**1** Counting Doodles, an hommage to Claude Itzykson(.pdf), talk given at the 20th Itzykson Conference, Saclay, June 10th, 2015

**2** Invariances in Physics and Group Theory(.pdf), talk given at the conference "Lie and Klein; the Erlangen program and its impact on mathematics and physics", Strasbourg, Sept. 2012

**3** ``Angular'' matrix integrals (.pdf), an avatar of lectures given at Rutgers, Orsay, Stockholm, Montreal

**4** Introduction to random matrices (.pdf)

**5** Logarithmic minimal models and their integrable
realization (.pdf)

**6** Lattice Loop Models and Combinatorics (.pdf)

**7** Matrix Integrals and Knot Theory (.pdf)