New answers tagged quadratic-forms
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Number of roots of a quadratic form over GF(2)
(I assume you mean roots over $\mathbb{F}_2$.) This was done by Carlitz in the paper "Gauss sums over finite fields of order $2^n$" (Acta Arith. 15, 247-265 (1969)).
Let $r \ge 1$ be the ...
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