The Herzog–Schönheim conjecture for small groups and harmonic subgroups Leo MargolisOfir Schnabel Original Paper 04 October 2018 Pages: 399 - 418
A note on flat nonholonomic Riemannian structures on three-dimensional Lie groups Dennis I. BarrettClaudiu C. Remsing Original Paper 05 October 2018 Pages: 419 - 436
Verlinde bundles of families of hypersurfaces and their jumping lines Orlando Marigliano Original Paper Open access 17 October 2018 Pages: 437 - 444
From a single Sasakian manifold to a family of Sasakian manifolds Gherici BeldjilaliAhmed Mohammed CherifKaddour Zegga Original Paper 20 November 2018 Pages: 445 - 458
Lexell’s theorem via stereographic projection Aleksander Simonič Original Paper 29 October 2018 Pages: 459 - 463
A new solution of Apollonius’ problem based on stereographic projections of Möbius and Laguerre planes S. Gh. TaherianS. Mohseni Takaloo Original Paper 19 January 2019 Pages: 465 - 469
Formulas for calculating the dimensions of the sums and the intersections of a family of linear subspaces with applications Yongge Tian Original Paper 08 January 2019 Pages: 471 - 485
On the moduli space of equilateral plane pentagons Stephan KlausSadayoshi Kojima Original Paper Open access 04 December 2018 Pages: 487 - 497
Classifying character degree graphs with six vertices Mark W. BisslerJacob LaubacherMark L. Lewis Original Paper 06 February 2019 Pages: 499 - 511
Generalized derivations with skew-commutativity conditions on polynomials in prime rings Francesco Rania Original Paper 25 October 2018 Pages: 513 - 525
On quasi-regularity in gamma near-rings Srinivasa Rao RaviKrishnaveni Cheruvu Original Paper 10 November 2018 Pages: 527 - 535
Fundamentals of derivations on (ordered) hyper(near)-rings S. OmidiB. Davvaz Original Paper 04 December 2018 Pages: 537 - 553
The Brauer group of Azumaya–Poisson S-algebras T. Guédénon Original Paper 14 January 2019 Pages: 571 - 585
On generalized derivations in semiprime rings involving anticommutator Mohammad AshrafSajad Ahmad ParyMohd Arif Raza Original Paper 23 January 2019 Pages: 587 - 598