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In this paper, we compute the spectral Einstein functional associated with the Dirac operator with torsion on even-dimensional spin manifolds without boundary.

Differential Geometry · Mathematics 2025-03-26 Jin Hong , Yong Wang

The spectral metric and Einstein functionals defined by two vector fields and Laplace-type operators over vector bundles, giving an interesting example of the spinor connection and square of the Dirac operator. Motivated by the spectral…

Differential Geometry · Mathematics 2025-06-09 Jian Wang , Yong Wang

For two one-forms and the Dirac operator, Dabrowski etc. recovered the spectral Einstein functionals by computing their noncommutative residue in Theorem 4.1 \cite{DL}. In this paper, we generalize the results of Dabrowski etc. to the cases…

Differential Geometry · Mathematics 2023-08-01 Jian Wang , Yong Wang , Tong Wu , Yuchen Yang

This paper aims to provide an explicit computation of the equivariant noncommutative residue density of which yield the metric and Einstein tensors on even-dimensional Riemannian manifolds. A considerable contribution of this paper is the…

Differential Geometry · Mathematics 2023-08-29 Jian Wang , Yong Wang

In this paper, we define the spectral Einstein functional associated with the Dirac operator for manifolds with boundary. And we give the proof of Kastler-Kalau-Walze type theorem for the spectral Einstein functional associated with the…

Differential Geometry · Mathematics 2022-12-26 Tong Wu , Yong Wang

In this paper, we give the definitions of the non-self-adjoint spectral triple and its spectral Einstein functional. We compute the spectral Einstein functional associated with the nonminimal de Rham-Hodge operator on even-dimensional…

Differential Geometry · Mathematics 2025-02-11 Hongfeng Li , Yong Wang

We define bilinear functionals of vector fields and differential forms, the densities of which yield the metric and Einstein tensors on even-dimensional Riemannian manifolds. We generalise these concepts in non-commutative geometry and, in…

Differential Geometry · Mathematics 2023-06-09 Ludwik Dąbrowski , Andrzej Sitarz , Paweł Zalecki

We examine the metric and Einstein bilinear functionals of differential forms introduced in Adv.Math.,Vol.427,(2023)1091286, for Hodge-Dirac operator $d+\delta$ on an oriented even-dimensional Riemannian manifold. We show that they…

Differential Geometry · Mathematics 2024-08-22 Ludwik Dąbrowski , Paweł Zalecki , Andrzej Sitarz

In this paper, we introduce the spectral Einstein functional for perturbations of Dirac operators on manifolds with boundary. Furthermore, we provide the proof of the Dabrowski-Sitarz-Zalecki type theorems associated with the spectral…

Geometric Topology · Mathematics 2023-12-06 Sining Wei , Yong Wang

Let $M$ be a compact Riemannian manifold endowed with an isometric action of a compact Lie group. The method of the Witten deformation is used to compute the virtual representation-valued equivariant index of a transversally elliptic, first…

Differential Geometry · Mathematics 2021-01-28 Igor Prokhorenkov , Ken Richardson

The goal of this article is to generalise the Witten deformation to even dimensional conic manifolds and a class of functions called admissible Morse functions.

Differential Geometry · Mathematics 2010-11-25 Ursula Ludwig

In this paper, we define the spectral Einstein functional associated with the sub-Dirac operator for manifolds with boundary. A proof of the Dabrowski-Sitarz-Zalecki type theorem for spectral Einstein functions associated with the sub-Dirac…

Differential Geometry · Mathematics 2024-04-02 Jin Hong , Yuchen Yang , Yong Wang

Recently Dabrowski etc. \cite{DL} obtained the metric and Einstein functionals by two vector fields and Laplace-type operators over vector bundles, giving an interesting example of the spinor connection and square of the Dirac operator.…

Differential Geometry · Mathematics 2024-05-21 Jian Wang , Yong Wang , Tong Wu

In this paper, we derive some spectral (0,4)-tensor functionals by four one-forms and the Dirac operator and the noncommutative residue on even-dimensional compact spin manifolds without boundary. Then, we extend these spectral (0,4)-tensor…

Differential Geometry · Mathematics 2025-03-04 Hongfeng Li , Yong Wang

In [17], we obtained the spectral Einstein functional associated with the Dirac operator for n-dimensional manifolds without boundary. In this paper, we give the proof of general Dabrowski-Sitarz-Zalecki type theorems for the spectral…

Differential Geometry · Mathematics 2023-08-31 Tong Wu , Yong Wang

In this paper we compute the Reidemeister torsion of a isoenergetic surface for the integrable Hamiltonian system on the four-dimensional symplectic manifold. We use the spectral sequence defined by the filtration and following Witten-Floer…

Dynamical Systems · Mathematics 2007-05-23 Alexander Fel'shtyn , Hector Sánchez-Morgado

This article describes a formula for second variation of generalized Einstein-Hilbert functional on Riemannian manifolds. This work extends the definition of stable Einstein manifolds, and we present some properties.

Differential Geometry · Mathematics 2025-01-09 Ahmed Mohammed Cherif

We investigate the leading terms of the spectral action for odd-dimensional Riemannian spin manifolds with the Dirac operator perturbed by a scalar function. We calculate first two Gilkey-de Witt coefficients and make explicit calculations…

Mathematical Physics · Physics 2015-05-20 Andrzej Sitarz , Artur Zajac

As is well-known, the Witten deformation of the De Rham complex computes the De Rham cohomology. In this paper we study the Witten deformation on a noncompact manifold and restrict it to differential forms which behave polynomially near…

Differential Geometry · Mathematics 2007-05-23 Michael Farber , Eugenii Shustin

In this short paper we compute the values of Dijkgraaf-Witten invariants over $Z_2$ for all orientable Seifert manifolds with orientable bases.

Algebraic Topology · Mathematics 2017-02-28 Simon King , Sergei Matveev , Vladimir Tarkaev , Vladimir Turaev
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