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Research topics: | algebraic combinatorics, and in particular combinatorics in the symmetric group algebra and its representations (Young diagrams, factorizations in symmetric groups and associated graphs embedded in surfaces, Jucys-Murphy elements) ;
| | symmetric functions, including Jack polynomials, and generalizations (in particular quasi-symmetric functions) ;
| | continuous limits of discrete objects, in particular random permutations and random Young diagrams (my favorite tool in this framework is the combinatorial analysis of mixed cumulants) ;
| | linear extensions, hook formulas, $P$-partition theory. |
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