Extremality of convex sets with some applicationsIn this paper we introduce an enhanced notion of extremal systems for sets in locally
convex Families of domains with best possible hardy constantWe geometrically describe families of non-
convex plane and spatial domains in which the basic Hardy
Unified poincaré and hardy inequalities with sharp constants for convex domainsLet Ω be an
n-dimensional
convex domain, and let v ∈ [0,1/2]. For all f ∈ H0 1(Ω) we prove
Subharmonic Functions on Complex Hyperplanes of CnIn this paper is considered
a class of m−wsh
functions defined with relation ddcu ^ (ddc|z|2)
n Hölder continuity of weak solutions of p-Laplacian PDEs with VMO coefficientsWe consider solutions u∈W 1,p (Ω;R
N ) of the p-Laplacian PDE ∇⋅(
a(x)|Du| p−2 Du)=0,for x∈Ω⊆R
n A note on definition of matrix convex functionsWe prove that
a real-valued
function f defined on an interval S in R is matrix
convex if and only
Equilibrium price as a coincidence point of two mappingsThe existence of an equilibrium price vector in
a nonlinear market model is analyzed. In the model
Covering of nonlinear maps on a cone in neighborhoods of irregular pointsInverse
function theorems for smooth nonlinear maps defined on
convex cones in Banach spaces in
a