2015

September 1-September 4, 2015, Lausanne/Switzerland Functorial Methods in Representation Theory Meeting to honor Serge Bouc's 60th birthday
talk degeneration in tringulated categories. see here for the beamer presentation

8 October-16 October, 2015, Murcia/Spain collaboration with Manolo Saorin

19 October-20 October, 2015, Bielefeld/Allemagne Ehrenpromotion Idun Reiten and Robert V. Moody

2016

January 29, 2016 Université Blaise Pascal Clermont-Ferrand séminaire équipe ''géométrie, algèbre, algèbres d'opérateurs'':
talk dégénérescence dans des catégories triangulées.

14 February-20 February, 2016, Oberwolfach/Germany Hochschild Cohomology in Algebra, Geometry, and Topology :
talk degeneration in triangulated categories.

21 March-24 March, 2016, Stuttgart/Germany workshop ''Brauer graph algebras''
talk Batalin-Vilkovisky structure on the Hochschild cohomology of Frobenius algebras.

8 October-22 October, 2016, Bandung and Yogyakarta/Indonesia visit Intan Muchtadi-Alamsyah and Indah Wijayanti
October 10: Lecture 1 Bandung ''Equivalence between categories: Morita and stable equivalences''
October 13: Lecture 2 Bandung ''Tensor product of algebras and stable equivalence of Morita type''
October 14: Bandung algebra workshop ''Verdier quotients of homotopy categories''
October 17: Yogyakarta UGM: Lecture 1: Introduction to representation theory 1; equivalences of categories of representations
October 18: Yogyakarta UGM: Lecture 2: Introduction to representation theory 2; Tensor product of algebras and stable equivalences of Morita type, the non symmetric case
October 19: Yogyakarta UGM: Lecture 3: Introduction to representation theory 3; Tensor product of algebras and stable equivalences of Morita type, th symmetric case; Verdier quotients of homotopy categories
October 20: Yogyakarta UGM: Algebra Colloquium: ''On equivalences between categories of representations''

9 December-10 December, 2016, Aachen/Germany Nikolaus conference 2016

2017

October 23-November 4, 2017, Shanghai/China East China Normal University, visit Guodong Zhou