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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.

169,181 papers · 148 categories

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48 results for zeta-function

We describe the Williams zeta functions and the twist zeta functions of sub-Lorenz templates generated by renormalizable Lorenz maps, in terms of the corresponding zeta-functions of the sub-Lorenz templates generated by the renormalized map and by the map that determines the renormalization type.

2010-03-25abs ↗pdf ↗

The paper describes cohomology and zeta functions for fiber bundles over a circle.

problem Understanding leafwise cohomology and dynamical zeta functions for fiber bundles.
method Concrete descriptions of leafwise cohomology groups and regularized determinant expression of dynamical zeta functions.
result Showed a functional equation and formulas for special values of the dynamical zeta function.

The paper connects geodesic flows and higher-dimensional Reidemeister torsion for hyperbolic orbifolds.

problem Understanding the relationship between geodesic flows and higher-dimensional Reidemeister torsion.
method Using the integral expression of the Ruelle zeta function and the Selberg zeta function.
result The absolute value at zero of the Ruelle zeta function equals the higher-dimensional Reidemeister torsion.

Formula derived for zeta functions of 3D foliated systems.

problem Analyzing zeta functions of 3D Riemannian foliated dynamical systems.
method Relating dynamical spectral ξξ-functions to zeta functions using the distributional dynamical Lefschetz trace formula.
result Proved a regularized determinant formula for zeta functions.

Analytic torsion equals dynamical zeta function for certain bundles.

problem Equalities between analytic torsion and dynamical zeta functions.
method Analytic torsion and Ruelle dynamical zeta function for admissible twists.
result Generalization of previous results to admissible twists.

Study of twisted Ruelle zeta function on hyperbolic manifolds and its relation to analytic torsion.

problem Analyzing the twisted Ruelle zeta function on hyperbolic manifolds.
method Investigating the twisted Ruelle zeta function associated with geodesic flow and acyclic representations.
result The twisted Ruelle zeta function equals the square of the refined analytic torsion multiplied by an exponential involving the eta invariant.

We define geometric zeta functions for locally symmetric spaces as generalizations of the zeta functions of Ruelle and Selberg. As a special value at zero we obtain the Reidemeister torsion of the manifold. For hermitian spaces these zeta functions have as special value the quotient of the holomorphic torsion of Ray an…

1995-03-07abs ↗pdf ↗

Complex valued analytic torsion and dynamical zeta function studied on locally symmetric spaces.

problem Analyzing the Ruelle dynamical zeta function on locally symmetric spaces with flat vector bundles.
method Meromorphic extension and regularisation of the dynamical zeta function, relating it to the complex valued analytic torsion.
result The leading term of the dynamical zeta function at zero is related to the regularised determinant of the flat Laplacian.

New formula connects surface singularity zeta function to Reidemeister-Turaev torsion.

problem Calculating Reidemeister-Turaev torsion for non-unitary representations.
method Ruelle zeta function and Reidemeister-Turaev torsion for compact hyperbolic orbisurfaces.
result Value of Ruelle zeta function at 0 equals Reidemeister-Turaev torsion.

Study asymptotics of Selberg zeta function on spin moduli space.

problem Asymptotic behavior of Selberg zeta function for degenerating metrics.
method Analyzes logarithmic derivative of Selberg zeta function for spin Dirac operator on compact surfaces.
result Proves asymptotic expansion up to order t4logtt^4\log t.

The paper explores holonomy, zeta functions, and cohomology in foliated manifolds with stratified boundaries.

problem Understanding symmetries and cohomology in foliated manifolds with stratified boundaries.
method Developed a novel formalism for the Gamma-set and defined an Ihara zeta function to encode symmetries. Investigated the relationship between holonomy and zeta functions, and analyzed how the twist map impacts cohomology.
result Conjectured a duality between holonomy fixed points and the poles of the Ihara zeta function, extending to twisted cohomology classes.

In this note, we study the dynamics and associated zeta functions of conformally compact manifolds with variable negative sectional curvatures. We begin with a discussion of a larger class of manifolds known as convex co-compact manifolds with variable negative curvature. Applying results from dynamics on these spaces,…

2011-06-09abs ↗pdf ↗

Study Brownian loops on hyperbolic surfaces, linking to Selberg zeta function.

problem Understanding Brownian loops on hyperbolic surfaces and their relation to Selberg zeta function.
method Computed mass of loops and related to Selberg zeta function for geometrically finite surfaces.
result Relate total loop mass to Selberg zeta function, providing probabilistic interpretations of determinants.

The theory of geometric zeta functions for locally symmetric spaces as initialized by Selberg and continued by numerous mathematicians is generalized to the case of higher rank spaces. We show analytic continuation, describe the divisor in terms of tangential cohomology and in terms of group cohomology which generalize…

1995-11-10abs ↗pdf ↗

The paper studies asymptotics and zeta functions on compact nilmanifolds.

problem Analyzing asymptotic formulae and zeta functions on compact nilmanifolds.
method Investigates sub-Laplacians and positive Rockland operators on stratified and graded nilpotent Lie groups.
result Shows that the short-time asymptotic on the diagonal of spectral multipliers kernels contains only a single non-trivial term.

