We prove that a cyclic cover of a smooth complex projective variety is Brody hyperbolic if its branch divisor is a generic small deformation of a large enough multiple of a Brody hyperbolic base-point-free ample divisor. We also show the hyperbolicity of complements of those branch divisors. As an application, we find new examples of Brody hyperbolic hypersurfaces in Pn+1 that are cyclic covers of P-n.
机构:
Univ Paris Saclay, CNRS, Univ Paris Sud, Lab Math Orsay, F-91405 Orsay, France
Hue Univ, Coll Educ, Dept Math, 34 Le Loi St, Hue City, VietnamUniv Paris Saclay, CNRS, Univ Paris Sud, Lab Math Orsay, F-91405 Orsay, France
机构:
Univ Paris 11, CNRS, Univ Paris Saclay, Lab Math Orsay, F-91405 Orsay, France
Hue Univ, Coll Educ, Dept Math, 34 Le Loi St, Hue City, VietnamUniv Paris 11, CNRS, Univ Paris Saclay, Lab Math Orsay, F-91405 Orsay, France
机构:
Univ Paris Saclay, CNRS, Univ Paris Sud, Lab Math Orsay, F-91405 Orsay, France
Hue Univ, Coll Educ, Dept Math, 34 Le Loi St, Hue City, VietnamUniv Paris Saclay, CNRS, Univ Paris Sud, Lab Math Orsay, F-91405 Orsay, France
机构:
Univ Paris 11, CNRS, Univ Paris Saclay, Lab Math Orsay, F-91405 Orsay, France
Hue Univ, Coll Educ, Dept Math, 34 Le Loi St, Hue City, VietnamUniv Paris 11, CNRS, Univ Paris Saclay, Lab Math Orsay, F-91405 Orsay, France