Throwing a glance at 100 volumes of a journal and at half a century of its existence Karl Heinrich HofmannJimmie Don Lawson HISTORICAL ESSAY 19 November 2019 Pages: 2 - 8
The founding of the semigroup forum on the 50th anniversary of its formation Paul S. Mostert Historical Tribute 11 October 2019 Pages: 9 - 15
A front row seat: Štefan Schwarz and the Smolenice meeting Paul S. Mostert Historical Note 26 September 2019 Pages: 16 - 21
Factorization theory in commutative monoids Alfred GeroldingerQinghai Zhong Survey Open access 06 January 2020 Pages: 22 - 51
Notions of size in a semigroup: an update from a historical perspective Neil Hindman Research Article 30 July 2019 Pages: 52 - 76
Algebraic and analytic properties of semigroups related to fixed point properties of non-expansive mappings Anthony To-Ming LauYong Zhang Survey 13 August 2019 Pages: 77 - 102
Recent developments in inverse semigroup theory Mark V. Lawson Survey 01 October 2019 Pages: 103 - 118
An elementary Green imprimitivity theorem for inverse semigroups Bernhard Burgstaller Research Article 22 January 2020 Pages: 141 - 152
The monoid of \(2 \times 2\) triangular boolean matrices under skew transposition is non-finitely based Meng GaoWen Ting ZhangYan Feng Luo Research Article 21 November 2019 Pages: 153 - 168
A generalized central sets theorem in partial semigroups Arpita Ghosh Research Article 30 October 2018 Pages: 169 - 179
Four-cocycles in commutative semigroup cohomology Pierre Antoine Grillet Research Article 03 October 2019 Pages: 180 - 282
The Booleanization of an inverse semigroup Mark V. Lawson Research Article 19 November 2019 Pages: 283 - 314
Generators and presentations for direct and wreath products of monoid acts Craig Miller Research Article Open access 17 December 2018 Pages: 315 - 338
A note on additively completely regular seminearrings Rajlaxmi MukherjeeTuhin MannaPavel Pal RESEARCH ARTICLE 19 November 2018 Pages: 339 - 347