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A locally conformally product (LCP) structure on a compact conformal manifold is a closed non-exact Weyl connection (i.e.~a linear connection which is locally but not globally the Levi-Civita connection of Riemannian metrics in the…

Differential Geometry · Mathematics 2024-04-30 Viviana del Barco , Andrei Moroianu

We study quantization schemes on a K\"ahler manifold and relate several interesting structures. We first construct Fedosov's star products on a K\"ahler manifold $X$ as quantizations of Kapranov's $L_\infty$-algebra structure. Then we…

Quantum Algebra · Mathematics 2022-05-02 Kwokwai Chan , Naichung Conan Leung , Qin Li

This is a research monograph on symplectic cohomology (disguised as an advanced graduate textbook), which provides a construction of this version of Hamiltonian Floer cohomology for cotangent bundles of closed manifolds. The focus is on the…

Symplectic Geometry · Mathematics 2014-01-28 Mohammed Abouzaid

In this paper, we investigate the behaviour of the Serre spectral sequence with respect to the algebraic structures of string topology in generalized homology theories, specificially with the Chas-Sullivan product and the corresponding…

Algebraic Topology · Mathematics 2016-01-20 Lennart Meier

In this paper we study the classifying spaces of graph products of simplicial groups and connected Hopf algebras over a field, and show that they can be uniformly treated under the framework of polyhedral products. It turns out that these…

Algebraic Topology · Mathematics 2023-11-15 Li Cai

We prove that the pair-of-pants product on the Floer homology of the cotangent bundle of a compact manifold M corresponds to the Chas-Sullivan loop product on the singular homology of the loop space of M. We also prove related results…

Symplectic Geometry · Mathematics 2015-06-18 Alberto Abbondandolo , Matthias Schwarz

We show that Lupercio-Uribe-Xicot\'{e}ncatl's orbifold loop product and coproduct can be described by a group cohomology class in some cases. By computing this cohomology class, we show that in some cases the orbifold loop product is…

Algebraic Topology · Mathematics 2021-01-21 Yasuhiko Asao

We study the space of paths in a closed manifold $M$ with endpoints determined by an involution $f\colon M\to M$. If the involution is fixed point free and if $M$ is $2$-connected then this path space is the universal covering space of the…

Differential Geometry · Mathematics 2025-03-28 Maximilian Stegemeyer

Using the loop coproduct, Menichi proved that the cup product with the orientation class vanishes for a closed connected oriented manifold with non-trivial Euler characteristic. We generalize this to the sphere spaces, i.e. the mapping…

Algebraic Topology · Mathematics 2019-05-03 Shun Wakatsuki

For a Poincare duality space X and a map X -> B, consider the homotopy fiber product X x^B X. If X is orientable with respect to a multiplicative cohomology theory E, then, after suitably regrading, it is shown that the E-homology of X x^B…

Algebraic Topology · Mathematics 2007-05-23 John R. Klein

Let G be a compact Lie group. Let E be a principal G-bundle over a closed manifold M, and Ad(E) its adjoint bundle. In this paper we describe a new Frobenius algebra structure on h_*(Ad(E)), where h_* is an appropriate generalized homology…

Algebraic Topology · Mathematics 2007-05-23 Kate Gruher

This paper exhibits fundamental structure underlying Lie algebra homology with coefficients in tensor products of the adjoint representation, mostly focusing upon the case of free Lie algebras. The main result yields a DG category that is…

Algebraic Topology · Mathematics 2023-09-15 Geoffrey Powell

In this paper we establish a connection between the loop space homology of the generalization of wedge defined by a simplicial complex K (so called polyhedral product) and the homology of certain diagonal arrangements associated with K. We…

Algebraic Topology · Mathematics 2009-01-20 Natalia Dobrinskaya

Let $X$ be a simply connected closed oriented manifold of rationally elliptic homotopy type. We prove that the string topology bracket on the $S^1$-equivariant homology $\overline{H}_{\ast}^{S^1}(\mathcal{L}X,\mathbb{Q}) $ of the free loop…

Quantum Algebra · Mathematics 2021-07-01 Yuri Berest , Ajay C. Ramadoss , Yining Zhang

We construct cup and cap products in intersection (co)homology with field coefficients. The existence of the cap product allows us to give a new proof of Poincare duality in intersection (co)homology which is similar in spirit to the usual…

Algebraic Topology · Mathematics 2013-11-13 Greg Friedman , James McClure

For a fixed closed manifold $P$, we construct a cobordism category of embedded manifolds with a single Baas-Sullivan singularity of type $P$. Our main theorem identifies the homotopy type of the classifying space of this cobordism category…

Algebraic Topology · Mathematics 2014-12-15 Nathan Perlmutter

This paper is an exposition of the new subject of String Topology. We present an introduction to this exciting new area, as well as a survey of some of the latest developments, and our views about future directions of research. We begin…

Geometric Topology · Mathematics 2007-05-23 Ralph L. Cohen , Alexander A. Voronov

In this paper, we generalize the geometry of the product pseudo-Riemannian manifold equipped with the product Poisson structure (\cite{Nas2}) to the geometry of a warped product of pseudo-Riemannian manifolds equipped with a warped Poisson…

Differential Geometry · Mathematics 2019-11-13 Yacine Aït Amrane , Rafik Nasri , Ahmed Zeglaoui

In this expository paper we discuss a project regarding the string topology of a manifold, that was inspired by recent work of Moore-Segal, Costello, and Hopkins and Lurie, on "open-closed topological conformal field theories". Given a…

Algebraic Topology · Mathematics 2009-06-30 Andrew J. Blumberg , Ralph L. Cohen , Constantin Teleman

We deal with smooth real manifolds as well as complex analytic manifolds as well. It is well known that the concept of star product is powerful enough to produce all Poisson structures on real manifolds. According to [BdM] it is not known…

Differential Geometry · Mathematics 2016-09-07 Michel Nguiffo Boyom
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