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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.

169,291 papers · 148 categories

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48 results for partial results

The paper studies maps from pseudo-Hermitian to Kähler manifolds, proving harmonic map properties.

problem Analyzing maps between pseudo-Hermitian and Kähler manifolds.
method Investigates partial energy functionals and critical maps, proving foliated results for b\overline{\partial}_{b}- and b\partial_{b}-harmonic maps.
result Generalizes Siu's holomorphicity result to b\overline{\partial}_{b}- and b\partial_{b}-harmonic maps.

Paper tackles distribution matching by partially matching distributions, achieving robust results.

problem Robustly aligning two probability distributions.
method Developed a partial Wasserstein adversarial network (PWAN) to efficiently approximate the partial Wasserstein-1 (PW) discrepancy.
result The PWAN effectively produces highly robust matching results, outperforming state-of-the-art methods.

Study partially hyperbolic diffeomorphisms on 3-manifolds, proving some classification results.

problem Classifying partially hyperbolic diffeomorphisms on 3-manifolds.
method Detailed proofs of results on partially hyperbolic diffeomorphisms on 3-manifolds, focusing on dynamically coherent cases.
result Some results towards the classification of partially hyperbolic diffeomorphisms on 3-manifolds.

The paper proves a property of complex geometry under transformations.

problem The \partial\overline{\partial}-lemma property in complex geometry.
method Simple proof using a blow-up formula and morphism.
result Heredity and bimeromorphic invariance of the \partial\overline{\partial}-lemma property.

Unique continuation for X-ray transforms of one-forms with partial data.

problem Proving unique continuation for X-ray transforms of one-forms with limited data.
method Proved unique continuation for the normal operator of X-ray transforms of one-forms, leading to partial data results.
result Unique continuation for X-ray transforms of one-forms with partial data.

The paper studies deformations of Calabi-Yau manifolds using Gauduchon metrics.

problem Deformations of Calabi-Yau manifolds under co-polarised conditions.
method Analyzes local deformations of Calabi-Yau ˉ\partial\bar{\partial}-manifolds using Gauduchon metrics and constructs a new hphp-HS form.
result Proves the pp-SKT hh-ˉ\partial\bar{\partial}-property is deformation open.

Prove strong ribbon concordance induces a partial order on links, certify minimality for a handful of knots, and find minimal ribbon minimal knots.

problem Prove strong ribbon concordance induces a partial order on links.
method Use results from knot Floer homology to certify minimality under the ribbon partial order.
result Certify minimality for a handful of knots and find minimal ribbon minimal knots.

We consider a financial market model with a single risky asset whose price process evolves according to a general jump-diffusion with locally bounded coefficients and where market participants have only access to a partial information flow. For any utility function, we prove that the partial information financial marke…

2013-02-18abs ↗pdf ↗

Partial coverings of hyperbolic surfaces equidistribute with geodesics.

problem Equidistribution of partial coverings defined from geodesics.
method Sequence of geodesics equidistributing in unit tangent bundle implies equidistribution of associated partial coverings.
result Partial coverings equidistribute with a sequence of geodesics.

In this paper we prove that, in the category of chain complexes, partial algebras can be functorially replaced by quasi-isomorphic algebras. In particular, partial algebras contain all of the important homological and homotopical information that genuine algebras do. Applying this result to McClure's partial algebra in…

2004-10-18abs ↗pdf ↗

IDS algorithm optimizes sequential decisions in various monitoring settings.

problem Optimizing sequential decisions in complex monitoring scenarios.
method Information-directed sampling (IDS) algorithm for linear partial monitoring.
result IDS achieves nearly worst-case rate optimality in finite-action games.

Ergodicity proven for certain hyperbolic 3-manifold diffeomorphisms.

problem Proving ergodicity for conservative partially hyperbolic diffeomorphisms in hyperbolic 3-manifolds.
method Analyzing accessibility and deducing ergodicity from conservative C1+C^{1+} partially hyperbolic diffeomorphisms.
result Ergodicity of conservative C1+C^{1+} partially hyperbolic diffeomorphisms in hyperbolic 3-manifolds.

