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We prove residual formulas for vector fields defined on compact complex orbifolds with isolated singularities and give some applications of these on weighted projective spaces.

Algebraic Geometry · Mathematics 2018-10-15 Maurício Corrêa , A. M. Rodríguez , Marcio G. Soares

In this paper, we give an explicit formula for the Futaki invariants of complete intersections. The result is new in the case where the variety is smooth or has orbifold singularities.

Differential Geometry · Mathematics 2007-05-23 Zhiqin Lu

We prove that Baum-Bott residues vary continuously under smooth deformations of holomorphic foliations. This provides an effective way to compute residues.

Complex Variables · Mathematics 2010-06-21 Filippo Bracci , Tatsuo Suwa

Let $\mathscr{F}$ be a singular holomorphic foliation, of codimension $k$, on a complex compact manifold such that its singular set has codimension $\geq k+1$. In this work we determinate Baum-Bott residues for $\mathscr{F}$ with respect to…

Algebraic Geometry · Mathematics 2019-08-07 Maurício Corrêa , Fernando Lourenço

In this work we provide a localization formulae for odd holomorphic super vector fields on compact complex supermanifolds with fermionic dimension equal to the bosonic dimension. We prove a residue theorem for holomorphic super vector…

Differential Geometry · Mathematics 2019-10-01 Leonardo Abath , Maurício Corrêa , Miguel Rodríguez Peña

We construct a 2-category version of tom Dieck's equivariant fundamental groupoid for representable orbifolds and show that the discrete fundamental groupoid is Morita invariant; hence an orbifold invariant for representable orbifolds.

Algebraic Topology · Mathematics 2019-08-06 Dorette Pronk , Laura Scull

In this note we study the localization of Futaki-Morita integrals at isolated degenerate zeros by giving a streamlined exposition in the spirit of Bott and implement the localization procedure for a holomorphic vector field on $CP^n$ with a…

Differential Geometry · Mathematics 2016-11-16 Luke Cherveny

We prove a global residual formula in terms of logarithmic indices for one-dimensional holomorphic foliations, with isolated singularities, and logarithmic along normal crossing divisors. We also give a formula for the total sum of the…

Algebraic Geometry · Mathematics 2024-09-11 Maurício Corrêa , Diogo da Silva Machado

In this paper we compute the Futaki invariant of adiabatic Kaehler classes on resolutions of Kaehler orbifolds with isolated singularities. Combined with previous existence results of extremal metrics by Arezzo-Lena-Mazzieri, this gives a…

Differential Geometry · Mathematics 2018-08-28 Claudio Arezzo , Alberto Della Vedova , Lorenzo Mazzieri

In this paper, we prove that the Grothendieck-Riemann-Roch formula in Deligne cohomology computing the determinant of the cohomology of a holomorphic vector bundle on the fibers of a proper submersion between abstract complex manifolds is…

Algebraic Geometry · Mathematics 2017-10-10 Julien Grivaux

We prove an explicit residue formula for a meromorphic continuation of conformally covariant integral operators between differential forms on ${\bf R}^n$ and on its hyperplane. The results provide a simple and new construction of the…

Representation Theory · Mathematics 2019-04-09 Toshiyuki Kobayashi

This is the second of a series of papers dealing with an analog in Arakelov geometry of the holomorphic Lefschetz fixed point formula. We use the main result of the first paper to prove a residue formula "`a la Bott" for arithmetic…

Algebraic Geometry · Mathematics 2009-11-07 Kai Koehler , Damian Roessler

In this paper we prove geometric residue theorems for bundle maps over a compact manifold. The theory developed associates residues to the singularity submanifolds of the map for any invariant polynomial. The theory is then applied to a…

dg-ga · Mathematics 2008-02-03 Sunil Nair

In this work we prove a Brunella-Khanedani-Suwa variational type residue theorem for currents invariant by holomorphic foliations. As a consequence, we give conditions for the leaves of a singular holomorphic foliation to accumulate in the…

Complex Variables · Mathematics 2018-02-27 Mauricio Corrêa , Arturo Fernández-Pérez , Marcio G. Soares

In this expository article, we study and discuss invariants of vector fields and holomorphic foliations that intertwine the theories of complex analytic singular varieties and singular holomorphic foliations on complex manifolds: two…

Complex Variables · Mathematics 2025-01-16 Maurício Corrêa , José Seade

Given a finite residue field $k$, one looks for a smoothness basis that is invariant under the automorphism group of $k$. We construct models for some finite fields that admit such a basis. This work aims at accelerating algorithms for…

Number Theory · Mathematics 2007-05-23 Jean-Marc Couveignes

In this note we give a closed formula for Faltings' delta-invariant of a hyperelliptic Riemann surface.

Algebraic Geometry · Mathematics 2007-05-23 Robin de Jong

We present an analytic proof of the relationship between the Calabi-Futaki invariant for a K\"ahler manifold relative to a holomorphic vector field with a nondegenerate zero and the corresponding invariant of its blowup at that zero,…

Differential Geometry · Mathematics 2017-10-31 Luke Cherveny

Let $M$ be a symplectic manifold and $G$ a connected, compact Lie group acting on $M$ in a Hamiltonian way. In this paper, we study the equivariant cohomology of $M$ represented by basic differential forms, and relate it to the cohomology…

Symplectic Geometry · Mathematics 2019-10-30 Panagiotis Konstantis , Benjamin Küster , Pablo Ramacher

Given a compatible vector field on a compact connected almost-complex manifold, we show in this article that the multiplicities of eigenvalues among the zero point set of this vector field have intimate relations. We highlight a special…

Differential Geometry · Mathematics 2018-10-18 Ping Li
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