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Nik Ruskuc

School of Mathematics and

Statistics

North Haugh

St Andrews

KY16 9SS

United Kingdom

E-mail: nik.ruskuc@st-andrews.ac.uk

Web address: http://turnbull.mcs.st-and.ac.uk/~nik/

Direct phone: +44 (0)1334 463787

Research overview

Combinatorial semigroup theory: generating sets for semigroups and defining semigroups by presentations (generators and defining relations); presentations for substructures and algebraic constructions;

Subsemigroups: index and rank; 

Group and semigroup presentations;

Transformation semigroups: properties of finite and infinite semigroups of mappings from a set into itself;

 Machine and languages (theoretical computer science) in algebra: automatic structures, decidability;

Combinatorics of permutations, words, etc: pattern classes, decidability questions in combinatorics; 

Computational algebra: algorithms and packages for computing with algebraic structures. 

 

Research publications

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Activities and awards

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