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YCor
YCor
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Francesco Polizzi
Francesco Polizzi
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Let $X$ be a smooth projective rigid Calabi-Yau threefold. Does there exist a finite map $X\to X$ of degree>1?

Question. Does there exist a finite map $X\to X$ of degree $>1$?

Let $X$ be a smooth projective rigid Calabi-Yau threefold. Does there exist a finite map $X\to X$ of degree>1?

Let $X$ be a smooth projective rigid Calabi-Yau threefold.

Question. Does there exist a finite map $X\to X$ of degree $>1$?

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smprcy
smprcy
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Finite self-maps exist on rigid CY3s

Let $X$ be a smooth projective rigid Calabi-Yau threefold. Does there exist a finite map $X\to X$ of degree>1?