443 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of ŁódźPL34 papers
- Institute of MathematicsPL24 papers
- Instituto Politécnico NacionalMX15 papers
- Jagiellonian UniversityPL14 papers
- Centre National de la Recherche ScientifiqueFR13 papers
- Centro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalMX11 papers
- Indian Statistical InstituteIN11 papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Gran SassoIT11 papers
- Istituto Nazionale di Fisica Nucleare, Sezione di Roma IIT11 papers
- European Organization for Nuclear ResearchCH10 papers
- Gran Sasso Science InstituteIT10 papers
- Institute of PhysicsPL10 papers
Showing 2019 · math.CAShow all
2 papers · 2 filters
math.CA2019
Convexity properties of functions defined on metric Abelian groups
Włodzimierz Fechner, Zsolt Páles
The notions of quasiconvexity, Wright convexity and convexity for functions defined on a metric Abelian group are introduced. Various characterizations of such functions, the struc…
math.CA2019★ 7 cited
Richard's inequality, Cauchy-Schwarz's inequality and approximate solutions of Sincov's equation
Włodzimierz Fechner
We observe a connection between Cauchy-Schwarz' and Richard's inequalities in inner product spaces and a Ulam-type stability problem for multiplicative Sincov's functional equation…