An alternative approach to alternating sign matrices, (pdf 9,3 Mo) Workshop on “Combinatorics and Statistical Physics”, The Erwin Schrödinger International Institute for Mathematicals Physics (ESI), Vienna, 20 May 2008.
complementary slides (pdf, 4,4 Mo)
slides (pdf, 9,9 Mo)
slides (pdf 9,3 Mo)
slides (pdf, 20,3 Mo)
Growth diagrams for Young tableaux, Robinson-Schensted correspondance and some quadratic algebra coming from physics, exposé au CMUP (Centro de Matematica da Universidade do Porto), Portugal,
17 September 2008 slides (13,1 Mo)
Alternative tableaux, permutations, a Robinson-Schensted like bijection and the asymmetric exclusion process in physics, exposé au 61ème SLC (Séminaire Lotharingien de Combinatoire dédié à la mémoire de Pierre Leroux, Curia, Portugal, 23 September 2008. slides (13,7 Mo)
Hommage à mon ami Pierre Leroux slides (3,6 Mo)
from the website of SLC : (Issue 61, in “Preface”)
Alternating sign matrices: at the crossroad of algebra, combinatorics and physics, colloquium au CMUC (Centro de Matematica da Universidade do Coimbra), Portugal, 26 September 2008 slides (15,6 Mo)
A bijective proof of an identity of Bauer for loop-erased random walks, deux exposés au groupe de travail de Combinatoire énumérative, LaBRI, Bordeaux, 10 et 17 Octobre 2008
slides
Alternative tableaux and pattern in permutations, exposé au groupe de travail de Combinatoire énumérative, LaBRI, Bordeaux, 14 Novembre 2008 slides (3,6 Mo)
“Jeu de taquin” for binary trees , exposé au groupe de travail de Combinatoire énumérative, LaBRI, Bordeaux, 14 Décembre 2008 slides (5,5 Mo)
Loday-Ronco algebra and Catalan alternative tableaux , (avec J.-C. Aval)
Deux exposés au groupe de travail de Combinatoire énumérative, LaBRI, Bordeaux, 23 et 30 Janvier 2009 slides X.G.V. (10 Mo) slides J.-C.A. LR1.pdf LR2.pdf
The cellular Ansatz
Deux exposés au séminaire Algo, INRIA, Rocquencourt, 2 mars 2009, dédiés à Philippe Flajolet pour son passage à 60. lettre pour Philippe
slides: 1er exposé inria_09a.pdf (pdf, 12,8 Mo)
2ème exposé inria_09b.pdf (pdf, 16,9 Mo)
compléments sur RSK inria_09RSK.pdf (pdf, 11,5 Mo)
Colloquium Nice
Novembre 2011 «Physique combinatoire et algèbres quadratiques»
slides (21, 3 Mo) voir la page «cours»
Les nouvelles mathématiques combinatoires: renaissance ou révolution ?
conférence au Lycée de Quimper slides Q (24, 9 Mo) Novembre 2011
Combinatorial aspects of continued fractions and applications
colloque FPAC «Philippe Flajolet and analytic combinatorics», Paris, Décembre 2011
slides (20,6 Mo)
Combinatorics of orthogonal polynomials and exclusion processes in physics
conference ICTS-TIFR, «Random matrix theory and applications»,
Indian Institute of Science, Bangalore, India, January 2012
slides part I (16,7 Mo) slides part II (10,4 Mo)
Quadratics algebras, combinatorial physics and planar automaton
seminar CMI (Chennai Mathematical Institute), Chennai, February 6, 2012 slides (14, 8 Mo)
coming:
Combinatorial operators and quadratic algebras
IMSc (Institute of Mathematical Science), Chennai, March 1, 2012 video
slides Part I Normal ordering, PASEP and alternative tableaux (3,2 Mo)
slides Part II The RSK correspondence from a combinatorial representation of the Heisenberg algebra (13 Mo)
slides Part III A bijection alternative tableaux -- permutations from a combinatorial representation of the PASEP algebra (3,9 Mo)
The combinatorics of some exclusion model in physics
IIT Madras (Indian Institute of Technology), March 2, 2012 slides (14,7 Mo)
abstracts of the 3 talks in Chennai (CMI, IMSc, IIT)
The beauty of mathematics
Pope John-Paul II College of Education, Pondicherry, 23 February 2012
slides Part I Tilings, classical combinatorics, trigonometry (5 Mo)
