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, AMS The $q$-Foulkes conjecture , Brunswick, Maine, USA. September 24-25, Special Session on Plethysm and Kronecker Products 2016.
, Conference on Group Action and Algebraic Combinatorics, Herstmonceux Castle, UK. July The $q$-Foulkes conjecture 2016. ( ) Slides
, Positivity and Rectangular Catalan Combinatorics , CMS Winter Meeting, Montréal, Canada. December Algebraic Combinatorics 2015. ( ). Slides
, Combinatorics and the Elliptic Hall Algebra , Queen’s University, Canada. January Combinatorial Algebra meets Algebraic Combinatorics 2015.
, Algebraic combinatorics and finite reflection groups , Université de Montréal, Canada. December Colloque des sciences mathématiques du Québec 2014.
, The combinatorial side (and more) of the elliptic hall algebra
, Université d’Orsay, Paris, France. November DAHA, Hall Algebras, Torus Knots and Combinatorics 2014.
, Chemins de $(a,b)$-Dyck, et fonctions de stationnement
, Université de Lyon, France. November Journée de combinatoire de l’institut Camille Jourdan 2014.
, Invited address, Algebraic combinatorics and finite reflection groups AMS Sectional Meeting, Dalhousie University, Halifax, Canada. October 2014. ( ) Slides
, Special Session: Combinatorial Commutative Algebra, AMS meeting, Philadelphia, USA. October Recent Developments in Rational Combinatorics 2014. ( ) Slides
, New tableaux formulas for Macdonald polynomials Words, Codes and Algebraic Combinatorics, Cetraro, Italy. July 2013.
Algebraic Combinatorics and Rational Combinatorics , International Workshop in Combinatorial Algebra, Halifax, Canada. June 2013.
, Journées de Combinatoire de Bordeaux, U. Bordeaux, France. February Encore des surprises concernant les fonctions de stationnement 2013. ( ) Slides
, Multivariate Diagonal Harmonic Polynomials Rational Catalan Combinatorics Workshop, American Institute of Mathematics, December 2012.
, 22nd Annual Route 81 Conference, Polarization, combinatorics and geometry Interactions between Commutative Algebra and Algebraic Geometry, Queen’s University, October 2012. ( , 7.6 MB) Slides in PDF
h– , Special session: Symmetric Functions, Symmetric Group Characters, and Their Generalizations, AMS Section Meeting, Winston-Salem, September Positivity and Diagonal Coinvariant Spaces 2011.
, Invited Speaker, Flajolet, Power Series and Analytic Combinatorics , Reykjavik, Iceland, June FPSAC’ 2011 2011. (with N. Borie and N. Thiery),
, FPSAC’2011, Reykjavik, Iceland, June Deformed diagonal harmonic polynomials for complex reflection groups 2011.
, Combinatorial Algebra meets Algrabric Combinatorics, Eight annual meeting, Lakehead University, Thunder Bay, January Diagonal harmonics (coinvariant spaces) of complex reflexion groups in several sets of variables 2011.
, Séminaire de combinatoire énumérative et algébrique, Institut Henri-Poincaré, Paris, Decembre Combinatoire de Catalan et espaces de polynômes harmoniques diagonaux 2010. (with A. Garsia and N. Wallach)
, FPSAC’2010, San Francisco, August 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.