大猩猩
发表于 2025-3-30 08:31:53
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柏树
发表于 2025-3-30 13:01:03
Gérald Franz,Muhammad Hafiz Hassans (see References to Chapter XI) there has been, as far as we know, only Kaplansky’s 1950 paper on infinite dimensional spaces pointing our way, namely in the direction of a purely algebraic theory of quadratic forms on infinite dimensional vector spaces over “arbitrary” division rings. Such a theor
对手
发表于 2025-3-30 17:51:41
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