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Results tagged with gr.group-theory
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user 23009
Questions about the branch of algebra that deals with groups.
6
votes
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answers
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integral equivalence classes of quadratic forms
Let $A$ and $B$ two symmetric matrices definite positive over $\mathbb{R}$. Then we say that $A$ and $B$ are integrally equivalent if there exists $Q\in GL_n(\mathbb{Z})$ such that
$A=Q.B.Q^t$ (1)
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