Abstract
Let f: X → U be a family of smooth hypersurfaces in ℙn of degree d > n+1 over a smooth curve U. Assume that the Griffiths-Yukawa coupling of f is non-vanishing. Then f is rigid. Moreover, we generalize it to the case when the Griffiths-Yukawa coupling of f is degenerated.
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Peng, F. Rigidity of subfamilies of hypersurfaces in ℙn with maximal length of Griffiths-Yukawa coupling. Sci. China Math. 57, 1419–1426 (2014). https://doi.org/10.1007/s11425-014-4787-1
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DOI: https://doi.org/10.1007/s11425-014-4787-1