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We define refined invariants which "count" nodal curves in sufficiently ample linear systems on surfaces, conjecture that their generating function is multiplicative, and conjecture explicit formulas in the case of K3 and abelian surfaces.…

Algebraic Geometry · Mathematics 2015-09-01 Lothar Göttsche , Vivek Shende

We propose a definition for analytic torsion of the Rumin complex on contact manifolds. This is given by the derivative at zero of a well-chosen combination of zeta functions of a fourth-order modified Rumin Laplacian. The regular value at…

Differential Geometry · Mathematics 2008-02-04 Neil Seshadri

In the spirit of Ray and Singer we define a complex valued analytic torsion using non-selfadjoint Laplacians. We establish an anomaly formula which permits to turn this into a topological invariant. Conjecturally this analytically defined…

Differential Geometry · Mathematics 2015-06-09 Dan Burghelea , Stefan Haller

Let X be a closed Riemannian manifold and let H\hookrightarrow X be an embedded hypersurface. Let X=X_+ \cup_H X_- be a decomposition of X into two manifolds with boundary, with X_+ \cap X_- = H. In this expository article, surgery -- or…

Differential Geometry · Mathematics 2007-05-23 Rafe Mazzeo , Paolo Piazza

For a non-compact hyperbolic 3-manifold with cusps we prove an explicit formula that relates the regularized analytic torsion associated to the even symmetric powers of the standard representation of SL_2(C) to the corresponding…

Spectral Theory · Mathematics 2012-06-04 Jonathan Pfaff

In this paper we construct the analogue of Dedekind eta function for odd dimensional CY manifolds. We use the theory of determinant line bundles. We constructed a canonical holomorphic section $\eta^{N}$ of some power of the determinant…

Algebraic Geometry · Mathematics 2007-05-23 Andrey Todorov

We prove an extension of the Cheeger-M\"{u}ller theorem to spaces with isolated conical singularities: the $L^2$-analytic torsion coincides with the Ray-Singer intersection torsion on an even dimensional space, and they are trivial, while…

Spectral Theory · Mathematics 2020-01-24 Luiz Hartmann , Mauro Spreafico

For a closed manifold equipped with a Riemannian metric, a triangulation, a representation of its fundamental group on an Hilbert module of finite type (over of finite von Neumann algebra), and a Hermitian structure on the flat bundle…

dg-ga · Mathematics 2007-05-23 D. Burghelea , L. Friedlander , T. Kappeler

We prove that every smooth CR manifold $M\subset\subset \C^n$, of hypersurface type, has a complex strip-manifold extension in $\C^n$. If $M$ is, in addition, pseudoconvex-oriented, it is the "exterior" boundary of the strip. In turn, the…

Complex Variables · Mathematics 2012-11-06 Luca Baracco

We study eta-invariants on odd dimensional manifolds with boundary. The dependence on boundary conditions is best summarized by viewing the (exponentiated) eta-invariant as an element of the (inverse) determinant line of the boundary. We…

High Energy Physics - Theory · Physics 2016-09-06 Xianzhe Dai , Daniel S. Freed

We study a variational problem on a smooth manifold with a decomposition of the tangent bundle into $k>2$ subbundles (distributions), namely, we consider the integrated sum of their mixed scalar curvatures as a functional of adapted…

Differential Geometry · Mathematics 2023-01-27 Vladimir Rovenski , Tomasz Zawadzki

The invariant integration method for Chern-Simons theory for gauge group SU(2) and manifold \Gamma\H^3 is verified in the semiclassical approximation. The semiclassical limit for the partition function associated with a connected sum of…

High Energy Physics - Theory · Physics 2009-10-31 A. A. Bytsenko , A. E. Goncalves , W. da Cruz

We show that the real-analytic matrix-weighted double fibration transform determines the analytic wavefront set of a vector-valued function. We apply this result to show that the matrix weighted ray transform is injective on a…

Analysis of PDEs · Mathematics 2026-05-07 Hiroyuki Chihara , Shubham R. Jathar , Jesse Railo

In this paper we define a Poincar\'e-Reidemeister scalar product on the determinant line of the cohomology of any flat vector bundle over a closed orientable odd-dimensional manifold. It is a combinatorial "torsion-type" invariant which…

Differential Geometry · Mathematics 2007-05-23 Michael Farber , Vladimir Turaev

We characterize the global maximizers of a certain non-local functional defined on the space of all positively curved metrics on an ample line bundle L over a Kahler manifold X. This functional is an adjoint version, introduced by…

Differential Geometry · Mathematics 2010-06-16 Robert J. Berman

I extend the framework of rigid analytic geometry to the setting of algebraic geometry relative to monoids, and study the associated notions of separated, proper, and overconvergent morphisms. The category of affine manifolds embeds as a…

Algebraic Geometry · Mathematics 2015-05-29 Andrew W. Macpherson

This paper presents a perturbation analysis framework for nonsmooth optimization on connected Riemannian manifolds to bridge the gap between the rapid development of algorithmic approaches and a robust theoretical foundation. Using…

Optimization and Control · Mathematics 2025-10-01 Yuexin Zhou , Chao Ding , Yangjing Zhang

In this paper we study the asymptotic behavior of the analytic torsion for compact, oriented hyperbolic manifolds with respect to certain rays of representations obtained by restriction of irreducible representations of the group of…

Spectral Theory · Mathematics 2011-08-12 Werner Mueller , Jonathan Pfaff

The method of refined algebraic quantization of constrained systems which is based on modification of the inner product of the theory rather than on imposing constraints on the physical states is generalized to the case of constrained…

High Energy Physics - Theory · Physics 2007-05-23 Oleg Yu. Shvedov

The purpose of this article is to study the asymptotic expansion of Ray-Singer analytic tosion associated with increasing powers p of a given positive line bundle. Here we prove that the asymptotic expansion associated to a manifold…

Differential Geometry · Mathematics 2018-10-18 Siarhei Finski