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arXiv research

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.

168,695 papers · 148 categories

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83167250333 · Oct 202519922001200920172026
48 results for integral manifolds

Proves a theorem for normal distributions on manifolds with boundary.

problem Normal distributions on manifolds with boundary require a new approach to integration.
method Introduces neat integral manifolds with boundary and conditions for integrability.
result Conditions for integrability expressed in terms of adapted collars and integrability on interior and boundary.

New integrable deformations for topological hierarchies from Frobenius manifolds.

problem Integrable deformations of topological hierarchies from Frobenius manifolds.
method Construction of integrable deformations with polynomial tau-structures.
result Conjecture of universal object for Riemann--Hopf hierarchy.

The article constructs stochastic integration in Riemannian manifolds.

problem No specific problem stated; focuses on the construction of stochastic integration.
method Functional-analytic approach to stochastic integration in Riemannian manifolds.
result There are infinitely many stochastic integrals, and they are related by a simple formula.

Integral foliated simplicial volume is a version of simplicial volume combining the rigidity of integral coefficients with the flexibility of measure spaces. In this article, using the language of measure equivalence of groups we prove a proportionality principle for integral foliated simplicial volume for aspherical m…

2014-03-18abs ↗pdf ↗

Integral simplicial volume is a homotopy invariant of oriented closed connected manifolds, defined as the minimal weighted number of singular simplices needed to represent the fundamental class with integral coefficients. We show that odd-dimensional spheres are the only manifolds with integral simplicial volume equal …

2015-09-01abs ↗pdf ↗

Extends integrability to cosymplectic manifolds.

problem Integrability of Hamiltonian systems on cosymplectic manifolds.
method Extended Arnold-Liouville and noncommutative integrability to cosymplectic manifolds, proved a variant of non-commutative integrability for specific fields, constructed action-angle variables.
result Variant of non-commutative integrability for evaluation and Reeb vector fields on cosymplectic manifolds.

The geodesic flow of a Riemannian metric on a compact manifold QQ is said to be toric integrable if it is completely integrable and the first integrals of motion generate a homogeneous torus action on the punctured cotangent bundle TQQT^*Q\setminus{Q}. If the geodesic flow is toric integrable, the cosphere bundle admit…

2004-06-10abs ↗pdf ↗

The study proves conditions for Hermitian metrics on compact almost complex manifolds.

problem Conditions for Hermitian metrics on compact almost complex manifolds.
method Analyzes compact almost complex manifolds with Hermitian metrics and integral conditions involving \overline \partial-harmonic (0,1)(0,1)-forms.
result The integral condition is automatically satisfied for strongly Gauduchon metrics, and equivalent to being strongly Gauduchon for integrable almost complex structures.

We show that various notions of integrability for Poisson brackets are all equivalent, and we give the precise obstructions to integrating Poisson manifolds. We describe the integration as a symplectic quotient, in the spirit of the Poisson sigma-model of Cattaneo and Felder. For regular Poisson manifolds we express th…

2002-10-10abs ↗pdf ↗

The paper proves integral formulas for manifolds with multiple orthogonal distributions.

problem Understanding geometric properties of manifolds with multiple orthogonal distributions.
method Develops integral formulas for Riemannian manifolds with k>2k>2 orthogonal complementary distributions.
result Generalizes known formulas for k=2k=2 and applies to manifold splitting and immersions.

Maps between certain Lipschitz manifolds are isometries if they preserve volume.

problem Volume preservation and isometry conditions for Lipschitz manifolds.
method Volume-preserving 1-Lipschitz maps from integral currents onto infinitesimally Euclidean Lipschitz manifolds.
result Volume-preserving maps are isometries under given conditions.

A symplectic integration of a Poisson manifold (M,Λ)(M,Λ) is a symplectic groupoid (Γ,η)(Γ,η) which realizes the given Poisson manifold, i.e. such that the space of units Γ0Γ_0 with the induced Poisson structure Λ0Λ_0 is isomorphic to (M,Λ)(M,Λ). This notion was introduced by A. Weinstein in order to quantize Poisson manifolds …

1994-07-20abs ↗pdf ↗

Perfect pairing for tropical cycles on integral affine manifolds.

problem Computing period integrals and versality of Calabi-Yau degenerations.
method Introducing a cap product pairing and using simplicial methods for constructible sheaves.
result The pairing is perfect in degree one for symplectic singularities.

