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Results tagged with ag.algebraic-geometry
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user 44879
Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.
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Are there any known criteria for quadratic mapping from R^n to R^n being surjective?
Let quadratic mapping be the function from $\mathbb{R}^n$ to $\mathbb{R}^n$, where each coordinate is a quadratic form of $n$ variables. Are there any known criteria for it being surjective? May someb …
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