## Commentationes Mathematicae

Commentationes Mathematicae (Prace Matematyczne) is an international journal for mathematical research. Its main area of interest includes functional analysis, operator theory, approximation theory, differential and functional equations, theory o real functions, measure and integration theory, theory of complex functions and analytic number theory. However, outstanding papers from other areas of mathematics are also considered for publication.

### Vol 55, No 2 (2015)

 Henryk Hudzik – vita et opera Mieczysław Mastyło, Julian Musielak 45−78
 On the dependence of parameters in the equivalence theorem for the real method Fernando Cobos, Luz María Fernández-Cabrera, Georgi E. Karadzhov, Thomas Kühn 79−87
 A survey on Lipschitz-free Banach Spaces PDF Gilles Godefroy 89−118
 Landau-type theorem for variable Lebesgue spaces Lech Maligranda, Witold Wnuk 119−126
 Characterization of singular traces on the weak trace class ideal generated by exponentiation invariant extended limits Fedor Sukochev, Alexandr Usachev 127−145
 On $$\ell_{q}$$-strictly singular operators on variable exponent spaces Carlos Buelga, Francisco L. Hernandez 147−155
 On orthogonally additive injections and surjections Karol Baron 157−162
 On two functional equations connected with distributivity of fuzzy implications Roman Ger, Marcin Emil Kuczma, Wanda Niemyska 163−169
 Uniform $$\lambda$$-property in $$L^1\cap L^\infty$$ Adam Bohonos, Ryszard Płóciennik 171−181
 Geometric properties of Orlicz spaces equipped with $$p$$-Amemiya norms − results and open questions Marek Wisła 183−209
 Local structure of generalized Orlicz−Lorentz function spaces Paweł Kolwicz 211−227
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