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In this thesis we talk about lipschitz-homotopy invariants for manifolds of bounded geometry. There are three main results: the first one is the definition of a controvariant functor between the category of manifolds of bounded geometry…

Differential Geometry · Mathematics 2021-09-16 Stefano Spessato

We prove a generalization of the Poincar\'e-Birkhoff theorem for the open annulus showing that if a homeomorphism satisfies a certain twist condition and the nonwandering set is connected, then there is a fixed point. Our main focus is the…

Dynamical Systems · Mathematics 2007-05-23 David Richeson , Jim Wiseman

This paper is part of a series of articles on noncommutative geometry and conformal geometry. In this paper, we reformulate the local index formula in conformal geometry in such a way to take into account of the action of conformal…

Differential Geometry · Mathematics 2019-02-12 Raphael Ponge , Hang Wang

We show that orientations and Floer gradings for elliptic differential operators can be propagated through bordisms. This is based on a new perspective on APS indices for elliptic boundary value problems over the real numbers. Several…

Differential Geometry · Mathematics 2023-12-13 Markus Upmeier

We introduce the holonomy of a singular leaf $L$ of a singular foliation as a sequence of group morphisms from $\pi_n(L)$ to the $\pi_{n-1}$ of the universal Lie $\infty$-algebroid of the transverse foliation of $L$. We include these…

Differential Geometry · Mathematics 2021-12-15 Camille Laurent-Gengoux , Leonid Ryvkin

In Kleinrock and Kamoun's paper, the inverse relation of routing table length index and routing path length index in hierarchical routing model is illustrated. In this paper we give the analytical correlation of routing table length index…

Networking and Internet Architecture · Computer Science 2008-04-15 Tingrong Lu

In this work we introduce a GSV type index for varieties invariant by holomorphic Pfaff systems (possibly non locally decomposables) on projective manifolds. We prove a non-negativity property for the index. As an application, we prove that…

Algebraic Geometry · Mathematics 2020-10-06 Maurício Corrêa , Diogo da Silva Machado

We offer streamlined proofs of fundamental theorems regarding the index theory for partial self-maps of an infinite set that are bijective between cofinite subsets.

Combinatorics · Mathematics 2015-10-09 P. L. Robinson

In an earlier work we used a path integral analysis to propose a higher genus generalization of the elliptic genus. We found a cobordism invariant parametrized by Teichmuller space. Here we simplify the formula and study the behavior of our…

High Energy Physics - Theory · Physics 2015-05-27 Orlando Alvarez , I. M. Singer

In the previous papers, Furuta, Yoshida and the author gave a definition of analytic index theory of Dirac-type operator on open manifolds by making use of some geometric structure on an open covering of the end of the open manifold and a…

Differential Geometry · Mathematics 2015-04-10 Hajime Fujita

We emphasize that construction of travelling wave solutions for partial differential equations is a problem of considerable interest and thus introduce a simple algebraic method to generate such solutions for equations in the Burgers…

Exactly Solvable and Integrable Systems · Physics 2025-11-11 Amitava Choudhuri , Modhan Mohan Panja , Supriya Chatterjee , Benoy Talukdar

Indices of vector fields on (complex analytic) singular varieties have been considered by various authors from several different viewpoints. All these indices coincide with the classical local index of Poincar\'e-Hopf when the ambient…

Algebraic Geometry · Mathematics 2007-05-23 Jose Seade

Some sorts of generalized morphisms are defined from very basic mathematical objects such as sets, functions, and partial functions. A wide range of mathematical notions such as continuous functions between topological spaces, ring…

Rings and Algebras · Mathematics 2024-07-24 Gang Hu

This paper presents and explores a theory of \emph{multiholomorphic maps}. This group of ideas generalizes the theory of pseudoholomorphic curves in a direction suggested by consideration of the kinds of compatible geometric structures that…

Differential Geometry · Mathematics 2012-05-01 Aaron M. Smith

We give a superconnection proof of an index theorem for a Dirac-type operator that is invariant with respect to the action of a foliation groupoid.

Differential Geometry · Mathematics 2007-05-23 Alexander Gorokhovsky , John Lott

In this article, we develop a new index theory for noncompact manifolds endowed with an admissible exhaustion by compact sets. This index theory allows us to provide examples of noncompact manifolds with exotic positive scalar curvature…

K-Theory and Homology · Mathematics 2015-06-15 Stanley Chang , Shmuel Weinbeger , Guoliang Yu

We formulate and prove an analog of the Hopf Index Theorem for Riemannian foliations. We compute the basic Euler characteristic of a closed Riemannian manifold as a sum of indices of a non-degenerate basic vector field at critical leaf…

Differential Geometry · Mathematics 2021-01-28 Victor Belfi , Efton Park , Ken Richardson

In the present paper we study some homotopy invariants which can be defined by means of bundles with fiber a matrix algebra. We also introduce some generalization of the Brauer group in the topological context and show that any its element…

Algebraic Topology · Mathematics 2007-05-23 A. V. Ershov

In the first part of this series, we defined an equivariant index without assuming the group acting or the orbit space of the action to be compact. This allowed us to generalise an index of deformed Dirac operators, defined for compact…

K-Theory and Homology · Mathematics 2016-02-10 Peter Hochs , Yanli Song

Let $M$ be a complex manifold and $S\subset M$ a (possibly singular) subvariety of $M$. Let $f\colon M\to M$ be a holomorphic map such that $f$ restricted to $S$ is the identity. We show that one can associate to $f$ a holomorphic section…

Dynamical Systems · Mathematics 2007-05-23 Marco Abate , Filippo Bracci , Francesca Tovena
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