The order of appearance of factorials in the Fibonacci sequence and certain Diophantine equations Prapanpong Pongsriiam OriginalPaper 20 October 2018 Pages: 141 - 156
x-Coordinates of Pell equations which are Tribonacci numbers II Bir KafleFlorian LucaAlain Togbé OriginalPaper 27 October 2018 Pages: 157 - 167
Individual exponential stability for linear skew-products semiflows over a semiflow Ciprian PredaPetre PredaOana Romina Onofrei OriginalPaper 02 July 2019 Pages: 168 - 176
On the taxicab distance sum function and its applications in discrete tomography Csaba Vincze OriginalPaper 17 December 2018 Pages: 177 - 190
Einstein–Weyl structures on almost cosymplectic manifolds Xiaomin Chen OriginalPaper Open access 17 January 2019 Pages: 191 - 203
New relation formula for generating functions Wathek Chammam OriginalPaper 22 June 2019 Pages: 204 - 209
On the Diophantine equation \(L_{n}-L_{m}=2\cdot 3^{a}\) Bahar Demirtürk Bitim OriginalPaper 26 June 2019 Pages: 210 - 217
Representation of the elements of the finite field \({\mathbb {F}}_p\) by fractions S. LouboutinA. Murchio OriginalPaper 27 June 2019 Pages: 218 - 220
A note about maximal almost-invariant subspaces and maximal hyperinvariant subspaces Cui ChenZe-Hua ZhouYa Wang OriginalPaper Open access 27 June 2019 Pages: 221 - 226
Proof of a conjecture on a congruence modulo 243 for overpartitions Xiaoqian HuangOlivia X. M. Yao OriginalPaper 29 June 2019 Pages: 227 - 235
On approximation by some Bernstein–Kantorovich exponential-type polynomials Ali AralDiana OtrocolIoan Raşa OriginalPaper 29 June 2019 Pages: 236 - 254
Rational solutions of the Diophantine equations \(f(x)^2 \pm f(y)^2=z^2\) Ahmed El Amine YoumbaiDjilali Behloul OriginalPaper 06 July 2019 Pages: 255 - 260
