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Results tagged with ag.algebraic-geometry
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user 98073
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?
Similar questions were studied in the paper
A V Arutyunov, S E Zhukovskii, "Properties of real surjective quadratic mappings", SB MATH, 2016, 207 (9), DOI:10.1070/SM8611 .
In particular, for $n=3$ t …
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