2 problems

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Feder–Gitler conjecture on degrees of self maps of quaternionic projective spaces
Feder–Gitler conjecture.
Conjectureopenhomotopy-theory quaternionic-projective-spaces self-mapsarXiv posted 2 days ago
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No higher-degree self-maps under nonnegative Kodaira dimension
Let $X$ be a projective manifold with cyclic Picard group $\operatorname{Pic}(X)=\mathbf{Z}$ , and let $\kappa(X)$ denote its Kodaira dimension. Let $f:X\to X$ be a self-morphism, a…
Conjectureopenalgebraic-geometry self-mapsarXiv posted 2 days ago

Feder–Gitler conjecture on degrees of self maps of quaternionic projective spaces