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A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,742 papers · 148 categories

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51103154205 · May 202619922001200920172026
48 results for nonminimal de Rham-Hodge operator

Paper defines spectral triple and computes functional for nonminimal de Rham-Hodge operator.

problem Computing spectral functions for nonminimal de Rham-Hodge operators.
method Definitions and computations of spectral triple and functional.
result Computed spectral Einstein functional for even-dimensional compact manifolds.

In this paper, we get a Kastler-Kalau-Walze type theorem associated to nonminimal de Rham-Hodge operators on compact manifolds with boundary. We give two kinds of operator-theoretic explanations of the gravitational action in the case of four dimensional compact manifolds with flat boundary.

2016-07-27abs ↗pdf ↗

The paper proves formulas and theorems for statistical de Rham Hodge operators on manifolds with boundary.

problem Formulating Lichnerowicz type formulas and Kastler-Kalau-Walze theorems for statistical de Rham Hodge operators.
method Developed Lichnerowicz type formulas and proved Kastler-Kalau-Walze type theorems for statistical de Rham Hodge operators on compact manifolds with boundary.
result Proved Lichnerowicz type formulas and Kastler-Kalau-Walze type theorems for statistical de Rham Hodge operators on compact manifolds with boundary.

The paper studies perturbations of de Rham Hodge operators on manifolds with or without boundaries.

problem Analyzing perturbations of de Rham Hodge operators on manifolds with boundaries.
method Lichnerowicz type formulas and Kastler-Kalau-Walze type theorems for 4D and 6D compact manifolds with or without boundaries.
result Proves Kastler-Kalau-Walze type theorems for perturbations of de Rham Hodge operators on 4D and 6D manifolds with or without boundaries.

Promotes spectral functionals to noncommutative fields and proves a theorem.

problem Spectral functionals on noncommutative fields and manifolds with boundary.
method Carries out promotion to spectral functionals, associates with noncommutative residue, and proves theorem.
result Proves Dabrowski-Sitarz-Zalecki type theorem for statistical de Rham Hodge operators on manifolds with boundary.

Paper introduces a new multilinear functional for spectral triples and computes its properties.

problem Computing properties of spectral triples and their associated Hodge operators.
method Introduces a new multilinear functional for spectral triples and computes its properties using noncommutative residue and perturbed de-Rham Hodge operators.
result Recover two forms, torsion of the linear connection, and four forms by the noncommutative residue and perturbed de-Rham Hodge Dirac triple.

Unified method for analyzing evolving manifolds using de Rham-Hodge theory.

problem Analysis of evolving geometric and topological properties of manifolds.
method Evolutionary de Rham-Hodge method applied to filtration-induced families of de Rham complexes.
result Three sets of topology-preserving singular spectra reveal topological persistence and geometric progression.

Recent years have witnessed a trend that advanced mathematical tools, such as algebraic topology, differential geometry, graph theory, and partial differential equations, have been developed for describing biological macromolecules. These tools have considerably strengthened our ability to understand the molecular mech…

2019-08-01abs ↗pdf ↗

These lecture notes in the De Rham-Hodge theory are designed for a 1-semester undergraduate course (in mathematics, physics, engineering, chemistry or biology). This landmark theory of the 20th Century mathematics gives a rigorous foundation to modern field and gauge theories in physics, engineering and physiology. The…

2008-07-31abs ↗pdf ↗

The paper bounds bandwidth and focal radius for manifolds with positive isotropic curvature.

problem Bounding bandwidth and focal radius for manifolds with positive isotropic curvature.
method Using spectral properties of a twisted de Rham-Hodge operator.
result Upper bounds on bandwidth and focal radius are derived for hypersurfaces in PIC manifolds.

Computer algebra methods are applied to investigation of spectral asymptotics of elliptic differential operators on curved manifolds with torsion and in the presence of a gauge field. In this paper we present complete expressions for the second coefficient (E_2) in the heat kernel expansion for nonminimal operator on m…

2000-04-13abs ↗pdf ↗

Study biharmonic conformal immersions into anti-de Sitter space, proving rigidity and local existence.

problem Analyzing biharmonic conformal immersions of surfaces into anti-de Sitter space.
method Using a sign convention and a cohomogeneity-one analytic system, proving local existence for nonconstant mean curvature and dilation.
result Local existence and rigidity results for biharmonic conformal immersions into anti-de Sitter space.

