1. Gérard Lallement (1935–2006)

   • Jorge Almeida
   • Dominique Perrin

   Obituary 03 June 2009 Pages: 379 - 383

2. Rationally smooth algebraic monoids

   • Lex E. Renner

   Research article 19 September 2008 Pages: 384 - 395

3. Characterization of non-nilpotent topological interval semigroups

   • Roberto Ghiselli Ricci

   Research Article 14 March 2009 Pages: 396 - 409

4. Undirected power graphs of semigroups

   • Ivy Chakrabarty
   • Shamik Ghosh
   • M. K. Sen

   Research Article 27 January 2009 Pages: 410 - 426

5. Finitely generated permutative varieties

   • Olga Sapir

   Research article 08 April 2009 Pages: 427 - 449

6. Finite derivation type for large ideals

   • António Malheiro

   Research Article 15 October 2008 Pages: 450 - 485

7. Inverse subsemigroups and classes of finite aperiodic semigroups

   • Alexei Vernitski

   Research Article 22 November 2008 Pages: 486 - 497

8. The rank of the endomorphism monoid of a uniform partition

   • João Araújo
   • Csaba Schneider

   Research Article 02 December 2008 Pages: 498 - 510

9. E-inversive Dubreil-Jacotin semigroups

   • T. S. Blyth
   • M. H. Almeida Santos

   Research Article 18 December 2008 Pages: 511 - 527

10. Dense inverse subsemigroups of a topological inverse semigroup

    • Recep Korkmaz

    Research article 12 February 2009 Pages: 528 - 535

11. On the product formulas for C-semigroups

    • Miao Li
    • Quan Zheng

    Research Article 28 March 2009 Pages: 536 - 546

12. L ¹-spectrum of Banach space valued Ornstein–Uhlenbeck operators

    • Rostyslav V. Kozhan

    Short Note 19 June 2008 Pages: 547 - 553