"The theory of correspondence reaches far deeper
than that of mere numerical congruity with which
it is associated as the substance with the shadow"
James Joseph Sylvester
A Short proof of Rayleigh's Theorem with extensions. Manuscript (pdf). To appear in The American Mathematical Monthly. Abstract
Unified bijections for maps with prescribed degrees and girth.
Joint work with Eric Fusy. Manuscript (pdf).Journal of Combinatorial Theory - Series A, Vol 119, pp 1351-1387 (2012). Abstract
An analogue of the Harer-Zagier formula for unicellular maps on general surfaces. Manuscript (pdf).Advances in Applied Mathematics, Vol 48(1), pp 164-180 (2012). Abstract
A bijection for triangulations, quadrangulations, pentagulations, etc.
Joint work with Eric Fusy. Manuscript (pdf).Journal of Combinatorial Theory - Series A, Vol 119(1), pp 218-244 (2012). Abstract
A related extended abstract (with less results) appeared in FPSAC 2010.
Schnyder decompositions for regular plane graphs and application to drawing.
Joint work with Eric Fusy. Manuscript (pdf).Algorithmica Vol 62(3), pp 1159-1197 (2012)
. Abstract
A bijection for covered maps, or a shortcut between Harer-Zagier's and Jackson's formulas.
Joint work with Guillaume Chapuy. Manuscript (pdf).Journal of Combinatorial Theory - Series A, Vol 118(6), pp 1718-1748 (2011). Abstract
Counting unicellular maps on non-orientable surfaces.
Joint work with Guillaume Chapuy. Manuscript (pdf).Advances in Applied Mathematics Vol 47, pp. 259-275 (2011). Abstract
An extended abstract also appeared in FPSAC 2010.
Enumerating simplicial decompositions of surfaces with boundaries. Joint work with Juanjo Rué. Manuscript
(pdf).European Journal of Combinatorics, Vol 33, pp. 302-325 (2012). Abstract
A linear algorithm
for the random sampling from regular languages.
Joint work with Omer Gimenez. Manuscript
(pdf).Algorithmica Vol 62(1), pp 130-145 (2012). Abstract
A Bijection between well-labelled positive paths and
matchings.
Joint work with Bertrand Duplantier and Philippe Nadeau. Manuscript (pdf).Seminaire Lotharingien de Combinatoire, Vol 63, B63e (13 pages) (2010). Abstract
Intervals in Catalan lattices and
realizers of triangulations. Joint work with Nicolas
Bonichon. Manuscript (pdf).Journal of Combinatorial Theory - Series
A, Vol 116(1), pp 55-75 (2009).
Abstract
An extended abstract also appeared in FPSAC 2007.
Solution to a combinatorial puzzle
arising from Mayer's theory of cluster integrals. Manuscript
(pdf).Seminaire Lotharingien de Combinatoire, Vol 59, B59e (10 pages)
(2008).
Abstract
Tutte polynomial, subgraphs, orientations and sandpile model: new connections via embeddings. Manuscript (pdf).Electronic Journal of Combinatorics, Vol 15(1), R109 (52
pages) (2008). Abstract
A characterization of the Tutte polynomial via combinatorial embedding. Manuscript (pdf).Annals of Combinatorics, Vol 12(2), pp 139-153 (2008). Abstract
On
triangulations with high vertex degree. Manuscript (pdf).Annals of Combinatorics, Vol
12(1), pp 17-44 (2008).
Abstract
A related extended abstract also appeared in FPSAC 2005.
Bijective counting of tree-rooted maps and shuffles of parenthesis systems. Manuscript (pdf).Electronic Journal of Combinatorics, Vol 14, R9 (36 pages) (2007). Abstract
Bijective counting of Kreweras walks and loopless triangulations. Manuscript (pdf).Journal
of Combinatorial Theory - Series A, Vol 114(5), pp 931-956 (2007).
Abstract
An related extended abstract also appeared in FPSAC 2006.