Results 11 to 20 of about 200 (27)

On localization in holomorphic equivariant cohomology [PDF]

open access: yesOpen Mathematics, 2012
We prove a localization formula for a "holomorphic equivariant cohomology" attached to the Atiyah algebroid of an equivariant holomorphic vector bundle. This generalizes Feng-Ma, Carrell-Liebermann, Baum-Bott and K.
Bruzzo Ugo, Rubtsov Vladimir
doaj   +5 more sources

Divisorial Zariski decomposition and algebraic Morse inequalities [PDF]

open access: yes, 2009
In this note we use the divisorial Zariski decomposition to give a more intrinsic version of the algebraic Morse inequalities.Comment: In this version we correct some ...
Trapani, Stefano
core   +2 more sources

Cohomology of semi 1-coronae and extension of analytic subsets [PDF]

open access: yes, 2007
We generalize some of the results in [arXiv: math.CV/0503430], and prove a bump-lemma for closed sets in semi 1-coronae. From this we obtain some finite cohomology results and an extension theorem for analytic subsets in 1-coronae.Comment: 16 ...
Saracco, Alberto, Tomassini, Giuseppe
core   +3 more sources

A Takayama-type extension theorem

open access: yes, 2006
We prove a theorem on the extension of holomorphic sections of powers of adjoint bundles from submanifolds of complex codimension 1 having non-trivial normal bundle. The first such result, due to Takayama, considers the case where the canonical bundle is
Varolin, Dror
core   +1 more source

Elliptic Zeta functions and equivariant functions,

open access: yes, 2017
In this paper we establish a close connection between three notions at- tached to a modular subgroup. Namely the set of weight two meromorphic modular forms, the set of equivariant functions on the upper half-plane commuting with the action of the ...
Al-Shbail, Isra, Sebbar, Abdellah
core   +1 more source

On the construction of Nadel multiplier ideal sheaves and the limiting behavior of the Ricci flow

open access: yes, 2007
In this note we construct Nadel multiplier ideal sheaves using the Ricci flow on Fano manifolds. This extends a result of Phong, Sesum and Sturm. These sheaves, like their counterparts constructed by Nadel for the continuity method, can be used to obtain
Rubinstein, Yanir A.
core   +4 more sources

A note on the CR cohomology of Levi-Flat minimal orbits in complex flag manifolds [PDF]

open access: yes, 2005
We prove a relation between the $\bar\partial_M$ cohomology of a minimal orbit $M$ of a real form $G_0$ of a complex semisimple Lie group $G$ in a flag manifold $G/Q$ and the Dolbeault cohomology of the Matsuki dual open orbit $X$ of the complexification
Altomani, Andrea
core   +4 more sources

Extension of holomorphic functions and cohomology classes from non reduced analytic subvarieties

open access: yes, 2017
The goal of this survey is to describe some recent results concerning the L 2 extension of holomorphic sections or cohomology classes with values in vector bundles satisfying weak semi-positivity properties.
B Berndtsson   +23 more
core   +1 more source

Cohomology groups of sections of homogeneous line bundles over a toroidal group

open access: yes, 2015
We completely determine cohomology groups of sections of homogeneous line bundles over a toroidal ...
Abe, Yukitaka
core   +1 more source

A duality for the double fibration transform

open access: yes, 2012
We establish a duality within the spectral sequence that governs the holomorphic double fibration transform. It has immediate application to the questions of injectivity and range characterization for this transform.
Eastwood, Michael G., Wolf, Joseph A.
core   +1 more source

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