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The PInchuk example revisited
Published 31 May 2023 in math.AG | (2306.13095v1)
Abstract: In this note we provide two special examples of non-injective polynomial maps from $\mathbb{R}2$ to $\mathbb{R}2$ with non-vanishing Jacobian: the first one is surjective, the second one has non-dense image.
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