1. Martingale transforms and fractional integrals on rearrangement-invariant martingale Hardy spaces

   • Kwok-Pun Ho

   OriginalPaper 17 March 2020 Pages: 159 - 173

2. The \({\mathbb {Q}}\)-Korselt set of \(\mathrm {pq}\)

   • Nejib Ghanmi

   OriginalPaper 17 March 2020 Pages: 174 - 193

   

3. Weakly Douglas Finsler metrics

   • M. Atashafrouz
   • B. Najafi
   • A. Tayebi

   OriginalPaper 16 March 2020 Pages: 194 - 200

4. Coproducts in the category \({{\mathcal {S}}}(B)\) of Segal topological algebras, revisited

   • Mart Abel

   OriginalPaper 18 March 2020 Pages: 201 - 216

   

5. Multiplicative dependence between k-Fibonacci and k-Lucas numbers

   • Carlos A. Gómez
   • Jhonny C. Gómez
   • Florian Luca

   OriginalPaper 19 March 2020 Pages: 217 - 233

6. 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

7. Convergence rate for Rényi-type continued fraction expansions

   • Gabriela Ileana Sebe
   • Dan Lascu

   OriginalPaper 16 March 2020 Pages: 239 - 249

8. 3-rank of ambiguous class groups of cubic Kummer extensions

   • S. Aouissi
   • D. C. Mayer
   • A. Azizi

   OriginalPaper 19 March 2020 Pages: 250 - 274

   

9. A note on the exceptional solutions of Jeśmanowicz’ conjecture concerning primitive Pythagorean triples

   • Ruiqin Fu
   • Hai Yang

   OriginalPaper 18 March 2020 Pages: 275 - 283

10. On the Diophantine equation \(x^2+3^a41^b=y^n \)

    • Murat Alan
    • Uğur Zengin

    OriginalPaper 17 March 2020 Pages: 284 - 291