The influence of Imre Simon’s work in the theory of automata, languages and semigroups Jean-Éric Pin TRIBUTE 31 January 2019 Pages: 1 - 8
Semigroup extensions of Abelian topological groups Yevhen Zelenyuk Research article 16 January 2018 Pages: 9 - 21
Semigroups of sums of two operators with small commutators Michael Gil’ RESEARCH ARTICLE 21 February 2018 Pages: 22 - 30
Characterizations of numerical semigroup complements via Apéry sets T. Alden GassertCaleb McKinley Shor Research Article 19 March 2018 Pages: 31 - 47
Measure-preserving semiflows and one-parameter Koopman semigroups Nikolai EdekoMoritz GerlachViktoria Kühner Research Article 06 August 2018 Pages: 48 - 63
On Hartwig–Nambooripad orders Alexander GutermanXavier MaryPavel Shteyner Research Article 19 April 2018 Pages: 64 - 74
Compatibility on naturally ordered transformation semigroups preserving an equivalence Lei Sun RESEARCH ARTICLE 06 September 2018 Pages: 75 - 82
On left regular bands and real conic–line arrangements Michael FriedmanDavid Garber RESEARCH ARTICLE 31 October 2018 Pages: 83 - 139
Associative idempotent nondecreasing functions are reducible Gergely KissGábor Somlai Research Article 17 October 2018 Pages: 140 - 153
Characterizations of quasitrivial symmetric nondecreasing associative operations Jimmy DevilletGergely KissJean-Luc Marichal Research Article 19 November 2018 Pages: 154 - 171
Locally maximal regular subsemibands of the finite transformation semigroups \({\mathcal {T}}(n,r)\) Ping ZhaoHuabi Hu Research Article 05 November 2018 Pages: 172 - 183
Admissible Banach function spaces for linear dynamics with nonuniform behavior on the half-line Nicolae LupaLiviu Horia Popescu Research Article 27 November 2018 Pages: 184 - 208
On contractibility of the Gelfand spectrum of semigroup measure algebras A. R. Mirotin SHORT NOTE 25 October 2018 Pages: 209 - 212