Suppose that we have a real infinite dimensional vector space and several norms, pseudonorms or seminorms (please note here that I do not know what is the technical difference between semi- and pseudo-) but anyway, if there are several of them, how can we construct some natural topology with their help ? Are there more choices how to get a well defined topology from them ?
2026-04-04 12:41:50.1775306510
several norms on a vector space
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