CONTENTS OF VOLUME 34-1

MACIEJ SABLIK:
Zygfryd Kominek, a mathematician, a teacher, a friend
  1  
MAREK BALCERZAK, TOMASZ NATKANIEC, MAŁGORZATA TEREPETA:
Limits of sequences of feebly-type continuous functions		   27  
KAROL BARON:
Remarks connected with the weak limit of iterates of some random-valued functions and iterative functional equations		   36  
MAŁGORZATA FILIPCZAK, GRAŻYNA HORBACZEWSKA:
Some kinds of sparseness on the real line and ideals on ω 		  45  
HARALD FRIPERTINGER:
On iteration of bijective functions with discontinuities 		  51  
ROMAN GER:
Delta-convexity with given weights 		  73  
ĽUBICA HOLÁ, GRAŻYNA KWIECIŃSKA:
On the Borel classes of set-valued maps of two variables 		  81  
JUSTYNA JARCZYK, WITOLD JARCZYK:
On a functional equation appearing on the margins of a mean invariance problem 		  96  
PETER KAHLIG, JANUSZ MATKOWSKI:
Generalization of the har- monic weighted mean via Pythagorean invariance identity and application 		  104  
KAZIMIERZ NIKODEM, TERESA RAJBA:
Ohlin and Levin–Stečkin- type results for strongly convex functions		   123  
ANDRZEJ OLBRYŚ:
On a separation theorem for delta-convex functions 		  133  
ZSOLT PÁLES:
An elementary proof for the decomposition theorem of Wright convex functions		   142  
JENS SCHWAIGER:
Connections between the completion of normed spaces over non-archimedean fields and the stability of the Cauchy equation		   151  
WŁADYSŁAW WILCZYŃSKI:
Convergence in measure and in category		   164  

CONTENTS OF VOLUME 34-2

SILVESTRU SEVER DRAGOMIR:
Hypo-q-norms on a cartesian product of algebras of operators on Banach spaces
   169  
REZA FARHADIAN, RAFAEL JAKIMCZUK:
Notes on a general sequence		   193  
ALI KHALOUTA, ABDELOUAHAB KADEM:
Numerical comparison of FNVIM and FNHPM for solving a certain type of nonlinear Caputo time-fractional partial differential equations		   203  
FIKRI KOKEN:
The GCD sequences of the altered Lucas sequences		   222  
TEODORO LARA, NELSON MERENTES, EDGAR ROSALES:
m-convex functions of higher order		   241  
MILENA CAROLINA DOS SANTOS MANGUEIRA, RENATA PASSOS MACHADO VIEIRA, FRANCISCO RÉGIS VIEIRA ALVES, PAULA MARIA MACHADO CRUZ CATARINO:
The hybrid numbers of Padovan and some identities		   256  
VALERIU POPA:
A general fixed point theorem for two pairs of absorbing mappings in Gp-metric spaces		   268  
Report of Meeting.
The Twentieth Debrecen–Katowice Winter Seminar on Functional Equations and Inequalities Hajdúszoboszló (Hungary), January 29–February 1, 2020		   286  


Full texts are available at the Silesian Digital Library (and here)