Vol 75, No 2 (2021)

Table of Contents

Articles

On extensions of matrix-valued Hahn–Sturm–Liouville operators
Bilender Allahverdiev, Huseyin Tuna
PDF
1-12
Generalized perturbed Ostrowski-type inequalities
Martin Bohner, Asif Khan, Maria Khan, Faraz Mehmood, Muhammad Awais Shaikh
PDF
13-29
Some Hermite–Hadamard type inequalities for the square norm in Hilbert spaces
Silvestru Sever Dragomir
PDF
31-44
Three algebraic number systems based on the q-addition with applications
Thomas Ernst
PDF
45-71
The gauge-natural bilinear brackets on couples of linear vector fields and linear p-forms
Jan Kurek, Włodzimierz Mikulski
PDF
73-92
Contribution to the Hadamard multiplication theorem
Maciej Parol, Dariusz Partyka
PDF
93-107