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This paper collects the notes of a serie of lectures given by the two authors during the summer school "Geometric and topological methods for Quantum Field Theory" at Villa de Leyva, Colombia, summer 2007. These lecture notes are mainly…

Operator Algebras · Mathematics 2010-05-18 Claire Debord , Jean-Marie Lescure

We extend the Atiyah, Patodi, and Singer index theorem for first order differential operators from the context of manifolds with cylindrical ends to manifolds with periodic ends. This theorem provides a natural complement to Taubes'…

Differential Geometry · Mathematics 2019-02-20 Tomasz Mrowka , Daniel Ruberman , Nikolai Saveliev

Let M be a riemannian manifold. The existence of a spin structure on M, enables to study the topology of M. The obstruction to the existence of the spin structure is given by the second Stiefel-Whitney class. This class is the classifying…

Differential Geometry · Mathematics 2007-05-23 Aristide Tsemo

The Atiyah-Singer index theorem on a closed manifold is well understood and appreciated in physics. On the other hand, the Atiyah-Patodi-Singer index, which is an extension to a manifold with boundary, is physicist-unfriendly, in that it is…

High Energy Physics - Lattice · Physics 2021-12-22 Hidenori Fukaya

We establish the basics of the analysis of operators on coverings of manifolds with cylindrical ends with a group of deck transformations $\Gamma$. We prove the $\Gamma$-analogue of the Atiyah-Patodi-Singer formula for Dirac operators on…

Differential Geometry · Mathematics 2008-06-26 Boris Vaillant

The Atiyah-Singer index theorem is a topological formula for the index of an elliptic differential operator. The topological index depends on a cohomology class that is constructed from the principal symbol of the operator. On contact…

Differential Geometry · Mathematics 2010-07-28 Erik van Erp

The purpose of this paper is to introduce the idea of triangular Ramsey numbers and provide values as well as upper and lower bounds for them. To do this, the combinatorial game Mines is introduced; after some necessary theorems about…

Combinatorics · Mathematics 2016-12-06 Timothy Trujillo , Connor Mattes , Zachary Chaney , Jed Menard

This is a pedagogical article cited in the foregoing research note, quant-ph/9911050

Quantum Physics · Physics 2020-02-12 S. A. Fulling

We define an analytical index map and a topological index map for conical pseudomanifolds. These constructions generalize the analogous constructions used by Atiyah and Singer in the proof of their topological index theorem for a smooth,…

Operator Algebras · Mathematics 2010-05-18 Claire Debord , Jean-Marie Lescure , Victor Nistor

The $L^2$-Index Theorem of Atiyah \cite{atiyah} expresses the index of an elliptic operator on a closed manifold $M$ in terms of the $G$-equivariant index of some regular covering $\widetilde{M}$ of $M$, with $G$ the group of covering…

K-Theory and Homology · Mathematics 2010-04-09 Indira Chatterji , Guido Mislin

We formulate and prove a generalization of the Atiyah-Singer family index theorem in the context of the theory of spaces of manifolds \`a la Madsen, Tillmann, Weiss, Galatius and Randal-Williams. Our results are for Dirac-type operators…

Algebraic Topology · Mathematics 2019-01-28 Johannes Ebert

We present the details of our embedding proof of the Atiyah-Patodi-Singer index theorem for Dirac operators on manifolds with boundary.

Differential Geometry · Mathematics 2007-05-23 Xianzhe Dai , Weiping Zhang

The Atiyah-Singer index theorem gives a topological formula for the index of an elliptic differential operator. Enlightening from Alain Connes' tangent groupoid proof of the index theorem and van Erp's research for the Heisenberg index…

Differential Geometry · Mathematics 2021-07-13 Minjie Tian

In [Wu], the noncommutative Atiyah-Patodi-Singer index theorem was proved. In this paper, we extend this theorem to the equivariant case.

Differential Geometry · Mathematics 2007-05-23 Yong Wang

We use the G-signature theorem to define an invariant of strongly invertible knots analogous to the knot signature.

Geometric Topology · Mathematics 2021-09-22 Antonio Alfieri , Keegan Boyle

We introduce a mathematician-friendly formulation of the physicist-friendly derivation of the Atiyah-Patodi-Singer index of our previous paper. Our viewpoint sheds some new light on the interplay among the Atiyah-Patodi-Singer boundary…

Differential Geometry · Mathematics 2020-08-26 Hidenori Fukaya , Mikio Furuta , Shinichiroh Matsuo , Tetsuya Onogi , Satoshi Yamaguchi , Mayuko Yamashita

Recently, the Atiyah-Patodi-Singer(APS) index theorem attracts attention for understanding physics on the surface of materials in topological phases. Although it is widely applied to physics, the mathematical set-up in the original APS…

High Energy Physics - Lattice · Physics 2018-04-18 Hidenori Fukaya , Tetsuya Onogi , Satoshi Yamaguchi

The goal of this expository article is to present a proof that is as direct and elementary as possible of the fundamental theorem of complex multiplication (Shimura, Taniyama, Langlands, Tate, Deligne et al.). The article is a revision of…

Number Theory · Mathematics 2007-05-24 J. S. Milne

This paper is a continuation of arXiv:0706.3511, where we obtained a local index formula for matrix elliptic operators with shifts. Here we establish a cohomological index formula of Atiyah-Singer type for elliptic differential operators…

Operator Algebras · Mathematics 2007-07-27 V. E. Nazaikinskii , A. Yu. Savin , B. Yu. Sternin

We prove an Atiyah-Patodi-Singer index theorem for Dirac operators twisted by C*-vector bundles. We use it to derive a general product formula for eta-forms and to define and study new rho-invariants generalizing Lott's higher rho-form. The…

Differential Geometry · Mathematics 2012-05-02 Charlotte Wahl