CONTENTS OF VOLUME 39-1

KUNLE ADEGOKE, ROBERT FRONTCZAK, TARAS GOY:
Fibonacci sums modulo 5
  1  
BILENDER P. ALLAHVERDIEV, HÜSEYIN TUNA, HAMLET A. ISAYEV:
The resolvent of impulsive singular Hahn–Sturm–Liouville operators
  23  
JOSÉ L. ANSORENA:
A really simple elementary proof of the uniform boundedness principle in F-spaces
  42  
MOHAMMAD ASIM, MOHAMMAD IMDAD:
Fixed point and best proximity point results in PIV-S-metric spaces
  46  
SABRI BAHROUNI:
Symmetrization for mixed operators
  64  
JASON BENTLEY, PIOTR MIKUSIŃSKI:
Transfunctions applied to plans, Markov operators and optimal transport
  76  
R.C. BREWSTER, C.M. MYNHARDT, L.E. TESHIMA:
The realizability of theta graphs as reconfiguration graphs of minimum independent dominating sets
  94  
DOROTA BRÓD, ANETTA SZYNAL-LIANA:
On Mersenne numbers and their bihyperbolic generalizations
  130  
AHMED JAFAR,OMAR AJEBBAR,ELHOUCIEN ELQORACHI:
A Kannappan-cosine functional equation on semigroups
  143  
LENNY JONES:
Reciprocal monogenic septinomials of degree 2n3
  155  
MATEUSZ WORONOWICZ:
A note on abelian groups supporting unital rings
  170  

CONTENTS OF VOLUME 39-2

to appear


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