Motives and Strings Hannover (9-XI-'04; pdf) Perimeter Institute (19-XI-'04; pdf)
Diffraction Cambridge (22-V-'05; ps) Luminy (2-VI-'05; pdf)
Crystals, quivers and dessins d'enfants Oberwolfach (2-II-'06; pdf)
Quivers, Superpotentials, Dimer models RIMS Kyoto (11 January 2008; pdf)
Hypergeometric systems, Laurent polynomials, Chow quotients and dimers Leeds (23 May 2009; pdf)
Algebraic cycles, branes and De Rham-Witt Nagoya (23 November 2010; pdf)
Quivers with Potential and Hypergeometric Structures associated with integer points of the Grassmannian G(2,N-1) Hannover (18 April 2011; pdf)
Dimer Models and Hypergeometric Systems BIRS Banff (13 May 2011; pdf)