Flag-transitive block designs and unitary groups Seyed Hassan AlaviMohsen BayatAshraf Daneshkhah OriginalPaper 30 April 2020 Pages: 535 - 553
Many periodic solutions for a second order cubic periodic differential equation Adriana BuicăArmengol Gasull OriginalPaper 30 May 2020 Pages: 555 - 572
Local-in-space blow-up and symmetry of traveling wave solutions to a generalized two-component Dullin–Gottwald–Holm system Wenguang ChengTianzhou Xu OriginalPaper 15 April 2020 Pages: 573 - 589
Geometry of compact lifting spaces Gregory R. ConnerWolfgang HerfortPetar Pavešić OriginalPaper 31 August 2020 Pages: 591 - 603
Properties of normal harmonic mappings Hua DengSaminathan PonnusamyJinjing Qiao OriginalPaper 30 August 2020 Pages: 605 - 621
Existence and uniqueness and first order approximation of solutions to atmospheric Ekman flows Michal FečkanYi GuanJinRong Wang OriginalPaper 16 April 2020 Pages: 623 - 636
Polynomial values of products of terms from an arithmetic progression L. HajduÁ. Papp OriginalPaper Open access 30 April 2020 Pages: 637 - 655
Partially smooth universal Taylor series on products of simply connected domains Giorgos Kotsovolis OriginalPaper 28 June 2020 Pages: 657 - 669
On the decrease of velocity with depth in irrotational periodic water waves Luigi Roberti OriginalPaper 01 August 2020 Pages: 671 - 682
Periodic points in random substitution subshifts Dan Rust OriginalPaper Open access 26 August 2020 Pages: 683 - 704
Radix expansions and connectedness of planar self-affine fractals Lian WangKing-Shun Leung OriginalPaper 25 August 2020 Pages: 705 - 724