Vol 74, No 1 (2020)

Table of Contents

Articles

On split r-Jacobsthal quaternions
Dorota Bród
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1-14
On the number of empty cells in the allocation scheme of indistinguishable particles
Alexey Chuprunov, Istvan Fazekas
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15-29
On the complex q-Appell polynomials
Thomas Ernst
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31-43
Remarks on retracting balls on spherical caps in \(c_{0}\), \(c\), \(l^{\infty }\) spaces
Kazimierz Goebel
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45-55
On naturality of some construction of connections
Jan Kurek, Włodzimierz Mikulski
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57-65
Inequalities concerning the rate of growth of polynomials involving the polar derivative
Abdullah Mir, Adil Hussain Malik
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67-75
On generalized Mersenne hybrid numbers
Anetta Szynal-Liana, Iwona Włoch
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77-84