Relative ranks of Lipschitz mappings on countable discrete metric spaces 
Mitchell, James D.; M. Morayne; Y. Peresse; J. Cichon

Groups Acting on Semimetric Spaces and Quasi-isometries of Monoids 
Gray, Robert; Kambites, M.

On monoids presented by rewriting systems and automatic structures for their submonoids 
Cain, Alan J.

Automatic presentations for semigroups 
Cain, Alan J.; Oliver, Graham P.; Ruškuc, Nik; Thomas, Richard M.

A 2-base for inverse semigroups 
Araújo, João; Michael Kinyon; R. Padmanabhan

On Residual Finiteness of Monoids, their Schutzenberger Groups and Associated Actions 
Gray, Robert; Ruskuc, Nik

Homotopy Bases and Finite Derivation Type for Subgroups of Monoids 
Gray, Robert; Malheiro, António

p-groups having a unique proper non-trivial characteristic subgroup 
Glasby, Stephen; Palfy, Peter P.; Schneider, Csaba

Green Index in Semigroups: Generators, Presentations and Automatic Structures 
Gray, Robert; Cain, Alan J.; Ruskuc, N.

On the number of finite algebraic structures 
Aichinger, E.; Mayr, P.; McKenzie, R.

Automatic structures and Malcev presentations for subsemigroups of Baumslag–Solitar semigroups 
Cain, Alan J.

Maximal subgroups of free idempotent generated semigroups over the full linear monoid 
Dolinka, I.; Gray, Robert

Automaton semigroups 
Cain, Alan J.

Finite Grobner–Shirshov bases for Plactic algebras and biautomatic structures for Plactic monoids 
Gray, Robert; Cain, Alan; Malheiro, António

Supernilpotence prevents dualizability  
Bentz, Wolfram; Mayr, P.

On the semigroups of endomorphisms of a chain with restricted range 
Fernandes, Vítor Hugo; Hoyam, Preeyanuch; Quinteiro, Teresa M.; Singha, Boorapa

On conditions for constellations 
Hollings, Christopher

The isomorphism problem for universal enveloping algebras of nilpotent Lie algebras 
Schneider, Csaba; Usefi, Hamid

On finitely related semigroups 
Mayr, P.

Homotopy bases and finite derivation type for subgroups of monoids 
Gray, Robert