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The $q$-Foulkes conjecture Special Session on Plethysm and Kronecker Products , Brunswick, Maine, 24-25 septembre 2016 .The $q$-Foulkes conjecture j uillet 2016 .Transparents Positivity and Rectangular Catalan Combinatorics Combinatoire Algébrique , Réunion d’hiver de la SMC, Montréal. Décembre 2015 . (Transparents Combinatorics and the Elliptic Hall Algebra Combinatorial Algebra meets Algebraic Combinatorics , Queen’s University. Janvier 2015 .Algebraic combinatorics and finite reflection groups , Colloque des sciences mathématiques du Québec , Université de Montréal. Décembre 2014 .The combinatorial side (and more) of the elliptic hall algebra DAHA, Hall Algebras, Torus Knots and Combinatorics , Université d’Orsay. Novembre 2014 .Chemins de $(a,b)$-Dyck, et fonctions de stationnement Journée de combinatoire de l’institut Camille Jourdan , Université de Lyon. Novembre 2014 . Recent Developments in Rational Combinatorics 2014 (Transparents Algebraic combinatorics and finite reflection groups AMS Sectional Meeting , Dalhousie University, Halifax. Octobre 2014 . (Transparents New tableaux formulas for Macdonald polynomials 2013 .Algebraic Combinatorics and Rational Combinatorics , 2013 .Encore des surprises concernant les fonctions de stationnement 2013 Transparents Multivariate Diagonal Harmonic Polynomials Rational Catalan Combinatorics Workshop 2012 .Polarization, combinatorics and geometry Interactions between Commutative Algebra and Algebraic Geometry 2012 . (Transparents en PDF h –Positivity and Diagonal Coinvariant Spaces 2011 .Flajolet, Power Series and Analytic Combinatorics FPSAC’2011 2011 .(with N. Borie and N. Thiery), Deformed diagonal harmonic polynomials for complex reflection groups 2011 .
Diagonal harmonics (coinvariant spaces) of complex reflexion groups in several sets of variables 2011 .Combinatoire de Catalan et espaces de polynômes harmoniques diagonaux 2010 .(with A. Garsia and N. Wallach) Harmonics for deformed Steenrod operators 2010.
(with C. Reutenauer and A. Rodriguez) $SL_k$-tilings obtained from lattice path enumeration 7th International Conference on Lattice Path Combinatorics , Sienna, Italy, July 2010 .
Multivariate Diagonal Harmonic Polynomials , Combinatorial Algebra meets Algebraic Combinatorics , St-John’s, Newfoundland, 2009. Bijections implicites , Algorithms Project’s Seminar , Paris, 2008. Diagonal invariants of reflection groups , Workshop on Diagonally symmetric polynomials and applications , Centro Internacional de Encuentros Matematicos, Castro-Urdiales, Spain, 2007. A Combinatorial Moduli Space for Polynomials of Degree n , Coloquio Latinoamericano de Algebra , Medellin, 2007 .Harmonics for Steenrod Operators , Special session: Algebraic Combinatorics , CMS Winter Meeting, Toronto, 2006. A Combinatorial Moduli Space for Polynomials of Degree n, Workshop on Computational and Combinatorial Commutative Algebra , Fields Institute, Toronto, 2006 .Is k -QSym free over Sym , FPSAC’05 , Special session in honour of Adriano Garsia , Taormina, Sicile, Italie, 2005. Diagonal coinvariants: what’s up , Mittag-Leffler Institut , Sweden, 2005. Species and Variations on the Theme of Species , CTCS’04, Copenhague, 2004. Invariants of Finite Groups and Their Applications to Combinatorics (25 years later), CRM-ISM Colloquium , Montréal, 2004. Diagonal Alternants , Recent advances in algebraic and enumerative combinatorics , Banff, 2003.