Włodzimierz Fechner, Zsolt Páles
Published 2019-11-20Version 1
The notions of quasiconvexity, Wright convexity and convexity for functions defined on a metric Abelian group are introduced. Various characterizations of such functions, the structural properties of the functions classes so obtained are established and several well-known results are extended to this new setting.
Convexity properties of twisted root maps
Notes on $H^{\log} $: structural properties, dyadic variants, and bilinear $H^1$-$BMO$ mappings
Convexity properties of generalized trigonometric and hyperbolic functions
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