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Questions related from Miodrag Mateljević
In particular, what is known for harmonic functions? The proof of standard Maximum Principle for Solutions of Elliptic Systems is based on Proposition 1: If $B$ is positive definite matrix...
06 March 2018 4,760 1 View
See sci.physics.research and Chris Hillman disscusion at https://groups.google.com/forum/#!topic/sci.physics.research/_Syr8jAaaNw : Lorentz Group Action vs. Mobius Group Action on Celestial...
06 May 2017 4,037 13 View
See for example the paper arXiv:1001.1805v1 [math.CV] 12 Jan 2010,The Schwarz Lemma at theBoundary by Steven G. Krantz. In this paper the author explores versions of the Schwarz lemmaat a...
19 May 2015 8,118 25 View
In communication between V. Zorich and the author, thequestion was asked to find examples of harmonic gradient mapping from the unit ball onto itself in 3-space. For example, if $u=x^2 +y^2 - 2...
23 April 2015 9,375 2 View
Description (Answer1). In particular, we consider Problem 1. Let $a>0$ and $c,d\in R$ be given constants and let $u$ be a real valued continuous on $I:=[0,a]$ (more generally bounded...
01 January 1970 9,030 2 View
The following inequality is known as Petrovic's inequality: Prop 1. Let $f : [0,\infty) \rightarrow \mathbb{R}$ be a convex function, and $(x_i)_{i=1}^n$, be a sequence of positive numbers....
01 January 1970 1,893 12 View
