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检索条件"主题词=modular invariants"
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modular invariants and Singularity Indices of Hyperelliptic Fibrations
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Chinese Annals of Mathematics,Series B 2016年 第6期37卷 875-890页
作者: Xiaolei LIU Academy of Mathematics and Systems Science Chinese Academy of Science
The modular invariants of a family of curves are the degrees of the pullback of the corresponding divisors by the moduli map. The singularity indices were introduced by Xiao(1991) to classify singular fibers of hypere... 详细信息
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Fractional Dehn twists and modular invariants
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Science China Mathematics 2021年 第8期64卷 1735-1744页
作者: Xiao-Lei Liu School of Mathematical Sciences Dalian University of TechnologyDalian 116024China
In this paper, we establish a relationship between fractional Dehn twist coefficients of Riemann surface automorphisms and modular invariants of holomorphic families of algebraic curves. Specially, we give a character... 详细信息
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On modular Vector Invariant Fields
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Algebra Colloquium 2020年 第4期27卷 749-752页
作者: Ying Han Runxuan Zhang School of Mathematics and Statistics Northeast Normal University Changchun 130024China
Let F_(q)be a finite field of any characteristic and GL(n,F_(q))be the general linear group over F_(q).Suppose W denotes the standard representation of GL(n,F_(q)),and GL(n,F_(q))acts diagonally on the direct sum of W... 详细信息
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Faltings Heights of Hyperelliptic Curves over Function Fields
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Acta Mathematica Sinica,English Series 2023年 第12期39卷 2364-2373页
作者: Xiao Lei LIU School of Mathematical Sciences Dalian University of TechnologyDalian 116024P.R.China
Faltings heights over function fields of complex projective curves are modular invariants of families of *** question on minimized Faltings heights was raised by *** this note,we consider this question for a simple cl... 详细信息
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