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:
Tokyo Univ Sci, Fac Sci Div 2, Dept Math, 1-3 Kagurazaka,Shinjuku Ku, Tokyo 1628601, JapanTokyo Univ Sci, Fac Sci Div 2, Dept Math, 1-3 Kagurazaka,Shinjuku Ku, Tokyo 1628601, Japan
Nitta, Yasufumi
Saito, Shunsuke
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机构:
Tokyo Univ Sci, Fac Sci Div 1, Dept Math, 1-3 Kagurazaka,Shinjuku Ku, Tokyo 1628601, JapanTokyo Univ Sci, Fac Sci Div 2, Dept Math, 1-3 Kagurazaka,Shinjuku Ku, Tokyo 1628601, Japan
Saito, Shunsuke
Yotsutani, Naoto
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机构:
Kagawa Univ, Fac Educ, 1-1 Saiwai Cho, Takamatsu 7608521, JapanTokyo Univ Sci, Fac Sci Div 2, Dept Math, 1-3 Kagurazaka,Shinjuku Ku, Tokyo 1628601, Japan
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