1. Existence of solutions of the nonautonomous abstract Cauchy problem of second order

   • Hernán R. Henríquez

   RESEARCH ARTICLE 30 March 2013 Pages: 277 - 297

2. The normal subsemigroups of the monoid of injective maps

   • Manfred Droste
   • Rüdiger Göbel

   RESEARCH ARTICLE 07 March 2013 Pages: 298 - 312

3. On the Möbius function of the locally finite poset associated with a numerical semigroup

   • Jonathan Chappelon
   • Jorge Luis Ramírez Alfonsín

   RESEARCH ARTICLE 29 December 2012 Pages: 313 - 330

4. Affine convex body semigroups

   • J. I. García-García
   • M. A. Moreno-Frías
   • A. Vigneron-Tenorio

   RESEARCH ARTICLE 03 January 2013 Pages: 331 - 350

   

5. Endomorphism monoids in varieties of commutative semigroups

   • M. Demlová
   • V. Koubek
   • J. Sichler

   RESEARCH ARTICLE 21 February 2013 Pages: 351 - 376

6. Bounded mild solutions to fractional integro-differential equations in Banach spaces

   • Rodrigo Ponce

   RESEARCH ARTICLE 21 February 2013 Pages: 377 - 392

   

7. Regular semilattice of semigroups and its applications

   • Zheng-Pan Wang
   • Yuan-Lan Zhou

   RESEARCH ARTICLE 16 February 2013 Pages: 393 - 406

   

8. Irreducible numerical semigroups with multiplicity three and four

   • Víctor Blanco

   RESEARCH ARTICLE 05 March 2013 Pages: 407 - 427

   

9. A semilattice structure for Arens products

   • S. A. Hosseinioun
   • A. Valadkhani

   RESEARCH ARTICLE 06 March 2013 Pages: 428 - 436

   

10. Gaussian upper bounds for heat kernels of second order complex elliptic operators with unbounded diffusion coefficients on arbitrary domains

    • Sami Mourou
    • Mohamed Selmi

    RESEARCH ARTICLE 07 March 2013 Pages: 437 - 466

11. On commutation semigroups of dihedral groups

    • Darien DeWolf
    • Charles Edmunds
    • Christopher Levy

    RESEARCH ARTICLE 10 April 2013 Pages: 467 - 488

12. A note on κ-uniform points of \(G^{\mathcal{LUC}}\)

    • T. Alaste

    SHORT NOTE 30 March 2013 Pages: 489 - 493

13. Erratum to: Articles by A.H. Clifford

    • Michael Mislove

    Erratum 06 June 2013 Pages: 494 - 494

14. Retraction Note: On right congruences of semigroups having no proper essential right congruences, Semigroup Forum (2012) 85:369–380

    • Chong-yih Wu

    Retraction Note 31 July 2013 Pages: 495 - 496