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A method of proving local continuity of concave functions on convex set possessing the $\mu$-compactness property is presented. This method is based on a special approximation of these functions. The class of $\mu$-compact sets can be…

Functional Analysis · Mathematics 2010-06-22 M. E. Shirokov

Pseudoconvexity of a domain in $\Bbb C^n$ is described in terms of the existence of a locally defined plurisubharmonic/holomorphic function near any boundary point that is unbounded at the point.

Complex Variables · Mathematics 2010-06-23 Nikolai Nikolov , Peter Pflug , Pascal J. Thomas , Wlodzimierz Zwonek

We consider planar curved strictly convex domains with no or very weak smoothness assumptions and prove sharp bounds for square-functions associated to the lattice point discrepancy.

Classical Analysis and ODEs · Mathematics 2010-04-08 Alexander Iosevich , Eric T. Sawyer , Andreas Seeger

We construct a class of bounded domains, on which the squeezing function is not uniformly bounded from below near a smooth and pseudoconvex boundary point.

Complex Variables · Mathematics 2017-04-11 John Erik Fornaess , Feng Rong

Estimates for invariant distances of convexifiable, $\C$-convexifiable and planar domains are given.

Complex Variables · Mathematics 2014-11-06 Nikolai Nikolov

An application of dimensional reduction results for gradient constrained problems is provided for 3D-2D dimension reduction for supremal functionals, in the case when the domain is convex.

Analysis of PDEs · Mathematics 2012-11-13 Elvira Zappale

In this short note, we prove that all geodesically convex functions defined on a Riemannian manifold are continuous in the interior of their domain. This is a folklore result, but to the best of our knowledge, there is only one available…

Differential Geometry · Mathematics 2026-01-06 Victor-Emmanuel Brunel , Pierre Pansu

In this paper, we determine necessary and sufficient conditions for the generalized Bessel function to be in certain subclasses of starlike and convex functions. Also, we obtain several corollaries as special cases of the main results,…

Complex Variables · Mathematics 2017-12-06 Rabha M. El-Ashwah , Alaa H. El-Qadeem

We study the boundary behaviour of a variant of the Fridman's invariant function (defined in terms of the Bergman metric) on Levi corank one domains, strongly pseudoconvex domains, smoothly bounded convex domains in $ \mathbb{C}^n $ and…

Complex Variables · Mathematics 2024-01-09 Rahul Kumar , Prachi Mahajan

Functions with uniform level sets can represent orders, preference relations or other binary relations and thus turn out to be a tool for scalarization that can be used, e.g., in multicriteria optimization, decision theory, mathematical…

Optimization and Control · Mathematics 2016-08-11 Petra Weidner

This paper deals with some radius results and inclusion relations that are established for functions in a newly defined subclass of starlike functions associated with a petal shaped domain.

Complex Variables · Mathematics 2022-08-23 S. Sivaprasad Kumar , Kush Arora

By considering a fixed point in unit disk $\Delta$, a new class of univalent convex functions is defined. Coefficient inequalities, integral operator and extreme points of this class are obtained.

Complex Variables · Mathematics 2009-04-23 Sh. Najafzadeh , M. Eshaghi Gordji , A. Ebadian

There exist several interesting results in the literature on subnormal operator tuples having their spectral properties tied to the geometry of strictly pseudoconvex domains or to that of bounded symmetric domains in $\C^n$. We introduce a…

Functional Analysis · Mathematics 2016-12-20 Ameer Athavale

We formulate several conjectures on mean convex domains in the Euclidean spaces, as well as in more general spaces with lower bonds on their scalar curvatures, and prove a few theorems motivating these conjectures.

Differential Geometry · Mathematics 2019-02-14 Misha Gromov

In this note we extend N. Th. Varopoulos result on zero sets of H p functions of strictly pseudo-convex domains in C n to lineally convex domains of finite type.

Complex Variables · Mathematics 2018-05-28 P. Charpentier , Y Dupain

We introduce two kinds of generalized $s$-convex functions on real linear fractal sets $\mathbb{R}^{\alpha}(0<\alpha<1)$. And similar to the class situation, we also study the properties of these two kinds of generalized $s$-convex…

Analysis of PDEs · Mathematics 2014-06-30 Huixia Mo , Xin Sui

In this note we continue our investigation of geodesics in the space of convex and plurisubharmonic functions. We show optimal regularity for geodesics joining two smooth strictly convex functions. We also investigate the regularity theory…

Complex Variables · Mathematics 2024-05-16 Soufian Abja , Slawomir Dinew

In the paper the complex geodesics of a convex domain in $\mathbb C^n$ are studied. One of the main results of the paper provides certain necessary condition for a holomorphic map to be a complex geodesic for a convex domain in $\mathbb…

Complex Variables · Mathematics 2017-09-18 Sylwester Zając , Paweł Zapałowski

The article provides proofs for the regularity of Dirac eigenfunctions, subject to MIT boundary conditions employed on various types of open sets ranging from smooth ones to convex polygons in two dimensions, as well as on half-space and…

Analysis of PDEs · Mathematics 2024-06-27 Tuyen Vu

Functions that are piecewise defined are a common sight in mathematics while convexity is a property especially desired in optimization. Suppose now a piecewise-defined function is convex on each of its defining components - when can we…

Classical Analysis and ODEs · Mathematics 2014-08-19 Heinz H. Bauschke , Yves Lucet , Hung M. Phan