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.
The paper proves Hölder continuity for solutions of degenerate parabolic equations in any dimension.
problem Proving Hölder continuity for solutions of degenerate parabolic equations in arbitrary dimensions.
method Establishing Alexandroff-Bakelman-Pucci estimate, Harnack inequality, Hölder regularity, and Schauder estimates for a class of degenerate parabolic equations.
result The paper proves Hölder continuity for solutions of degenerate parabolic equations in all dimensions.
We analyze the Kozachenko--Leonenko (KL) nearest neighbor estimator for the differential entropy. We obtain the first uniform upper bound on its performance over Hölder balls on a torus without assuming any conditions on how close the density could be from zero. Accompanying a new minimax lower bound over the Hölder ba…
This paper bounds the volume of singular and critical sets for elliptic equations with Hölder coefficients.
problem Bounding the volume of singular and critical sets for elliptic equations with Hölder coefficients.
method Proves explicit bounds for (n−2)-dimensional Minkowski estimates of singular and critical sets using Hölder continuity and new almost monotonicity formula.
result Optimal improvement on Cheeger-Naber-Valtorta's volume estimates on each quantitative stratum.
This is a note on \cite{LSU} and \cite{FS}. Using their work line by line, we prove the Hölder-continuity of solutions to linear parabolic equations of mixed type, assuming the coefficient of ∂t∂ has time-derivative bounded from above. On a Kähler manifold, this Hölder estimate works when the …
We give a proof that Brakke's mean curvature flow under the unit density assumption is smooth almost everywhere in space-time. More generally, if the velocity is equal in a weak sense to its mean curvature plus some given α-Hölder continuous vector field, then we show C^{2,α} regularity almost everywhere.
A canonical diffeomorphism is constructed for manifolds near spheres.
problem Constructing a canonical diffeomorphism for manifolds near spheres.
method Using the first (n+1)-eigenfunctions of the manifold, a map ildef is constructed and shown to be a diffeomorphism with a uniform bi-Hölder estimate.
result The constructed diffeomorphism ildef is canonical and satisfies a uniform bi-Hölder estimate, which is sharp and cannot be improved to a bi-Lipschitz estimate.
We show that normalized currents of integration along the common zeros of random m-tuples of sections of powers of m singular Hermitian big line bundles on a compact Kähler manifold distribute asymptotically to the wedge product of the curvature currents of the metrics. If the Hermitian metrics are Hölder with sing…
Study asymptotic behavior of second Chern forms on degenerating Kähler-Einstein surfaces.
problem Asymptotic behavior of second Chern forms on degenerating Kähler-Einstein surfaces with ADE singularities.
method Investigates a function on the unit disc defined by fiber integrals of the forms with a smooth test function, showing a lower bound of Hölder exponent at the origin for both cscK-metrics and Ricci-flat metrics.
result Shows bounds of Hölder exponent for both cscK-metrics and Ricci-flat metrics.
The study proves inequalities for complex operators on curved spaces.
problem Establishing inequalities for nonlocal operators on curved spaces.
method Defining and analyzing nonlocal Pucci operators on manifolds with nonnegative sectional curvatures, proving Harnack inequalities and Holder estimates.
result Harnack inequalities and Holder estimates for nonlocal operators on manifolds with nonnegative sectional curvatures.
In statistical analysis, measuring a score of predictive performance is an important task. In many scientific fields, appropriate scores were tailored to tackle the problems at hand. A proper score is a popular tool to obtain statistically consistent forecasts. Furthermore, a mathematical characterization of the proper…
We prove the Livšic Theorem for arbitrary GL(m,R) cocycles. We consider a hyperbolic dynamical system f:X→X and a Hölder continuous function A:X→GL(m,R). We show that if A has trivial periodic data, i.e. A(fn−1p)...A(fp)A(p)=Id for each periodic point p=fnp, then there …
We define a generalization of convex functions, which we call δ-convex functions, and show they must satisfy interior Hölder and W1,p estimates. As an application, we consider solutions of a certain class of fully nonlinear equations in conformal geometry with isolated singularities, in the case of non-negative …