Study biharmonic conformal immersions into anti-de Sitter space, proving rigidity and local existence.

problem Analyzing biharmonic conformal immersions of surfaces into anti-de Sitter space.
method Using a sign convention, expressing biharmonic equation in terms of induced metric and curvature, deriving cohomogeneity-one analytic system, and solving scalar third-order ODE.
result Local existence and rigidity of biharmonic conformal immersions with nonconstant dilation.

Given a smooth hermitean vector bundle VV of fiber CN\mathbb{C}^N over a compact Riemannian manifold and \nabla a covariant derivative on VV, let P=(g1/2μg1/2gμνuν+pμμ+q)P = -(\lvert g \rvert^{-1/2} \nabla_μ\lvert g \rvert^{1/2} g^{μν} u \nabla_ν+ p^μ\nabla_μ+q) be a nonminimal Laplace type operator acting on smooth sections of VV wher…

2019-01-05abs ↗pdf ↗

Witten- Helffer-Sjöstrand theory is a considerable addition to the De Rham- Hodge theory for Riemannian manifolds and can serve as a general tool to prove results about comparison of numerical invariants associated to compact manifolds analytically, i.e. by using a Riemannian metric, or combinatorially, i.e by using a …

1998-07-02abs ↗pdf ↗

Let PP be a Laplace type operator acting on a smooth hermitean vector bundle VV of fiber CN\mathbb{C}^N over a compact Riemannian manifold given locally by P=[gμνu(x)μν+vν(x)ν+w(x)]P= - [g^{μν} u(x)\partial_μ\partial_ν+ v^ν(x)\partial_ν+ w(x)] where u,vν,wu,\,v^ν,\,w are MN(C)M_N(\mathbb{C})-valued functions with u(x)u(x) positive and invertible. F…

2017-07-30abs ↗pdf ↗

We extend the study of the de Rham operator with ideal boundary conditions from the case of isolated conic singularities, as analyzed by Cheeger, to the case of arbitrary stratified pseudomanifolds. We introduce a class of ideal boundary operators and the notion of mezzoperversity, which intermediates between the stand…

2013-07-20abs ↗pdf ↗

New projection operators for multipatch spaces with stable properties.

problem Problems with non-matching interfaces in multipatch spaces.
method Construction of commuting projection operators on de Rham sequences of multipatch spaces with local tensor-product parametrization.
result Local and stable projection operators in any LpL^p norm for shape-regular spline patches with different mappings and local refinements.

Study reveals how boundary wave operator determines metric properties on anti-de Sitter spacetimes.

problem Determining metric properties on anti-de Sitter spacetimes.
method Analysis of Klein-Gordon equation and Dirichlet-to-Neumann map.
result Determines the Taylor series of the bulk metric at the boundary.

The paper classifies and proves properties of symmetry breaking operators for specific groups.

problem Classifying and understanding symmetry breaking operators for de Sitter and Lorentz groups.
method Constructing and classifying differential symmetry breaking operators, proving localness, and showing sporadic nature.
result All symmetry breaking operators are differential and sporadic, not obtainable by residue formulas.

We consider the notion of the De Rham operator on finite-dimensional diffeological spaces such that the diffeological counterpart Λ^1(X) of the cotangent bundle, the so-called pseudo-bundle of values of differential 1-forms, has bounded dimension. The operator is defined as the composition of the Levi-Civita connection…

2017-03-04abs ↗pdf ↗

We are interested in the spectrum of the Hodge-de Rham operator on a cyclic covering XX over a compact manifold MM of dimension n+1n+1. Let ΣΣ be a hypersurface in MM which does not disconnect MM and such that MΣM-Σ is a fundamental domain of the covering. If the cohomology group $H^{n/2 (Σ)$ is trivial, we can con…

2007-08-29abs ↗pdf ↗

Study polynomial structures on generalized tangent bundles and their compatibility with operators.

problem Understanding polynomial structures on generalized tangent bundles.
method Analyzing skew-symmetric endomorphisms satisfying polynomial equations and their compatibility with de Rham and Courant-Dorfman operators.
result Conditions equivalent to integrability of generalized almost complex structures.

We prove an analogue of the de Rham theorem for the extended L^2-cohomology introduced by M. Farber. This is done by establishing that the de Rham complex over a compact closed manifold with coefficients in a flat Hilbert bundle E of A-modules over a finite von Neumann algebra A is chain-homotopy equivalent (with bound…

1996-10-11abs ↗pdf ↗

Constructs a support-preserving homotopy for differential forms with boundary decay estimates.

problem Non-uniqueness of chain homotopies in de Rham complexes with boundary decay properties.
method Constructs a specific chain homotopy with desirable support propagation and boundary decay estimates.
result Obtains a support-preserving right inverse of the divergence operator with optimal decay estimates.