New concept of partial comonotonicity connects riskmetrics and dependence.

problem Understanding and quantifying risk metrics under partial comonotonicity.
method Developed a new notion of partial comonotonicity and established its connection to distortion riskmetrics.
result Partial comonotonicity uniquely characterizes a class of distortion riskmetrics through additivity.

Proves well-posedness of mixed Robin boundary value problem on manifolds with bounded geometry.

problem Well-posedness of mixed Robin boundary value problem on manifolds with boundary and bounded geometry.
method Analyzes operators on sections of a vector bundle with bounded geometry, proving regularity and well-posedness in Sobolev spaces.
result Main result is well-posedness in Sobolev spaces Hs(M;E)H^s(M; E) for s0s \geq 0 on non-compact manifolds.

Study off-policy evaluation in partially observable environments, reducing bias and errors.

problem Bias and large errors in off-policy evaluation for partially observable environments.
method Defined and solved off-policy evaluation for POMDPs, introduced Decoupled POMDP model.
result Demonstrated and compared off-policy evaluation methods, showing benefits of new approach.

New theorems on Hodge numbers and Kähler structures derived from complex differential forms.

problem Deformation invariance and local stability of Hodge numbers and Kähler structures.
method Using the exponential operator and power series method, the approach focuses on dd-closed extensions and foliated cases.
result Local stabilities of transversely pp-Kähler structures and new theorems on Hodge numbers.

The paper explores partial identifiability in nonnegative matrix factorization under specific conditions.

problem Identifying specific columns of the matrices in nonnegative matrix factorization.
method Mathematical rigor and geometric interpretation to analyze partial identifiability of columns in nonnegative matrix factorization.
result The partial uniqueness of a single column of CC or SS can be guaranteed under certain sparsity and algebraic conditions.

Compute Dolbeault and Bott-Chern cohomologies of complex solvmanifolds.

problem Compute cohomologies of complex solvmanifolds.
method Build finite-dimensional double subcomplexes and decompose them into indecomposable ones.
result Characterize the ˉ\partial\bar{\partial}-Lemma property and compute triple ABC-Massey products.

The paper studies the invertibility of the Laplacian on manifolds with boundary and bounded geometry.

problem When is the Laplace-Beltrami operator invertible on manifolds with boundary and bounded geometry?
method The study considers manifolds with boundary and bounded geometry, proving a Poincaré inequality and using it to show the invertibility of the Laplacian under certain conditions.
result The Laplace-Beltrami operator is invertible for manifolds with finite width and mixed boundary conditions.

An differential field (F;1,...,m)(F;\partial_1,...,\partial_m) of characteristic zero, a subgroup HH of affine group GL(n,C)Cn GL(n,C)\propto C^n with respect to its identical representation in FnF^n and the following two fields of differential rational functions in x=(x1,x2,...,xn)x=(x_1,x_2,...,x_n)-column vector, $$C< x, \partial >^H=\{f^{\part…

2006-09-09abs ↗pdf ↗

The paper introduces a new class of manifolds based on the Hodge decomposition and spectral sequences.

problem Characterizing and understanding new classes of compact complex manifolds.
method Introducing a new class of page-rr-ˉ\partial\bar\partial-manifolds and using spectral sequences.
result Characterized and provided examples of the new class of manifolds.

Study area-minimizing currents with specific boundary properties.

problem Understanding the structure of area-minimizing currents with tangentially immersed boundaries.
method Analyzes nn-dimensional area-minimizing currents with boundary constraints.
result Near the boundary of the current, the structure is either uncontrolled or a union of controlled hypersurfaces.

The Kazdan-Warner problem is solved for Riemann surfaces with smooth boundaries.

problem Realizing smooth functions as Gaussian and geodesic curvatures on compact Riemann surfaces.
method Existence results of Brezis-Merle type equations and uniformization theorem extension.
result Any smooth function on compact Riemann surface with smooth boundary can be realized as a Gaussian curvature function and any on the boundary as a geodesic curvature function.

Partial boundary regularity for area-minimizing currents at tangential boundary points.

problem Boundary regularity of co-dimension one area-minimizing currents.
method Proof closely follows Hardt and Simon's boundary regularity result.
result Partial regularity of tangent cones, uniqueness of tangent cone.