slides Part II Trees, Catalan numbers and bijections (8,4 Mo)
slides Part III Probabilities and physics: Catalan numbers in the TASEP model (2,2 Mo)
slides Part IV Srinivasa Ramanujan (11,1 Mo)
slides Part V The arctic circle theorem (2,8 Mo)
The combinatorics of some exclusion model in physics
Séminaire de la Fédération PhysStat-Sud Orsay/Saclay/X
Orsay 5 April 2012 slides (19,1 Mo)
Operators algebra and combinatorial physics
colloquium de l’Institut Mathématique de Jussieu, 12 April 2012
slides Part I (8,7 Mo)
slides Part II (10,2 Mo)
slides Part III (7,4 Mo)
The Strahler analysis of binary trees in computer science and in other sciences
IIT Bombay, Powai, Mumbai, India, 14 Février 2013 slides (pdf, 35 Mo)
Trees in various sciences
Institute Colloquium, IIT Bombay, Powai, Mumbai, India, 19 Février 2013 slides (pdf, 55 Mo)
3 talks at TIFR Bombay, Mumbai, India, February 2013 abstract and slides
3^n Colloquium in Theoretical Physics, 26 February 2013
The Strahler analysis of binary trees in computer science and in other sciences,
Computer science seminar, 27 February 2013
Quadratic algebras, combinatorial physics and planar automata,
Random interactions seminar, 28 February 2013
Des arbres dans les étoiles, des arbres dans les grains de lumière
avec G. Duchamp au violon et M. Pig Lagos aux textes diaporama et vidéo
Conférence grand public à Nancy, 30 Mai 2013
cycle des conférences «Science et Société»
From automata to RSK correspondence
Journées Christophe Reutenauer, «Words, Codes and Algebraic Combinatorics»,
Cetraro, Italy, July 2013 slides (pdf, 32,5 Mo)
The combinatorics of some exclusion model in physics
conférence à l’université La Sapienza, Rome, Juillet 2013, slides (pdf, 18,3 Mo)
Journées nationales de l’APMEP
Marseille, Octobre 2013,
deux ateliers et une présentation au «souk des maths» diaporamas
GT LaBRI, Bordeaux, 15 Novembre 2013
«Canopée des arbres binaires et intervalles genevois de l’associaèdre» (I)
diaporama (pdf, 5,5 Mo)
22 Novembre 2013
«Canopée des arbres binaires et intervalles genevois de l’associaèdre» (II)
diaporama (pdf, 8,8 Mo)
Canopy of binary trees, intervals in associahedra and exclusion model in physics
Workshop «Recent trends in Algebraic and Geometric Combinatorics»,
ICMAT, Campus de Cantoblanco, Madrid, Spain, 28 Novembre 2013
slides (pdf, 13,2 Mo)
Conferencia, Música, Poesía
"Árboles in la estrellas, Árboles in los granos de luz"
«La belleza matemática de los árboles»,
con la participatión de Marcia Pig Lagos, Cuenta Cuentos, y Gérard Duchamp (violin con video) 5 diciembre 2013, Salón Abate, Talca, Universidad Chile
diaporama (sin videos) (pdf 71,9 Mo, )
Canopy of binary trees, intervals in associahedra and exclusion model in physics
Instituto coloquio, Talca, Chile, 19 December 2013,
slides: see the slides of Madrid, 28 November 2013
Course at Universidad Talca, Heaps of pieces
(with interaction in mathematics and physics) 24h
December 2013 and January 2014 see the page dedicated
Research School CIMPA, «Algebra, Combinatorics and Physics»,
Valaparaiso, Chile, January 21-31 2014
4 lectures on heaps of pieces in physics, see the page dedicated
Tamari, m-Tamari, (a,b)-Tamari and beyond
Oberwolfach, Germany, 6 March 2014
slides (pdf 13,2 Mo)
Couplages dans les graphes
Journées jeunes chercheurs, Université de Pau, 27 mars 2014
pour les lycéens de Saint-Jean Pied de Port
slides (pdf 13,9 Mo) video
Pavages, formules magiques et preuves sans mots
Journée des Kangourous IHP, Paris, 31 Mai 2014
(avec G.Duchamp au violon)
diaporama (pdf, 14,7 Mo)
Heaps of pieces and 2D Lorentzian gravity
Workshop on «2D-Quantum Gravity and Statistical Mechanics», June 16-20, 2014
