Aldo De Luca 1941–2018 Clelia De FeliceDominique PerrinAntonio Restivo Obituary 17 June 2019 Pages: 205 - 213
\(\infty \)-Constructible subsemigroups of \(M_2(\mathbb {C})\) Yatir Halevi RESEARCH ARTICLE 25 October 2018 Pages: 214 - 232
Structure of the Eberlein compactification of locally compact Heisenberg type group \(\mathbb {Z}\times \mathbb {T} \times \mathbb {T}\) Elcim Elgun Research Article 19 September 2018 Pages: 233 - 244
Generation of semigroup for symmetric matrix Schrödinger operators in \({\varvec{L}}^{\varvec{p}}\)-spaces A. Maichine Research Article 16 July 2018 Pages: 245 - 259
\(\aleph _0\)-categoricity of semigroups Victoria GouldThomas Quinn-Gregson Research Article Open access 29 January 2019 Pages: 260 - 292
A novel algebraic characteristic of fractional resolvent families Jie MeiChuang ChenMiao Li Research Article 05 October 2018 Pages: 293 - 302
Some characterizations of the tensor product of complete lattices with applications to quantales Javier Gutiérrez GarcíaUlrich HöhleTomasz Kubiak Research Article 17 September 2018 Pages: 303 - 316
Factorizations of polynomials with integral non-negative coefficients Federico CampaniniAlberto Facchini Research Article 30 October 2018 Pages: 317 - 332
Endomorphisms of semigroups of order-preserving partial transformations Vítor H. FernandesPaulo G. Santos Research Article 14 June 2018 Pages: 333 - 344
Rees coextensions of finite tomonoids and free pomonoids Milan PetríkThomas Vetterlein Research Article Open access 28 September 2018 Pages: 345 - 367
A cancellativity criterion for presented monoids Patrick Dehornoy Research Article 04 October 2018 Pages: 368 - 390
On finite presentations of inverse semigroups with zero having polynomial growth L. M. ShneersonD. Easdown Research Article 26 February 2019 Pages: 391 - 446
Gröbner basis and the automaton property of Hecke–Kiselman algebras Arkadiusz MȩcelJan Okniński Research Article Open access 30 May 2019 Pages: 447 - 464
A new approach to a network of congruences on an inverse semigroup Ying-Ying FengLi-Min WangHai-Yuan Huang Research Article 14 March 2019 Pages: 465 - 480
Irreducible generalized numerical semigroups and uniqueness of the Frobenius element Carmelo CistoGioia FaillaRosanna Utano Research Article 24 July 2019 Pages: 481 - 495
Tempered monoids of real numbers, the golden fractal monoid, and the well-tempered harmonic semigroup Maria Bras-Amorós Research Article 30 September 2019 Pages: 496 - 516
Idempotent-fixing automorphisms of completely regular semigroups Primož Moravec Short Note 25 June 2018 Pages: 517 - 521
Correction to: Flat coset decompositions of skew lattices João Pita CostaKarin Cvetko-Vah Correction 12 August 2019 Pages: 522 - 523