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Degenerate form : ウィキペディア英語版 | Degenerate bilinear form
In mathematics, specifically linear algebra, a degenerate bilinear form on a vector space ''V'' is a bilinear form such that the map from ''V'' to ''V''∗ (the dual space of ''V'') given by is not an isomorphism. An equivalent definition when ''V'' is finite-dimensional is that it has a non-trivial kernel: there exist some non-zero ''x'' in ''V'' such that : for all ==Non-degenerate forms== A nondegenerate or nonsingular form is one that is not degenerate, meaning that is an isomorphism, or equivalently in finite dimensions, if and only if : for all implies that ''x'' = 0.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Degenerate bilinear form」の詳細全文を読む
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