Ayık, G., Ayık, H., Howie, J.M.,Ünlü,Y., (m,r)-rank of finite full
transformation semigroups, Anyalya Algebra Days VIII, 17-21 May(2006).
Ayık, G., Ayık, H., Howie, J.M., On factorisations and generators in transformation semigroups,
Anyalya Algebra Days VII, 18-22 May(2005).
Ayık, H., Ayık, G., Howie, J.M., Ünlü,Y., The
Structure of Elements in Finite Full Transformation Semigroups, Antalya
Algebra Days VII, 18 - 22 May(2005).
Ayık, G., Ayık, H., Ünlü, Y., Bazı Yarıgrup Ailelerinin Sonlu Takdimedilebilirliği, XVII.
Ulusal Matematik Sempozyumu, Abant İzzet Baysal Üniversitesi, Bolu, 23 - 26
Ağustos, (2004).
Ayık, H., On
Semigroup Presentations, Antalya Algebra Days III, Antalya, 28 May - 1 June,
(2003).
Ayık, H., Presentations for S and S/p from a
Given Presentation p & Embedding into
Inefficient Semigroups, Seminar, University of St Andrews, Scotland, 31 July,
(2003).
Ayık, H.,
Semigroup Presentation and Adian Graphs, Seminar, University of St Andrews,
Scotland, 30 July, (2003).
Campbell, C., Ayık, H., O'Connor, J., Ruskuc, N., The semigroup Efficiency of Direct Powers
of Groups, International Conference on Semigroups, University of Minho, Braga
Portugal, 18 - 23 June, (1999).
Ayık, H., Ruskuc, N., Generators and Relations of Rees Matrix Semigroups, International
Conference On Algorithmic Problems In Groups And Semigroups, University of
Nebraska, Lincoln, USA, 11 - 15 May, (1999).
Campbell, C., Ayık, H., O'Connor, J., Ruskuc, N., The Semigroup Efficiency of Groups,
International Conference On Algorithmic Problems In Groups And Semigroups,
University of Nebraska, Lincoln, USA, 11 - 15 May, (1998).
Campbell, C., Ayık, H., O'Connor, J., Ruskuc, N., On the Efficiency of Wreath Products of
Groups, Groups Korea 98, Pulsan National University, 10 - 16 August, (1998).
Ayık, H., Efficiency of Semigroups, Conference On
Semigroups And Applications, University of St Andrews, Scotland, 2 - 9 July,
(1997).