We discuss a recurrent geometrical method, due to Élie Cartan and von Weber ([1],[11]) enabling us to determine, step by step, the maximal integral manifolds of a not necessarily integrable nor regular Pfaffian system. The dimensions of such integral manifolds can, of course, vary from point to point but more so can va…

2016-08-09abs ↗pdf ↗

Paper rigorously defines Feynman graph integrals on Kähler manifolds.

problem Establishing convergence of Feynman graph integrals on Kähler manifolds.
method Using Getzler's rescaling technique, graph integrands are extended to forms with divisorial-type singularities in the compactification of configuration spaces.
result Feynman graph integrals are rigorously defined as Cauchy principal value integrals.

Study variational problems for integral invariants of maps between pseudo-Riemannian manifolds.

problem Understanding variational properties of integral invariants defined from the second fundamental form.
method Derive first variational formulae for integral invariants of degree two, show Euler-Lagrange equation for Chern-Federer energy, and provide examples of submanifolds.
result The Euler-Lagrange equation of the Chern-Federer energy functional reduces to a second order PDE.

The paper shows inequality and rigidity for manifolds with integral Ricci curvature.

problem Analyzing structures of manifolds with integral Ricci curvature.
method Using segment inequality and similar methods as in \cite{CC1}, derive almost rigidity structure results.
result Sharp Hölder continuity result holds in the limit space of manifolds with integral Ricci curvature bound.

We study nn-dimensional Kähler manifolds whose geodesic flows possess nn first integrals in involution that are fibrewise hermitian forms and simultaneously normalizable. Under some mild assumption, one can associate with such a manifold an nn-dimensional commutative Lie algebra of infinitesimal automorphisms. This,…

1995-09-20abs ↗pdf ↗

We consider the relation between simplicial volume and two of its variants: the stable integral simplicial volume and the integral foliated simplicial volume. The definition of the latter depends on a choice of a measure preserving action of the fundamental group on a probability space. We show that integral foliated s…

2015-06-18abs ↗pdf ↗

Constructs integrable hierarchies for generalized Frobenius manifolds with non-flat unity.

problem Integrable hierarchies for generalized Frobenius manifolds with non-flat unity.
method Constructs a bihamiltonian integrable hierarchy of hydrodynamic type.
result Integrable hierarchy possesses Virasoro symmetries and a tau structure.

The linking integral is an invariant of the link-type of two manifolds immersed in a Euclidean space. It is shown that the ordinary Gauss integral in three dimensions may be simplified to a winding number integral in two dimensions. This result is then generalized to show that in certain circumstances the linking integ…

2009-07-20abs ↗pdf ↗

We show that non-elliptic prime 3-manifolds satisfy integral approximation for the simplicial volume, i.e., that their simplicial volume equals the stable integral simplicial volume. The proof makes use of integral foliated simplicial volume and tools from ergodic theory.

2019-10-14abs ↗pdf ↗

Affine manifolds are called integral if there is an atlas such that all transition maps are affine transformations with integer matrices of linear parts. In this paper we describe all complete integral affine structures on compact three-dimensional manifolds up to a finite-sheeted covering. Also a complete list of inte…

2018-12-23abs ↗pdf ↗

Study compares isoperimetric profiles on manifolds with integral Ricci curvature bounds.

problem Comparing isoperimetric profiles on manifolds with integral Ricci curvature bounds.
method Extending previous work, the study uses integral bounds on Ricci curvature to prove comparison results for isoperimetric profile functions.
result Comparison results for the Isoperimetric profile function in manifolds with integral bounds on Ricci curvature.

We prove that a holomorphic Lie algebroid is integrable if, and only if, its underlying real Lie algebroid is integrable. Thus the integrability criteria of Crainic-Fernandes do also apply in the holomorphic context without any modification. As a consequence we give another proof of the following theorem: a holomorphic…

2008-03-13abs ↗pdf ↗

Generalized Huber's theorem for specific manifold curvature types.

problem Finite point conformal compactification on manifolds with certain curvature integrability.
method Generalization of Huber's theorem to higher dimensions with $L^ rac{n}{2}$ integrable Ricci curvatures.
result Validated finite point conformal compactification theorem for new class of manifolds.

For a Hamiltonian, proper and free action of a Lie group GG on a Dirac manifold (M,L)(M,L), with a regular moment map μ:Mgμ:M\to \mathfrak{g}^*, the manifolds M/GM/G, μ1(0)μ^{-1}(0) and μ1(0)/Gμ^{-1}(0)/G all have natural induced Dirac structures. If (M,L)(M,L) is an integrable Dirac structure, we show that M/GM/G is always integrable,…

2013-11-28abs ↗pdf ↗

The article proves integral formulas for foliated sub-Riemannian manifolds.

problem Integral formulas for foliated sub-Riemannian manifolds.
method Proved a series of integral formulae involving mean curvatures, Newton transformations, and curvature tensor.
result Generalized known integral formulas for codimension-one foliations.