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Characterization of products of theta divisors

Part of: (Co)homology theory Birational geometry Surfaces and higher-dimensional varieties

Published online by Cambridge University Press:  30 June 2014

Zhi Jiang ,
Martí Lahoz  and
Sofia Tirabassi
Zhi Jiang
Affiliation:
Département de Mathématiques d’Orsay, Université Paris-Sud 11, Bâtiment 425, F-91405 Orsay, France email [email protected]
Martí Lahoz
Affiliation:
Département de Mathématiques d’Orsay, Université Paris-Sud 11, Bâtiment 425, F-91405 Orsay, France email [email protected] Current address: Institut de Mathématiques de Jussieu, Université Paris 7 Denis Diderot, Bâtiment Sophie-Germain, Case 7032, F-75205 Paris, France
Sofia Tirabassi
Affiliation:
Math Department, University of Utah, 155 S 1400 E, Salt Lake City, UT 84112, USA email [email protected]
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Abstract

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We study products of irreducible theta divisors from two points of view. On the one hand, we characterize them as normal subvarieties of abelian varieties such that a desingularization has holomorphic Euler characteristic $\def \xmlpi #1{}\def \mathsfbi #1{\boldsymbol {\mathsf {#1}}}\let \le =\leqslant \let \leq =\leqslant \let \ge =\geqslant \let \geq =\geqslant \def \Pr {\mathit {Pr}}\def \Fr {\mathit {Fr}}\def \Rey {\mathit {Re}}1$. On the other hand, we identify them up to birational equivalence among all varieties of maximal Albanese dimension. We also describe the structure of varieties $X$ of maximal Albanese dimension, with holomorphic Euler characteristic $1$ and irregularity $2\dim X-1$.

Keywords

theta divisorsEuler characteristicgeneric vanishing

MSC classification

Secondary: 14J10: Families, moduli, classification 14F17: Vanishing theorems 14E05: Rational and birational maps
Type
Research Article
Information
Compositio Mathematica , Volume 150 , Issue 8 , August 2014 , pp. 1384 - 1412
Copyright
© The Author(s) 2014 

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