On some families of subsemigroups of a numerical semigroup Fabián AriasJerson Borja RESEARCH ARTICLE 07 January 2021 Pages: 322 - 339
Periodic behavior in families of numerical and affine semigroups via parametric Presburger arithmetic Tristram BogartJohn GoodrickKevin Woods RESEARCH ARTICLE 10 February 2021 Pages: 340 - 356
Coverages on inverse semigroups Gilles G. de Castro Research Article 30 September 2020 Pages: 375 - 396
Complete classification of finite semigroups for which the inverse monoid of local automorphisms is a \(\varDelta \)-semigroup V. D. Derech RESEARCH ARTICLE 07 January 2021 Pages: 397 - 407
On sensitive sets and regionally proximal sets of group actions Zhumin DingXiaoxiao NieJiandong Yin Research Article 02 March 2021 Pages: 408 - 421
\(\lambda \)-Semidirect products of inverse monoids are weakly Schreier extensions Peter F. Faul Research Article Open access 31 August 2020 Pages: 422 - 436
The rank of the inverse semigroup of partial automorphisms on a finite fence J. KoppitzT. Musunthia RESEARCH ARTICLE 08 January 2021 Pages: 437 - 455
A simple spectral theory of polynomially bounded solutions and applications to differential equations Vu Trong LuongNguyen Van Minh Resarch Article 02 March 2021 Pages: 456 - 476
Semigroup method for a deteriorating system with multiple vacations of a repairman Muhtabar MuhtarAbdukerim HajiAbdulla Hoshur Research Article 09 January 2021 Pages: 477 - 494
A categorical approach to operator semigroups Abraham C. S. Ng RESEARCH ARTICLE 10 February 2021 Pages: 495 - 516
Essential character amenability of semigroup algebras Hamid Sadeghi Nahrekhalaji Research Article 04 January 2021 Pages: 528 - 542
A note on weak amenability of semigroup algebras Maedeh Soroushmehr RESEARCH ARTICLE 04 January 2021 Pages: 543 - 552
A construction of the free digroup Guangliang ZhangYuqun Chen Research Article 02 March 2021 Pages: 553 - 567
Polynomial central set theorem near zero Aninda ChakrabortySayan Goswami SHORT NOTE 23 February 2021 Pages: 568 - 574
A simple proof of a multidimensional Borg–Levinson type theorem Mourad Choulli Short Note 19 February 2021 Pages: 575 - 582
