 370-385.
- P. Vopěnka, A. Pultr and Z. Hedrlín, A rigid relation exists on any set, Comment. Math. Univ. Carolin. 6 (1965), 149-155.