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In \cite{Broer1993}, it was shown that certain line bundles on $\widetilde{\mathcal{N}}=T^*G/B$ have vanishing higher cohomology. We prove a generalization of this theorem for real reductive algebraic groups. More specifically, if…

Representation Theory · Mathematics 2025-10-15 Jack A. Cook

We obtain the Bogomolov-Sommese type vanishing theorem involving multiplier ideal sheaves for big line bundles. We define a dual Nakano semi-positivity of singular Hermitian metrics with L2-estimates and prove the vanishing theorem which is…

Complex Variables · Mathematics 2022-08-30 Yuta Watanabe

We prove the following vanishing theorem. Let M be an irreducible symmetric space of noncompact type whose dimension exceeds 2 and $M\ne SO_0(2,2)/SO(2)\tm SO(2).$ Let E be any vector bundle over M, Then any E-valued $L^2$ harmonic 1-form…

Differential Geometry · Mathematics 2007-05-23 Xusheng Liu

This is a sequel to "Kodaira-Saito vanishing via Higgs bundles in positive characteristic" (arXiv:1611.09880). However, unlike the previous paper, all the arguments here are in characteristic zero. The main result is a Kodaira vanishing…

Algebraic Geometry · Mathematics 2018-08-31 Donu Arapura , Feng Hao , Hongshan Li

We prove an injectivity theorem for the cohomology of the Du Bois complexes of varieties with isolated singularities. We use this to deduce vanishing statements for the cohomologies of higher Du Bois complexes of such varieties. Besides…

Algebraic Geometry · Mathematics 2026-05-27 Mihnea Popa , Wanchun Shen , Anh Duc Vo

We use the liftability of the relative Frobenius morphism of toric varieties and the strong liftability of toric varieties to prove the Bott vanishing theorem, the degeneration of the Hodge to de Rham spectral sequence and the…

Algebraic Geometry · Mathematics 2013-04-30 Qihong Xie

We correct the proof and slightly strengthen a Kodaira-type vanishing theorem for singular varieties originally due to Jaffe and the first author. Specifically, we show that if $L$ is a nef and big line bundle on a projective variety of…

Algebraic Geometry · Mathematics 2018-09-12 Donu Arapura , Lei Song

Given a very ample line bundle on a smooth projective variety, the variation of Hodge structure associated to the universal family of hyperplane sections can be thought of as a $D$-module with action generated by the Gauss-Manin connection.…

Algebraic Geometry · Mathematics 2022-09-29 Daniel Brogan

This article is concerned with the convexity properties of universal covers of projective varieties. We study the relation between the convexity properties of the universal cover of X and the properties of the pullback map sending vector…

Algebraic Geometry · Mathematics 2007-05-23 F. Bogomolov , B. De Oliveira

In this paper, we prove the irreducibility of the monodromy action on the anti-invariant part of the vanishing cohomology on a double cover of a very general element in an ample hypersurface of a complex smooth projective variety branched…

Algebraic Geometry · Mathematics 2020-10-21 Yongnam Lee , Gian Pietro Pirola

We study fundamental forms of algebraic varieties using the sheaves of principal parts of line bundles and establish a vanishing theorem for any order fundamental forms. We also give connection of fundamental forms with the higher order…

Algebraic Geometry · Mathematics 2023-04-18 Lawrence Ein , Wenbo Niu

We prove some vanishing theorems for the cohomology groups of local systems associated to Laurent polynomials. In particular, we extend one of the results of Gelfand-Kapranov-Zelevinsky into various directions.

Algebraic Geometry · Mathematics 2018-11-01 Alexander Esterov , Kiyoshi Takeuchi

Junyan Cao has obtained a very general vanishing theorem, valid on any compact K\"ahler manifold, for the cohomology groups with values in a pseudoeffective line bundle twisted by the associated multiplier ideal sheaf. In this note, we give…

Algebraic Geometry · Mathematics 2020-11-30 Xiaojun Wu

This paper reproves a general form of the Green-Lazarsfeld 'generic vanishing' theorem and more recent strengthenings, as well as giving some new applications.

Algebraic Geometry · Mathematics 2007-05-23 Herbert Clemens , Christopher Hacon

We extend to manifolds of arbitrary dimension the Castelnuovo-de Franchis inequality for surfaces. The proof is based on the theory of Generic Vanishing and higher regularity, and on the Evans-Griffith Syzygy Theorem in commutative algebra.…

Algebraic Geometry · Mathematics 2019-12-19 Giuseppe Pareschi , Mihnea Popa

We introduce a notion of singular hermitian metrics (s.h.m.) for holomorphic vector bundles and define positivity in view of $L^2$-estimates. Associated with a suitably positive s.h.m. there is a (coherent) sheaf 0-th kernel of a certain…

alg-geom · Mathematics 2008-02-03 Mark Andrea A. de Cataldo

Using the framework of noncommutative Kahler structures, we generalise to the noncommutative setting the celebrated vanishing theorem of Kodaira for positive line bundles. The result is established under the assumption that the associated…

Quantum Algebra · Mathematics 2018-01-26 Réamonn Ó Buachalla , Jan Stovicek , Adam-Christiaan van Roosmalen

We show that the hypercohomology of most character twists of perverse sheaves on a complex abelian variety vanishes in all non-zero degrees. As a consequence we obtain a vanishing theorem for constructible sheaves and a relative vanishing…

Algebraic Geometry · Mathematics 2015-10-01 Thomas Krämer , Rainer Weissauer

We study the vanishing of (co)homology along ring homomorphisms for modules that admit certain filtrations, and generalize a theorem of O. Celikbas-Takahashi. Our work produces new classes of rigid and test modules, in particular over local…

Commutative Algebra · Mathematics 2024-08-07 Olgur Celikbas , Yongwei Yao

We extend the dimension and strong linearity results of generic vanishing theory to bundles of holomorphic forms and rank one local systems, and more generally to certain coherent sheaves of Hodge-theoretic origin associated to irregular…

Algebraic Geometry · Mathematics 2012-01-20 Mihnea Popa , Christian Schnell