Recent Talks

  • The $q$-Foulkes conjecture, Conference on Group Action and Algebraic Combinatorics, Herstmonceux Castle UK, July 2016.(PDF of my talk, 14.5MB)
  • Positivity and Rectangular Catalan Combinatorics, Scientific Session on Algebraic Combinatorics, CMS Winter Meeting, Montréal, December 2015.
    (Slides in PDF, 11MB).
  • Combinatorics and the Elliptic Hall Algebra, Combinatorial Algebra meets Algebraic Combinatorics, Queen’s University, 23-25 January 2015.
  • Algebraic combinatorics and finite reflection groups, Colloque des sciences mathématiques du Québec, Université de Montréal, December 4, 2014.
  • The combinatorial side (and more) of the elliptic hall algebra,
    DAHA, Hall Algebras, Torus Knots and Combinatorics, Université d’Orsay, November 17-20, 2014.
  • Chemins de $(a,b)$-Dyck, et fonctions de stationnement,
    Journée de combinatoire de l’institut Camille Jourdan, Université de Lyon, November 20, 2014.
  • Algebraic combinatorics and finite reflection groups, Invited address, AMS Sectional Meeting, Dalhousie University, Halifax. October 18-19, 2014.
    (Slides in PDF, 16 MB)
  • Recent Developments in Rational Combinatorics, Special Session: Combinatorial Commutative Algebra, AMS meeting, Philadelphia, October 2014.(Slides in PDF, 6.2 MB)
  • 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, June 2013.
  • Encore des surprises concernant les fonctions de stationnement, Journées de Combinatoire de Bordeaux, U. Bordeaux, February 2013.
    (Slides in PDF 14.5 MB)
  • Multivariate Diagonal Harmonic Polynomials, Rational Catalan Combinatorics Workshop, American Institute of Mathematics, December 2012.
  • Polarization, combinatorics and geometry, 22nd Annual Route 81 Conference, Interactions between Commutative Algebra and Algebraic Geometry, Queen’s U. October 2012. (Slides in PDF, 7.6 MB)
  • hPositivity and Diagonal Coinvariant Spaces, Special session: Symmetric Functions, Symmetric Group Characters, and Their Generalizations, AMS Section Meeting, Winston-Salem, September 2011.
  • Flajolet, Power Series and Analytic Combinatorics, Invited Speaker, FPSAC’2011, Reykjavik, Iceland, June 2011.
  • (with N. Borie and N. Thiery), Deformed diagonal harmonic polynomials for complex reflection groups, FPSAC’2011, Reykjavik, Iceland, June 2011.
  • Diagonal harmonics (coinvariant spaces) of complex reflexion groups in several sets of variables, Combinatorial Algebra meets Algrabric Combinatorics, Eight annual meeting, Lakehead University, Thunder Bay,  January 2011.
  • Combinatoire de Catalan et espaces de polynômes harmoniques diagonaux, Séminaire de combinatoire énumérative et algébrique, Institut Henri-Poincaré, Paris, Decembre 2010.
  • (with A. Garsia and N. Wallach) Harmonics for deformed Steenrod operators, FPSAC’2010, San Francisco, August 2010.
  • (with C. Reutenauer and A. Rodriguez) $SL_k$-tilings obtained from lattice path enumeration7th International Conference on Lattice Path Combinatorics, Sienna, Italy, July 2010.

More talks

Outreach talks (see ISM Cégep program or my Outreach page)