On the invariants of base changes of pencils of curves, I

Sheng Li Tan

doi:10.1007/BF02567455

On the invariants of base changes of pencils of curves, I

Sheng Li Tan^*

^*Corresponding author for this work

School of Mathematical Sciences

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

The main purpose of this paper is to prove the nonnegativity of the basic invariants of base changes of a surface fibration, which is conjectured by Xiao Gang. For this purpose we obtain some new inequalities between the invariants of the singularities of z^d =f(x, y).

Original language	English
Pages (from-to)	225-244
Number of pages	20
Journal	Manuscripta Mathematica
Volume	84
Issue number	1
DOIs	https://doi.org/10.1007/BF02567455
State	Published - Dec 1994

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abstract = "The main purpose of this paper is to prove the nonnegativity of the basic invariants of base changes of a surface fibration, which is conjectured by Xiao Gang. For this purpose we obtain some new inequalities between the invariants of the singularities of z d =f(x, y).",

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AB - The main purpose of this paper is to prove the nonnegativity of the basic invariants of base changes of a surface fibration, which is conjectured by Xiao Gang. For this purpose we obtain some new inequalities between the invariants of the singularities of z d =f(x, y).

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On the invariants of base changes of pencils of curves, I

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