1. On the lattice of sub-pseudovarieties of DA

   • Manfred Kufleitner
   • Pascal Weil

   Research Article 12 August 2010 Pages: 243 - 254

2. Semigroups of locally injective maps and transfer operators

   • Justin R. Peters

   Research Article 17 March 2010 Pages: 255 - 268

3. Second module cohomology group of inverse semigroup algebras

   • E. Nasrabadi
   • A. Pourabbas

   Research Article 07 May 2010 Pages: 269 - 276

4. Endomorphisms of the semigroup of order-preserving mappings

   • V. H. Fernandes
   • M. M. Jesus
   • J. D. Mitchell

   Research Article 26 March 2010 Pages: 277 - 285

5. Congruence-simple subsemirings of ℚ⁺

   • Vítězslav Kala
   • Miroslav Korbelář

   Research Article 15 April 2010 Pages: 286 - 296

6. Conjugation of injections by permutations

   • Zachary Mesyan

   Research Article 24 April 2010 Pages: 297 - 324

7. Comparison semigroups and algebras of transformations

   • Tim Stokes

   Research Article 04 May 2010 Pages: 325 - 334

8. A note on the rank of semigroups

   • Sujin Shin
   • Jisang Yoo

   Research Article 24 April 2010 Pages: 335 - 343

9. (Super) module amenability, module topological centre and semigroup algebras

   • Hasan Pourmahmood-Aghababa

   Research Article 03 June 2010 Pages: 344 - 356

10. A presentation for the singular part of the full transformation semigroup

    • James East

    Research Article 13 July 2010 Pages: 357 - 379

11. Ternary semigroups

    • M. L. Santiago
    • S. Sri Bala

    Research Article 29 July 2010 Pages: 380 - 388

12. A partial converse to a theorem of Tamari

    • John Donnelly

    Short Note 26 March 2010 Pages: 389 - 392