Erwin Schrödinger Institute for Mathematical Physics (ESI), Wien, Austria
slides (pdf 23,9 Mo)
Rencontre avec un chercheur
Lycée français de Vienne, 6 Juin 2014
slides (pdf 39,6 Mo)
«Des arbres dans les étoiles, des arbres dans les grains de lumière»
Conférence-spectacle grand public, 17 Juin 2014
au salon rouge de l’Institut Français à Vienne, Autriche
avec C. Krattenthaler (piano), G.Duchamp (violon), M. Pig Lagos (textes et poèmes)
slides (pdf, 70,9 Mo)
At the crossroad of algebra, combinatorics, physics and probabilities: tableaux and exclusion model
Mathematisches Kolloquium, Universität Wien, Austria, 18 June 2014
slides (14,5 Mo)
Courses at IIT Madras, India
«Combinatorics and Physics» 14 January-9 March 2015, 24 hours
see the dedicated page on the website «courses»
Trees in various sciences,
conference at Amrita Vishwa Vidyapeetham (Amrita University), Amritapuri, Kerala, India, 6 February 2015
The birth of a new domain: combinatorial physics,
colloquium IMSc (Institute of Mathematical Sciences), Chennai, India, 12 February 2015 slides (pdf, 46 Mo) video
Mathematics in other sciences,
conference at Amrita Vishwa Vidyapeetham (Amrita University), Coimbatore, India, 13 February 2015 slides: see the page video (coming)
Trees in various sciences,
conference at IISER (Indian Institute of Science Education and Research), Pune, India, 17 February 2015, slides (pdf, 84 Mo )
Tamari lattice and its extensions (1) and (2)
two seminars, IMSc (Institute of Mathematical Sciences), Chennai, India, 24 February and 3 March 2015 slides_(1) (pdf, 19,8 Mo, 68p. )
slides_(2) (pdf, 32 Mo, 121p.)
Tamari lattice and its extensions
seminar, CMI (Chennai Mathematical Insitute), Chennai, India, 5 March 2015
slides (coming)
Tamari lattice and its extensions
seminar, IIT Bombay, Mumbai, India, 20 March 2015
slides (coming)
The birth of a new domain: combinatorial physics,
seminar TIFR (Tata Institute of Fundamental Research), Mumbai, India,
23 March 2015 slides (coming)
FPSAC 2015, Daejeon, South Korea, «An extension of Tamari lattices»
(with Louis-François Préville-Ratelle) 6 July 2015
slides (pdf, 27,6 Mo)
GT Combinatoire LaBRI, Université Bordeaux, «Rhombic alternative tableaux for the 2-species PASEP», 20 November 2015, Bordeaux
slides (pdf, 7,3 Mo)
GT Combinatoire LaBRI, Université Bordeaux, «Bijections for rhombic alternative tableaux» , 27 November 2015, Bordeaux
slides (pdf, 10,5 Mo)
The magic of Young tableaux
23 December 2015, Amrita University, Amritapuri, Kerala, India
slides ( pdf, 33,5 Mo)
11 January 2016, IIT Madras, Chennai, India
At the crossroad of algebra, combinatorics and physics: the 2-PASEP
16 January 2016, Indo-french conference, IMSc, Chennai, India
slides first part (pdf, 25 Mo ) second part (pdf, 19Mo )
The magic of Young tableaux
8 February 2016, S.S.Pilai Endowment Lecture, Ramanujan Institute, Madras University, Chennai, India slides (pdf, 29 Mo )
From a letter of Leonhard Euler to modern researches at the crossroad of algebra, geometry, combinatorics and physics,
24 February 2016, K. Madhava Sarma Memorial Distinguished Lecture, Chennai Mathematical Institute (CMI), Chennai, India slides (pdf, 43 Mo)
Tableaux alternatifs rhomboïdaux, assemblées de permutations et le PASEP, 2 exposés au LACIM, UQAM, Montréal, 29 Juin 2016.
slides (in english) first part (pdf, 37 Mo) second part (pdf, 30 Mo)
FPSAC 2016, Rhombic alternative tableaux, assemblées of permutations and the ASEP, (with Olya Mandelshtam), Vancouver, July 2016 pdf
complete list of talks and conferences (1972-2008)
Forme des permutations, chemins et profil des arbres binaires
52ème SLC, LascouxFest, Domaine Saint Jacques, Otrott, Mars 2004,
slides (pdf 11,7 Mo)
