On characterized subgroups of \(\pmb {{\mathbb {R}}}\) and \(\pmb {{\mathbb {R}}}/\pmb {{\mathbb {Z}}}\) Hans Weber OriginalPaper 07 November 2019 Pages: 353 - 370
Propagation of non-planar weak and strong shocks in a non-ideal relaxing gas Sarswati ShahRandheer Singh OriginalPaper 13 November 2019 Pages: 371 - 393
A family of weighted distributions based on the mean inactivity time and cumulative past entropies Camilla CalìMaria LongobardiGeorgios Psarrakos OriginalPaper 09 December 2019 Pages: 395 - 409
Semistar ascending chain conditions over power series rings Gmiza WafaSana Hizem OriginalPaper 11 December 2019 Pages: 411 - 423
Nonlinear elliptic system with singular coefficient and with diffuse measure data A. EljazouliH. Redwane OriginalPaper 17 December 2019 Pages: 425 - 443
An hyperbolic system of P.D.E. relevant in general relativity Giovanni Cimatti OriginalPaper 21 December 2019 Pages: 445 - 460
Bifurcation and the exact smooth, cusp solitary and periodic wave solutions of the generalized Kudryashov–Sinelshchikov equation XiaoHua Liu OriginalPaper 24 January 2020 Pages: 461 - 477
A note on Alberti’s Luzin-type theorem for gradients Siran Li OriginalPaper 31 January 2020 Pages: 479 - 488
A novel version of the Von Foerster equation to describe poikilothermic organisms including physiological age and reproduction rate Luca RossiniMario ContariniStefano Speranza OriginalPaper 10 February 2020 Pages: 489 - 503
On extropy of past lifetime distribution Osman KamariFrancesco Buono OriginalPaper 11 February 2020 Pages: 505 - 515
A note on the supersolubility of a group with ms-supersoluble factors Alexander Trofimuk OriginalPaper 12 February 2020 Pages: 517 - 521
