Extension property for maps from projective manifolds to measure-hyperbolic manifolds

Let XX be a projective b[31mdim(X)b[0mb[31m\dim(X)b[0m-analytically hyperbolic manifold, let YY be a projective manifold with b[31mdim(Y)dim(X)b[0mb[31m\dim(Y)\geq\dim(X)b[0m, and let HYH\subset Y be a hypersurface. A holomorphic map f:YHXf:Y\setminus H\to X is non-degenerate if its differential has maximal rank at some point.

Extension property. Every non-degenerate holomorphic map

f:YHXf:Y\setminus H\longrightarrow X

extends to a meromorphic map f:YXf:Y\dashrightarrow X.

For projective manifolds of general type, a weaker extension statement is known for non-degenerate maps, while the conjecture predicts meromorphic extension under intermediate hyperbolicity. The property is an analogue of the holomorphic extension theorem for compact complex hyperbolic manifolds.

Sources & referencesView supporting material

Primary source

Antoine Etesse, “Complex-analytic intermediate hyperbolicity, and finiteness properties”, arXiv:2011.12583 (2020).

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