Participation in conferences

• Potsdam, Germany, 11th Conference for Young Algebraists and 51st Workshop on General Algebra, 16.02. - 18.02.1996.
• Prague, Czech Republic, Semigroups and their applications, 1.07-5.07.1996.
• Tartu, Estonia, Transformation semigroups and acts over monoids, 16.08.-19.08.1996.
• Braga, Portugal, International conference on semigroups, 18.06.-23.06.1999.
• Potsdam, Germany, 15th Conference for Young Algebraists and 59 th Workshop on General Algebra, 4.02.-6.02.2000.
• Bremen, Germany, Categorical methods in algebra and topology, 21.08.-25.08.2000
• Kääriku, Estonia, Workshop on algebra and its applications, 11.05.-13.05.2001.
• Tallinn, Estonia, Institute of Cybernetics, Seminar on coalgebras, 12.03.2002.
• Kääriku, Estonia, Workshop on algebra and its applications, 27.04.-28.04.2002.
• Tallinn, Estonia, Tallinn Pedagogical University, conference "Finest math 2002", 27.05-29.05.2002.
• Toronto, Canada, Fields Institute, Workshop on categorical structures for descent and Galois theory, Hopf algebras and semiabelian categories, 23.09-28.09.2002.
• Arula, Estonia, Theory days of computer science, 3.02-5.02.2003.
• Kääriku, Estonia, Workshop on algebra and its applications, 16.05.-18.05.2003.
• Kokõ, Estonia, Theory days of computer science, 30.01.-1.02.2004.
• Kääriku, Estonia, Workshop on algebra and its applications, 8.05.-9.05.2004.
• Nelijärve, Estonia, Workshop on algebra and its applications, 7.05.-8.05.2005.
• Lisboa, Portugal, International conference on semigroups and languages, 12.07.-15.07.2005.
• Kokõ, Estonia, Workshop on algebra and its applications, 5.05.-7.05.2006.
• Radejov, Czech Republic, Summer School on General Algebra and Ordered Sets, 3.09-9.09.2006.
• Ratnieki, Latvia, Workshop on algebra and its applications, 4.05-6.05.2007.
• Tampere, Finland, 74th Workshop on General Algebra, 7.06-10.06.2007.
• Tartu, Estonia, Conference on Semigroups, Acts and Categories with Applications to Graphs, 27.06-30.06.2007.
• York, United Kingdom, The Sixtieth British Mathematical Colloquium, 25.03-28.03.2008.
• Viinistu, Estonia, Workshop on algebra and its applications, 2.05.-4.05.2008.
• Tartu, Estonia, Algebra ja analüüsi meetodid VII, 20.11-21.11.2008.
• Vadsa, Estonia, Workshop on algebra and its applications, 25.04.-16.04.2009.
• St. Andrews, Scotland, The Second Meeting of the North British Semigroups and Applications Network, 16.04-17.04.2009.
• Tartu, Estonia, The Third Finnish-Estonian Mathematical Colloquium FinEst Math 2009, 26.08-28.08.2009.
• Svente, Latvia, Workshop on algebra and its applications, 29.04-1.05.2011.
• Luhansk, Ukraine, The 8th International Algebraic Conference in Ukraine, 5.07.-12.07.2011.
• Sokka, Estonia, Workshop on algebra and its applications, 27.04.-29.04.2012.
• Uppsala, Sweden, Semigroups and Applications, 20.08.-01.09.2012.
• Väiko-Härmä, Estonia, Workshop on algebra and its applications, 26.04.-28.04.2013.
• Tartu, Estonia, Conference "Kangro 100. Methods of Analysis and Algebra", 1.09-6.09.2013.
• York, UK, The 16th NBSAN Meeting, 20.11.2013.
• Linz, Austria, The 87th Workshop on General Algebra, 07.-09.02.2014.
• Änkküla, Estonia, Workshop on algebra and its applications, 25.04.-27.04.2014.
• Porto, Portugal, Workshop on Groups and Semigroups, 2015 AMS-EMS-SPM International Meeting, 09.06.-13.06.2015.
• Taevaskoja, Estonia, Workshop on algebra and its applications, 05.05.-07.05.2017.
• Novi Sad, Serbia, The 94th Workshop on General Algebra, in conjunction with the 5th Novi Sad Algebraic Conference, 15.-18.06.2017.
• Berlin, Germany, International Workshop on Graphs, Semigroups and Semigroup Acts, 10.-13.10.2017.
• York, UK, The 27th NBSAN Meeting, 07.-08.01.2018.
• Tartu, Estonia, International Conference on Algebra and its Applications, 18.-20.07.2018.
• Cremona, Italy, Semigroups and Groups, Automata, Logics 2019, 10.-13.06.2019.
• Tartu, Estonia, Statistical Inference and Algebraic Structures, 01.-02.07.2019.
• Pärnu, Estonia, Functor Categories, Model Theory, and Constructive Category Theory, 15.-17.07.2019.
• Novi Sad, Serbia, The 101st Workshop on General Algebra (AAA101), 04.-06.06.2021. Online confenence.
• Bushehr, Iran, The 27th Iranian Algebra Seminar, 09.-10.03.2022. Online seminar.
• Szeged, Hungary, The 102nd Workshop on General Algebra (AAA102), 24.-26.06.2022.
• Tartu, Estonia, The 103rd Workshop on General Algebra (AAA103), 09.-11.06.2023.
• Pocinho, Portugal, The Conference on Theoretical and Computational Algebra (TCA2023), 02.-07.07.2023.
• Manchester, UK, The 75th British Mathematical Colloquium (BMC2024), 17.-20.06.2024.
• Manchester, UK, The thirty-sixth NBSAN meeting, 20.-21.06.2024.