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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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1122 · Jan 202419922001200920172026
11 results for half-ball

Paper proves inequality for capillary hypersurfaces with new proof.

problem Proving a Heintze-Karcher type inequality for hypersurfaces with capillary boundary.
method Using a mixed boundary value problem in Reilly type formula to establish the inequality.
result New proof of Alexandrov type theorem for capillary hypersurfaces.

The critical catenoid is uniquely determined by certain symmetries of its boundary.

problem Uniqueness of free boundary minimal annuli in a half-ball.
method Symmetry analysis and boundary conditions.
result An embedded free boundary minimal annulus with specific symmetries is congruent to the critical catenoid.

Existence and boundary regularity away from the corners are established for two-dimensional Monge-Ampère equations on convex polytopes with Guillemin boundary conditions. An important step is to derive an expansion in terms of functions yny^n and ynlogyy^n\log y for solutions to equations of the form $\det D^2u(x,y) = y^{-…

2014-01-15abs ↗pdf ↗

We prove existence of solutions to boundary value problems and obstacle problems for degenerate-elliptic, linear, second-order partial differential operators with partial Dirichlet boundary conditions using a new version of the Perron method. The elliptic operators considered have a degeneracy along a portion of the do…

2013-02-07abs ↗pdf ↗

Paper characterizes umbilical hypersurfaces using a generalized overdetermined problem.

problem Characterizing umbilical hypersurfaces in space forms.
method Using a Serrin-type partially overdetermined problem with inhomogeneous Robin boundary condition.
result Any contact angle θ ∈ (0, π) can be achieved, generalizing previous results.

Let (X1,gˉ1)(X_1, \bar g_1) and (X2,gˉ2)(X_2, \bar g_2) be two compact Riemannian manifolds with boundary (M1,g1)(M_1,g_1) and (M2,g2)(M_2,g_2) respectively. The Escobar problem consists in prescribing a conformal metric on a compact manifold with boundary with zero scalar curvature in the interior and constant mean curvature of the boundar…

2018-07-17abs ↗pdf ↗

Paper proves rigidity of minimal disks in 3-balls with non-negative Ricci curvature.

problem Rigidity of free boundary minimal disks in 3-balls with non-negative Ricci curvature.
method Min-max methods and rigidity statements for half-balls with non-negative Ricci curvature.
result Existence and properties of minimal disks with least area in 3-balls.