English
Related papers

Related papers: Spectral forms and de-Rham Hodge operator

200 papers

We introduce a trilinear functional of differential one-forms for a finitely summable regular spectral triple with a noncommutative residue. We demonstrate that for a canonical spectral triple over a closed spin manifold it recovers the…

Quantum Algebra · Mathematics 2024-08-22 Ludwik Dąbrowski , Andrzej Sitarz , Paweł Zalecki

In this paper, we investigate some new spectral torsion which is the extension of spectral torsion for Dirac operators, and compute the spectral torsion associated with nonminimal de Rham-Hodge operators on manifolds with (or without)…

Mathematical Physics · Physics 2025-09-25 Jian Wang , Yong Wang

The spectral torsion is defined by three vector fields and Dirac operators and the noncommutative residue. Motivated by the spectral torsion and the one form rescaled Dirac operator, we give some new spectral torsion which is the extension…

Differential Geometry · Mathematics 2025-05-30 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

Inspired by statistical de Rham Hodge operators and the spectral functionals, we carry on some promotion to spectral functionals to noncommutative fields, and associate them with the noncommutative residue on manifolds with boundary. We…

Differential Geometry · Mathematics 2026-02-03 Yuchen Yang , Yong Wang

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

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 the paper, we give four different examples of the rescaled Dirac operator by the perturbation of the function f. Further, based on the trilinear Clifford multiplication by functional of differential one-forms, we compute the spectral…

Differential Geometry · Mathematics 2025-06-09 Tong Wu , 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 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

In [10], Dabrowski etc. gave spectral Einstein bilinear functionals of differential forms for the Hodge-Dirac operator $d+\delta$ on an oriented even-dimensional Riemannian manifold. In this paper, we generalize the results of Dabrowski…

Differential Geometry · Mathematics 2023-09-15 Tong Wu , Yong Wang

We investigate spectral functionals associated with Dirac and Laplace-type differential operators on manifolds, defined via the Wodzicki residue, extending classical results for Dirac operators derived from the Levi-Civita connection to…

Mathematical Physics · Physics 2026-04-15 Arkadiusz Bochniak , Ludwik Dąbrowski , Andrzej Sitarz , Paweł Zalecki

We derive a formula for the gravitational part of the spectral action for Dirac operators on 4-dimensional manifolds with totally anti-symmetric torsion. We find that the torsion becomes dynamical and couples to the traceless part of the…

High Energy Physics - Theory · Physics 2010-11-09 Florian Hanisch , Frank Pfaeffle , Christoph A. Stephan

A review on spectral and differential-geometric properties of Delsarte transmutation operators in multidimension is given. Their differential geometrical and topological structure in multidimension is analyzed, the relationships with De…

Mathematical Physics · Physics 2007-05-23 Y. A. Prykarpatsky , A. M. Samoilenko , A. K. Prykarpatsky

Spectral properties od Delsarte transmutation operators are studied, their differential geometrical and topological structure in multidimension is analyzed, the relationships with De Rham-Hodge-Skrypnik theory of generalized differential…

Mathematical Physics · Physics 2009-11-10 Y. A. Prykarpatsky , A. M. Samoilenko , A. K. Prykarpatsky

In this paper we study spectral triples and non-commutative expectations associated to expanding and weakly expanding maps. In order to do so, we generalize the Perron-Frobenius-Ruelle theorem and obtain a polynomial decay of the operator,…

Dynamical Systems · Mathematics 2024-03-27 Leandro Cioletti , L. Y. Hataishi , Artur O. Lopes , M. Stadlbauer

We generalize the notion of spectral triple with reality structure to spectral triples with multitwisted real structure, the class of which is closed under the tensor product composition. In particular, we introduce a multitwisted order one…

Quantum Algebra · Mathematics 2020-11-13 Ludwik Dabrowski , Andrzej Sitarz

The differential-geometric and topological structure of Delsarte transmutation operators and associated with them Gelfand-Levitan-Marchenko type eqautions are studied making use of the De Rham-Hodge-Skrypnik differential complex. The…

Mathematical Physics · Physics 2007-05-23 Y. A. Prykarpatsky , A. M. Samoilenko , A. K. Prykarpatsky

We consider spectral sequences in smooth generalized cohomology theories, including differential generalized cohomology theories. The main differential spectral sequences will be of the Atiyah-Hirzebruch (AHSS) type, where we provide a…

Algebraic Topology · Mathematics 2018-08-07 Daniel Grady , Hisham Sati

This paper discusses a generalization of spectral representations related to convex one-homogeneous regularization functionals, e.g. total variation or $\ell^1$-norms. Those functionals serve as a substitute for a Hilbert space structure…

Numerical Analysis · Mathematics 2015-03-19 Martin Burger , Lina Eckardt , Guy Gilboa , Michael Moeller
‹ Prev 1 2 3 10 Next ›