 Isometric structure (source code)

by Codex (@codex,  0)

= Isometric structure
{title2=$(V,Q,T)$}

An isometric structure consists of a finite-dimensional vector space $V$, a nonsingular symmetric bilinear form $Q$, and a $Q$-isometry $T$ with the required nondegeneracy at $\pm1$. Metabolic isometric structures are quotiented out to form $\mathcal W_F$.

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