Martingale transforms and fractional integrals on rearrangement-invariant martingale Hardy spaces Kwok-Pun Ho OriginalPaper 17 March 2020 Pages: 159 - 173
The \({\mathbb {Q}}\)-Korselt set of \(\mathrm {pq}\) Nejib Ghanmi OriginalPaper 17 March 2020 Pages: 174 - 193
Weakly Douglas Finsler metrics M. AtashafrouzB. NajafiA. Tayebi OriginalPaper 16 March 2020 Pages: 194 - 200
Coproducts in the category \({{\mathcal {S}}}(B)\) of Segal topological algebras, revisited Mart Abel OriginalPaper 18 March 2020 Pages: 201 - 216
Multiplicative dependence between k-Fibonacci and k-Lucas numbers Carlos A. GómezJhonny C. GómezFlorian Luca OriginalPaper 19 March 2020 Pages: 217 - 233
A note on the simultaneous Pell equations \(x^2-(a^2-1)y^2=1\) and \(y^2-bz^2=1\) Xing-Wang Jiang OriginalPaper 14 April 2020 Pages: 234 - 238
Convergence rate for Rényi-type continued fraction expansions Gabriela Ileana SebeDan Lascu OriginalPaper 16 March 2020 Pages: 239 - 249
3-rank of ambiguous class groups of cubic Kummer extensions S. AouissiD. C. MayerA. Azizi OriginalPaper 19 March 2020 Pages: 250 - 274
A note on the exceptional solutions of Jeśmanowicz’ conjecture concerning primitive Pythagorean triples Ruiqin FuHai Yang OriginalPaper 18 March 2020 Pages: 275 - 283
On the Diophantine equation \(x^2+3^a41^b=y^n \) Murat AlanUğur Zengin OriginalPaper 17 March 2020 Pages: 284 - 291