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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.

169,341 papers · 148 categories

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48 results for plt blow ups

The paper proves a unique Kollár component is K-semistable among plt blow ups of a klt singularity.

problem Stability of valuations and Kollár components in klt singularities.
method Proving minimization of the normalized volume function yields K-semistable Kollár components.
result There is at most one Kollár component that is (log-)K-semistable among plt blow ups of a klt singularity.

The paper tackles the computational complexity of PLT algorithms, providing tractable solutions.

problem Finding a tree structure that results in a PLT with low computational costs and low statistical error.
method The paper shows that finding an optimal tree structure is NP-complete. It provides linear time solutions for specific cases and an O(logm)O(\log m) approximation for the general case.
result The paper provides tractable solutions for finding a tree structure with low computational costs and low statistical error.

Probabilistic label trees improve XMLC by organizing labels hierarchically.

problem Efficiently tagging instances with a small subset of relevant labels from a large pool.
method Introduce and analyze probabilistic label trees (PLTs) as a generalization of hierarchical softmax for multi-label problems.
result PLTs are consistent for various performance metrics and can be trained online without prior knowledge.

Study blow-ups in generalized complex geometry using holomorphic ideals.

problem Blow-ups in generalized complex geometry.
method Introduce holomorphic ideal to define blow-ups in smooth manifolds. Identify suitable submanifolds and provide conditions for blow-ups.
result Necessary and sufficient conditions for generalized Poisson submanifolds to carry a canonical holomorphic ideal and for blow-ups to be generalized complex.

The paper defines and constructs almost complex blow-ups on 4D almost complex manifolds.

problem Existence and uniqueness of almost complex blow-ups on almost complex manifolds.
method Definition and construction of almost complex blow-ups, proving their existence and uniqueness.
result Existence and uniqueness of almost complex blow-ups on 4D almost complex manifolds.

Study identifies numerical signs of blow-up in hydrodynamic equations.

problem Determining if numerical results of blow-up are genuine or artifacts.
method Geometrically consistent spatiotemporal discretization of complexified Euler equations.
result Identification of a signature based on supremum norm growth rates of vorticity.

Study of blow-ups in generalized Kähler geometry with specific conditions.

problem Blow-ups in generalized Kähler manifolds with generalized Poisson submanifolds.
method Blow-up theory for generalized Kähler manifolds, lifting bi-Hermitian structure, deformation procedure based on potentials.
result Degenerate bi-Hermitian structure on blow-up can be deformed into non-degenerate structure.

Study on curvature blow-up rates in black hole interiors from gravitational collapse.

problem Understanding curvature blow-up rates in black hole interiors during gravitational collapse.
method Investigation of spherically symmetric Einstein-scalar field spacetimes, focusing on blow-up rates of curvature and mass.
result Kretschmann scalar blows up faster than in Schwarzschild setting, indicating a new blow-up phenomenon.

The paper examines the blow-up of Ricci curvatures in conformal metrics.

problem Characterizing the blow-up set of Ricci curvatures in conformal metrics.
method Analyzing the blow-up phenomena of Ricci curvatures on domains close to a limit set of lower dimension.
result Characterization of the blow-up set according to the Yamabe invariant of the manifold.

We show that the blow-up of a generalized Kahler 4-manifold in a nondegenerate complex point admits a generalized Kahler metric. As with the blow-up of complex surfaces, this metric may be chosen to coincide with the original outside a tubular neighbourhood of the exceptional divisor. To accomplish this, we develop a b…

2011-06-08abs ↗pdf ↗

This paper studies a specific blow-up algorithm for sop polynomials and their RLCT.

problem Determining the RLCT of sum-of-products polynomials through blow-up.
method Investigates a specific blow-up algorithm for sop polynomials to resolve their singularities.
result It is possible to resolve the singularities of sop polynomials using a specific blow-up algorithm.

The paper analyzes high-dimensional sphere solutions to the Nirenberg problem with residual mass.

problem The Nirenberg problem on high-dimensional spheres with residual mass.
method Analysis of subcritical approximations and blowing up solutions.
result Comprehensive description of blowing up solutions, including blow-up points and rates.

The Yamabe flow can blow up in infinite time with small perturbations.

problem Understanding the behavior of the Yamabe flow under small perturbations.
method Constructive proof using solutions of the Yamabe problem on the unit sphere as blow-up profiles.
result The Yamabe flow can blow up at multiple points on a Riemannian manifold in infinite time with small perturbations.

Study on blow-up behavior of sign-changing solutions for Yamabe equation.

problem Blow-up behavior of sign-changing solutions for Yamabe equation.
method Construction of a smooth metric on space forms to prove blow-up at lowest energy level.
result Blow-up occurs at the lowest energy level for sign-changing solutions in dimensions 11 to 24.

Proves inextendibility of weak null singularities from curvature blow-up.

problem Inextendibility of weak null singularities in the context of curvature blow-up.
method Introduces a new strategy to infer Cloc0,1C^{0,1}_{\mathrm{loc}}-inextendibility from curvature blow-up.
result Expected to contribute to the resolution of strong cosmic censorship conjecture.

Study on solutions of conformal equations, proving bounds and profiles.

problem Analyzing solutions of conformally invariant equations on Euclidean domains.
method Established blow-up profiles and heights of solutions around blow-up points.
result Proved bounds on distances and heights of solutions around blow-up points.

Corrected Monti's blow-up analysis for H-minimizing sets in Heisenberg group.

problem Blow-up analysis of H-minimizing sets in Heisenberg group with corrected partial differential equation.
method Revised Monti's results on blow-ups of H-perimeter minimizing sets in Hn\mathbb{H}^n and corrected the partial differential equation for the limit function.
result Corrected the partial differential equation for the limit function of blow-ups in Heisenberg group.

Formula for Dolbeault cohomology groups on complex manifolds with vector bundles.

problem Calculating Dolbeault cohomology groups on complex manifolds with vector bundles.
method Sheaf-theoretic approach to derive a blow-up formula.
result Uniform presentation of vanishing theorems and blow-up invariance of holomorphic invariants.

The study examines blow-up and global existence of solutions for porous medium equation on curved manifolds.

problem Analyzing blow-up and global existence of solutions for porous medium equation on negatively curved manifolds.
method Examined the porous medium equation with power-type reaction terms on negatively curved Riemannian manifolds.
result For p>mp>m, small data give global solutions; for p<mp<m, large data blow up in infinite time.

Study shows continuity and geometric regularity of Kähler-Ricci flow blow-up limits.

problem Geometric regularity of blow-up limits of the Kähler-Ricci flow.
method Established geometric regularity for Type I blow-up limits based on sequences of Ricci vertices.
result The limiting flow is continuous in time in Gromov-Hausdorff and Gromov-W1W_1 distance.

We show that at generic points blow-ups/tangents of differentiability spaces are still differentiability spaces; this implies that an analytic condition introduced by Keith as an inequality (and later proved to actually be an equality) passes to tangents. As an application, we characterize the pp-weak gradient on iter…

2015-05-23abs ↗pdf ↗

Study of curvature blow-up in noncompact hypersurfaces using mean curvature flow.

problem Curvature blow-up in mean curvature flow of noncompact hypersurfaces.
method Rotationally symmetric solutions constructed with precise asymptotics.
result Highest curvature concentrates at the tip and blows up at rate (Tt)1(T-t)^{-1}.