XXXIII Workshop and Summer School on Geometric methods in physics, Białowieża, Poland.

I. M. Gelfand and Modern Mathematics, Moscow State University, Russia.

Discrete integrable systems, Isaac Newton Institute, Cambridge, UK.

XXXII Workshop Geometric methods in physics, Białowieża, Poland.

Algebraic topology and abelian functions, Steklov Mathematical Institute of Russian Academy of Science, Moscow.

Geometry, topology, integrable systems, in honour of S. P. Novikov's 75th birthday, Steklov Mathematical Institute of Russian Academy of Science, Moscow.

Workshop on Computer Algebra, Joint Institute for Nuclear Research, Dubna, Russia.

Research visits

Math Physics group, Montclair university, NJ, USA.

Geometry and mathematical physics group, Manchester university, UK.