We give a lower bound of the 8-invariants of ample line bundles in terms of Seshadri constants. As applications, we prove the uniform K-stability of infinitely many fami-lies of Fano hypersurfaces of arbitrarily large index, as well as the uniform K-stability of most families of smooth Fano threefolds of Picard number one.
机构:
Univ Illinois, Dept Math Stat & Comp Sci, 851 S Morgan St, Chicago, IL 60607 USA
UCLA, Math Dept, Box 951555, Los Angeles, CA 90095 USAUniv Illinois, Dept Math Stat & Comp Sci, 851 S Morgan St, Chicago, IL 60607 USA
机构:
Kobe Univ, Grad Sch Sci, Dept Math, 1-1 Rokkodai,Nada Ku, Kobe 6578501, JapanKobe Univ, Grad Sch Sci, Dept Math, 1-1 Rokkodai,Nada Ku, Kobe 6578501, Japan
Sano, Taro
Tasin, Luca
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机构:
Univ Milan, Dipartimento Matemat F Enriques, Via Cesare Saldini 50, I-20133 Milan, ItalyKobe Univ, Grad Sch Sci, Dept Math, 1-1 Rokkodai,Nada Ku, Kobe 6578501, Japan