The paper consists of four parts. Part I presents a brief survey of the Nielsen fixed point theory. Part II deals with dynamical zeta functions connected with Nielsen fixed point theory. Part III is concerned with congruences for the Reidemeister and Nielsen numbers. Part IV deals with the Reidemeister torsion . In Cha…

1996-04-02abs ↗pdf ↗

For hyperbolic 3-manifolds, Ruelle zeta function vanishing order is 4 minus Betti number.

problem Analyzing the Ruelle zeta function at zero for perturbed hyperbolic 3-manifolds.
method Microlocal approach to dynamical zeta functions, first variation, new identity relating pushforwards of resonant and coresonant forms.
result The order of vanishing of the Ruelle zeta function at zero equals 4 minus Betti number for generic perturbations.

Researchers describe a new dynamical zeta function for certain Hermitian manifolds.

problem Analyzing holomorphic torsion for specific Hermitian locally symmetric manifolds.
method Developed a Weil-type zeta function involving geometry of universal cover.
result Valid for real rank one groups and some rank two groups, but not for all.

Holonomy-preserving transformations help recover Alexander polynomials from graph zeta functions.

problem Recovering Alexander polynomials from graph zeta functions.
method Introducing holonomy to preserve zeta functions of matrix-weighted graphs and extending to group elements and quandles.
result Holonomy-preserving transformations correspond to transformations of group presentations and preserve the twisted Alexander polynomial.

Formula for second variation of Selberg zeta function leads to curvature asymptotics.

problem Determining curvature asymptotics of holomorphic differential vector bundles.
method Explicit formula for second variation of Z(s)Z(s), asymptotic analysis.
result Complete expansion in mm of curvature of holomorphic differential vector bundles.

Authors prove an asymptotic expansion for spectral zeta functions on discrete tori.

problem Proving an asymptotic expansion for spectral zeta functions on discrete tori.
method Inspired by Friedli and Karlsson's work, the authors derive an asymptotic expansion for the spectral zeta function on discrete tori.
result Similar asymptotic expansions hold for m=2 and higher dimensions, equivalent to the Epstein-Riemann conjecture.

The paper connects fractional Laplacians on spheres to number theory and differential geometry.

problem Fractional Laplacians on the sphere and their connections to number theory.
method Analyzing fractional powers of the Laplacian, using the Dirichlet-to-Neumann map, and the heat semigroup.
result Precise pointwise descriptions and formulas for fractional Laplacians on spheres.

We extend the calculus of adiabatic pseudo-differential operators to study the adiabatic limit behavior of the eta and zeta functions of a differential operator δδ, constructed from an elliptic family of operators indexed by S1S^1. We show that the regularized values η(δt,0)η(δ_t,0) and tζ(δt,0)tζ(δ_t,0) are smooth functions of …

2002-04-12abs ↗pdf ↗

To a finite, connected, unoriented graph of Betti-number g>=2 and valencies >=3 we associate a finitely summable, commutative spectral triple (in the sense of Connes), whose induced zeta functions encode the graph. This gives another example where non-commutative geometry provides a rigid framework for classification.

2009-04-08abs ↗pdf ↗

We study the spectral functions, and in particular the zeta function, associated to a class of sequences of complex numbers, called of spectral type. We investigate the decomposability of the zeta function associated to a double sequence with respect to some simple sequence, and we provide a technique for obtaining the…

2006-07-31abs ↗pdf ↗

New LL-functions for 3-manifolds connect to Witten invariants and relate to generalized Bernoulli polynomials.

problem Understanding LL-functions for 3-manifolds and their invariants.
method Using Mellin transforms and asymptotic techniques, proving entire functions and their values.
result Linear relations between LL-function values at negative integers, generalizing known zeta functions.

We prove the equality of the analytic torsion and the value at zero of a Ruelle dynamical zeta function associated with an acyclic unitarily flat vector bundle on a closed locally symmetric reductive manifold. This solves a conjecture of Fried. This article should be read in conjunction with an earlier paper by Moscovi…

2016-02-01abs ↗pdf ↗

We present the theory of pseudodifferential operators acting on a vector orbibundle over an orbifold, construct the zeta function of an elliptic pseudodifferential operator and show the existence of a meromorphic extension to the complex plane with at most simple poles. We give formulas for generalized densities on the…

1999-12-30abs ↗pdf ↗

Proves functional equation for twisted Ruelle zeta function on hyperbolic surfaces.

problem Determines the functional equation for twisted Ruelle zeta functions.
method Analyzes scattering matrix and uses topological data of hyperbolic surfaces.
result Determines the order of the divisor of R(s,χ) at s=0 and computes its Laurent expansion.