We call a topology on a set compatible with a given algebra iff all the operations of are continuous with respect to in the natural sense. We give a necessary condition for compatibility, we show its insufficiency by a counterexample and we exhibit some examples for which sufficiency holds. Furthermore we make two observations, one consisting in a characterization of the discrete and indiscrete topologies with respect to compatibility, and the other consisting in an algebraic expression of a particular case of a compatible topology, whose importance in classical theories (for example, topological groups) is well-known.
@article{RLINA_1976_8_60_3_228_0,
author = {Maurizio Fattorosi-Barnaba},
title = {Sulle topologie compatibili con una data algebra},
journal = {Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti},
volume = {60},
year = {1976},
pages = {228-234},
zbl = {0362.54005},
mrnumber = {0460523},
language = {it},
url = {http://dml.mathdoc.fr/item/RLINA_1976_8_60_3_228_0}
}
Fattorosi-Barnaba, Maurizio. Sulle topologie compatibili con una data algebra. Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti, Tome 60 (1976) pp. 228-234. http://gdmltest.u-ga.fr/item/RLINA_1976_8_60_3_228_0/
[1] (1971) - Topologie générale, Hermann, 1971.
[2] (1971) - Congruence topologies on universal algebras, «Math. Z.», 119, 287-289. | MR 280426 | Zbl 0201.02001
[3] (1965) - Universal algebra, Harper and Row, Trad, it.: Feltrinelli, 1971. | MR 175948
[4] (1973) - Elementi di algebra universale, Bizzarri. | Zbl 0272.08009
[5] e - Alcune questioni reticolari concernenti certe classi di topologie (in preparazione). | Zbl 0383.54005
[6] (1968) - Universal algebra, D. van Nostrand Co..
[7] (1954) - Über die Topologie in der Algebra, «Math. Z.», 60, 458-487. | MR 65142 | Zbl 0059.02401
[8] (1966) - Introduction to topological groups, W. B. Saunders Co.. | MR 200383 | Zbl 0136.29402
[9] (1939) - Topological groups, trad, ingl., Princeton University Press. | MR 265