On axioms of convergence in linear spaces



Abstract

By a (general) convergence in a given linear space X we mean a mapping G: XN→2X, where N denotes the set of all positive integers, and by a zero-convergence in X we mean a convergence G0 in X for which G0(x)≠⌀ implies 0∈G0(x) for each xXN. In the paper, the two operations are defined: 1° operation C, which to each zero-convergence G0 in X assigns some general convergence G in X, and 2° operation C0, which to each general convergence G in X assigns a zero-convergence G0 in X. Various systems of axioms for general convergences and zero-convergences are considered and their connections with the operations C and C0 are studied. Also mutual independence of axioms is studied.


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Published : 1985-09-30


KamińskiA. (1985). On axioms of convergence in linear spaces. Annales Mathematicae Silesianae, 1, 130-144. Retrieved from https://journals.us.edu.pl/index.php/AMSIL/article/view/14344

Andrzej Kamiński 
Instytut Matematyki, Polska Akademia Nauk  Poland



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