1. Well-posedness and stability results for some nonautonomous abstract linear hyperbolic equations with memory

   • Waled Al-Khulaifi
   • Toka Diagana
   • Aissa Guesmia

   Research Article 27 May 2022 Pages: 351 - 373

2. The projection problem in commutative, positively ordered monoids

   • Gianluca Cassese

   Research Article Open access 18 August 2022 Pages: 374 - 384

3. On the value set of 1-forms for plane branches

   • Marcelo Osnar Rodrigues de Abreu
   • Marcelo Escudeiro Hernandes

   Research Article 11 July 2022 Pages: 385 - 397

   

4. Connected objects in categories of S-acts

   • Josef Dvořák
   • Jan Žemlička

   Research Article 08 August 2022 Pages: 398 - 425

5. Growth of orbits for operator semigroups on Banach spaces with Schauder bases

   • Harrison Gaebler

   Research Article 07 September 2022 Pages: 426 - 433

6. Semigroups of straight left inverse quotients

   • Victoria Gould
   • Georgia Schneider

   Research Article Open access 22 July 2022 Pages: 434 - 465

   

7. Semigroup identities of supertropical matrices

   • Zur Izhakian
   • Glenn Merlet

   Research Article 16 August 2022 Pages: 466 - 477

8. Arf numerical semigroups with prime multiplicity

   • Halil İbrahim Karakaş

   Research Article 10 June 2022 Pages: 478 - 487

9. Monoid extensions and the Grothendieck construction

   • Graham Manuell

   Research Article 20 June 2022 Pages: 488 - 507

   

10. On certain inverse semigroups associated with one-sided topological Markov shifts

    • Kengo Matsumoto

    Research Article 24 August 2022 Pages: 508 - 516

11. On the class semigroup of root-closed weakly Krull Mori monoids

    • Jun Seok Oh

    Research Article 25 July 2022 Pages: 517 - 533

12. On the globalization of geometric partial (co)modules in the categories of topological spaces and algebras

    • Paolo Saracco
    • Joost Vercruysse

    Research Article 28 March 2022 Pages: 534 - 550

13. Force recurrence of semigroup actions

    • Kesong Yan
    • Fanping Zeng
    • Rong Tian

    Research Article 05 April 2022 Pages: 551 - 569

14. A note on approximate biprojectivity of some semigroup algebras

    • A. Sahami
    • M. Askari-Sayah
    • M. Rostami

    Short Note 20 September 2022 Pages: 570 - 574

15. New models for the free commutative monogenic trioid and its endomorphism monoid

    • Yurii V. Zhuchok

    Short Note 13 September 2022 Pages: 575 - 581

16. Publisher Correction to: Distribution of genus among numerical semigroups with fixed Frobenius number

    • Deepesh Singhal

    Publisher Correction Open access 20 June 2022 Pages: 582 - 582