On Algorithmic Problems for Joins of Pseudovarieties B. Steinberg OriginalPaper 26 February 2013 Pages: 1 - 40
Centralizers and Central Idempotents of Semigroup Rings Y. Chen OriginalPaper 26 February 2013 Pages: 41 - 52
On Definability of Hypergraphs by Their Semigroups of Homomorphisms A.V. Molchanov OriginalPaper 26 February 2013 Pages: 53 - 65
Commutative Nilsemigroups with Zero Cohomology P.A. Grillet OriginalPaper 26 February 2013 Pages: 66 - 78
Presentations of Bruck-Reilly Extensions and Decision Problems A. Yamamura OriginalPaper 26 February 2013 Pages: 79 - 97
A Compact Monothetic Semitopological Semigroup Whose Set of Idempotents Is Not Closed A. BouziadM. LemańczykM. K. Mentzen OriginalPaper 26 February 2013 Pages: 98 - 102
The Berman Conjecture Is True for Finite Surjective Semigroups and Their Inflations S. CrvenkovićI. DolinkaN. Ruškuc OriginalPaper 26 February 2013 Pages: 103 - 114
Lattice Isomorphisms of Completely 0 -Simple Semigroups A. J. Ovsyannikov OriginalPaper 26 February 2013 Pages: 115 - 145
On the Index of Nilpotency of Semigroup Graded Rings H. Gopalakrishnan OriginalPaper 26 February 2013 Pages: 146 - 158