Consistent partial identification of causal effects proved for neural models.

problem Consistency of neural causal partial identification methods.
method Proving consistency for neural models with continuous and categorical variables, considering architecture design and Lipschitz regularization.
result Proven consistency of partial identification via neural causal models in a general setting.

Research on mixed polynomials, extending non-degeneracy concepts to complex variables.

problem Extending non-degeneracy concepts to mixed polynomials in complex variables.
method Generalization of Mondal's partial non-degeneracy to mixed polynomials, introducing new concepts and proving properties.
result Strong partial non-degeneracy implies isolated singularities, and mixed polynomials that are strongly inner non-degenerate satisfy the strong Milnor condition.

Paper introduces a new test for conditional independence using weighted partial copulas.

problem Testing conditional independence between variables.
method The approach uses a weighted partial copula function and a bootstrap procedure to compute regions of rejection.
result The proposed test has competitive power compared to existing methods.

Clarifies when certain stochastic PDEs have affine solutions.

problem Existence of affine realizations for semilinear SPDEs driven by Lévy processes.
method Analyzes conditions for affine solutions to SPDEs driven by Lévy processes.
result Conditions for the existence of affine realizations are established.

Improved 3D scene understanding from partial point sets using multiview fusion.

problem Challenging task of 3D scene semantic understanding from partial point clouds.
method Multiview representation of 360° point clouds and fusion with original data.
result Overall increase of 31.9% and 4.3% in segmentation accuracy for partial and complete scenes.

We study smooth {\sf traversing} vector fields vv on compact manifolds XX with boundary. A traversing vv admits a Lyapunov function f:XRf: X \to \Bbb R such that df(v)>0df(v) > 0. We show that the trajectory spaces T(v)\mathcal T(v) of {\sf traversally generic} vv-flows are {\sf Whitney stratified spaces}, and thus admit tr…

2014-09-02abs ↗pdf ↗

Proposes a new Armijo's condition for general functions and provides an algorithm for its application.

problem Finding suitable step sizes for general functions in optimization.
method Introduces a coordinate-wise Armijo's condition and provides an algorithm to find suitable step sizes.
result Proves convergent results for various functions using the proposed algorithm.

The paper examines partial regularity of Lipschitz solutions to minimal surface system.

problem Understanding the regularity of solutions to the minimal surface system.
method Investigation of stationary, integral weak, and viscosity solutions; interior gradient estimate using maximum principle.
result Partial regularity results for Lipschitz solutions, including interior gradient estimate.

Improved algorithm for partial recovery of tree-structured graphs with noisy data.

problem Learning Ising tree models with noisy observations.
method Symmetrized Geometric Averaging (SGA) algorithm with improved sample complexity.
result Significantly better sample complexity for partial tree recovery.

This study uses partially annotated data to improve TempRel extraction.

problem Lack of fully annotated data for TempRel extraction makes the task labor-intensive and limited in coverage.
method Utilizes partially annotated data (P) for TempRel extraction, even when annotations are missing.
result Partially annotated data (P) can still be a useful supervision signal for TempRel extraction within a constrained learning framework.

Maps from the hyperbolic plane to CAT(-1) spaces are induced by isometries if they respect cross ratios asymptotically.

problem Understanding when maps from the hyperbolic plane to CAT(-1) spaces are induced by isometries.
method Generalizing Bourdon's result to the hyperbolic plane, considering asymptotically Moebius maps and their limits.
result There exists a sequence of isometries and a limit map that induces an isometric embedding of the hyperbolic plane into the CAT(-1) space.

In this paper we consider the lens rigidity problem with partial data for conformal metrics in the presence of a magnetic field on a compact manifold of dimension 3\geq 3 with boundary. We show that one can uniquely determine the conformal factor and the magnetic field near a strictly convex (with respect to the magne…

2016-05-20abs ↗pdf ↗

This work characterizes reward function partial identifiability and its impact on policy optimization.

problem Reward function partial identifiability in complex tasks.
method Formal characterisation of partial identifiability using various reward learning data sources.
result Unified framework for comparing data sources and downstream tasks by their invariances.