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Questions about the properties of vector spaces and linear transformations, including linear systems in general.
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Vanishing bilinear forms
For a symmetric or antisymmetric bilinear form $\varphi$ on a vector space $V$, if $\varphi(x,y)=0$ then also $\varphi(y,x)=0$ ($x,y\in V$).
I was wondering if this is also a necessary condition for …