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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 flow problems

Study solves a generalized Christoffel-Minkowski problem using curvature flow.

problem Generalization of the LpL_{p}-Christoffel-Minkowski problem.
method Anisotropic curvature flow to derive long-time existence and smooth solutions.
result Existence of smooth solutions for c=1c=1 under certain initial data.

Study of a flow related to the Orlicz-Minkowski problem for convex hypersurfaces.

problem Orlicz-Minkowski problem involving Gauss curvature and support function.
method Generalized Gauss curvature flow for convex hypersurfaces in Euclidean n-space.
result Long-time existence and convergence of the flow, leading to existence results for the Orlicz-Minkowski problem.

Study an anisotropic capillary flow to solve capillary Orlicz-Minkowski problem.

problem Solve capillary Orlicz-Minkowski problem without evenness assumption.
method Analyze an anisotropic capillary Gauss curvature flow to prove convergence and establish existence.
result Establish existence result for capillary Orlicz-Minkowski problem without evenness assumption.

A method for estimating signal distributions from inverse problems using normalizing flows.

problem Estimating the distribution of the underlying signal from observations in inverse problems.
method A framework for approximate inference on a pre-trained unconditional flow model, using a composition of two flow models for stable variational inference.
result Our method produces high-quality samples with uncertainty quantification and can be amortized for zero-shot inference.

Gradient flow solves curvature problem on surfaces with conical points.

problem Solving curvature problems on surfaces with conical points.
method Introduced and analyzed a gradient flow on closed Riemann surfaces with conical singularities.
result Gradient flow proves long-time existence and convergence under certain assumptions.

Let us consider a projective manifold and ΩΩ a volume form. We define the gradient flow associated to the problem of ΩΩ-balanced metrics in the quantum formalism, the Ωbalacingflow.Atthelimitofthequantization,weprovethatthe-balacing flow. At the limit of the quantization, we prove that the ΩbalacingflowconvergestowardsanaturalflowinKa¨hlergeometry,the-balacing flow converges towards a natural flow in Kähler geometry, the Ω$-Kä…

2011-02-05abs ↗pdf ↗

Study anisotropic flows solving Orlicz-Minkowski problems, proving existence and new results.

problem Anisotropic non-homogeneous Gauss curvature flows and Orlicz-Minkowski problems.
method Long-time existence and behavior analysis, parabolic approximation method, curvature flow.
result Existence and new results for Orlicz-Minkowski problems, including LpL_p versions.

Efficiently solves inverse problems with diffusion and flow models in just a few steps.

problem Solving inverse problems like super-resolution, inpainting, or deblurring using diffusion or flow models.
method Conditional Conjugate Integrators framework that projects inverse problem dynamics into a more amenable space for sampling.
result Generates high-quality samples in as few as 5 conditional sampling steps, outperforming competing methods.

Continues study on special Lagrangian graphs and flow solutions.

problem Long time existence and convergence of a class of fully nonlinear flows.
method Analyzes special Lagrangian graphs with prescribed second boundary conditions.
result Long time existence and convergence for a family of special Lagrangian graphs.

Study anisotropic inverse Gauss curvature flows and solve dual Orlicz Minkowski problems.

problem Solving dual Orlicz Minkowski problems for anisotropic flows.
method Anisotropic inverse Gauss curvature flows and stationary solutions.
result New existence results for dual Orlicz Minkowski problems for smooth measures.

The paper solves a generalized Christoffel-Minkowski problem using a curvature flow.

problem Solving the (p,q)-Christoffel-Minkowski problem.
method Investigating the problem via an expanding curvature flow.
result Existence and uniqueness of smooth solutions to the (p,q)-Christoffel-Minkowski problem.

The paper solves curvature problems on infinite hyperbolic surfaces.

problem Prescribed curvature flow on hyperbolic surfaces with infinite topological type.
method Introduced a prescribed curvature flow adapted to infinite cellular decompositions.
result Established well-posedness of the flow and proved convergence under certain conditions.

Paper studies inverse curvature flows and solves related geometric problems.

problem Inverse curvature flows and related geometric problems.
method Analyzes a class of expanding flows with specific speeds and proves existence and convergence.
result Proves the existence and convergence of flows under certain conditions, leading to new solutions to geometric problems.

Variational approximations for curve flows on Riemannian manifolds.

problem Approximating solutions to curvature and elastic flow problems on Riemannian manifolds.
method Variational formulations, finite element approximations, piecewise linear elements, stability analysis.
result Derived schemes can compute rotationally symmetric self-shrinkers and geodesics.

Cascading flows improve variational inference in structured programs.

problem Challenges in variational inference for complex probabilistic programs.
method Integrates normalizing flows and ASVI to create cascading flows, which embed the forward-pass of probabilistic programs.
result Cascading flows outperform normalizing flows and ASVI in structured inference problems.