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.
Set-valued risk measures on Ldp with 0≤p≤∞ for conical market models are defined, primal and dual representation results are given. The collection of initial endowments which allow to super-hedge a multivariate claim are shown to form the values of a set-valued sublinear (coherent) risk measure. Sc…
Given a coassociative 4-fold N with a conical singularity in a varphi-closed 7-manifold M (a manifold endowed with a distinguished closed 3-form varphi), we construct a smooth family, {N'(t): t\in(0,tau)} for some tau>0, of (smooth, nonsingular,) compact coassociative 4-folds in M which converge to N in the sense of cu…
For a torsion free Kleinian group Γ without parabolics, we consider the decomposition of the limit set L(Γ) into conical and ending limit sets and compare the Patterson-Sullivan measure with the harmonic measure on L(Γ) when L(Γ)=S∞2.
In this paper, we consider a supervised learning setting where side knowledge is provided about the labels of unlabeled examples. The side knowledge has the effect of reducing the hypothesis space, leading to tighter generalization bounds, and thus possibly better generalization. We consider several types of side knowl…
The purpose of this paper is to generalize the convexity of Mabuchi's functional to the conic setting. We first established a frame to study conic cscK metrics, and then the conic Mabuchi functional was introduced in such a way that conic cscK metrics are its critical points. Finally we proved the convexity of the coni…
In this paper we develop a systematic deformation theory for conic constant curvature metrics on a closed surface when all cone angles are less than 2π; in particular, we define and study the Teichmüller space Tγ,kconic of conic constant curvature metrics on a surface of genus γ with k …
Based on C. Li and Y. Rubinstein's upper bisectional curvature bound estimate for the conic Kähler metric, we can construct a smoothing sequence for the conic metric with uniformly upper bisectional curvature bound. For the conic metric along a simple normal crossing divisor with triple or higher multiple points we may…
We establish a parabolic version of Tian's C2,α-estimate for conical complex Monge-Ampere equations, which includes conical Kähler-Einstein metrics. Our estimate will complete the proof of the existence of unnormalized conical Kähler-Ricci flow in arXiv:1411.7284.
We prove that the conical Kähler-Ricci flows introduced in \cite{CYW} exist for all time t∈[0,+∞). These immortal flows possess maximal regularity in the conical category. As an application, we show if the twisted first Chern class C1,β is negative or zero, the corresponding conical Kähler-Ricci flows co…
We study metrics on conic 2-spheres when no Einstein metrics exist. In particular, when the curvature of a conic metric is positive, we obtain the best curvature pinching constant. We also show that when this best pinching constant is approached, the conic 2-sphere has an explicit Gromov-Hausdorff limit. This is a gene…
Study conical Ricci flow on surfaces with explicit asymptotic expansions.
problem Analyzing Ricci flow on conical surfaces with explicit regularity.
method Established framework for linear parabolic equations on conical surfaces; proved long-time existence and optimal regularity of conical Ricci flow.
result Explicit asymptotic expansions of conformal factor for conical Ricci flow.
Generically, topological insulators have conical points leading to Dirac-like currents.
problem Understanding the conical structure of degeneracies in topological phases of matter.
method Analyzing Hermitian matrices with three parameters to show conical points.
result Adiabatic deformations of topological insulators result in Dirac-like currents whose total conductivity equals the chiral number of conical points.