Algebraic elimination of ϵ -transitions. Duchamp, Gérard H.E.; Kacem, Hatem Hadj; Laugerotte, Éric — 2005 Discrete Mathematics and Theoretical Computer Science. DMTCS [electronic only]
Free quasi-symmetric functions, product actions and quantum field theory of partitions. Duchamp, Gérard H.E.; Luque, Jean-Gabriel; Penson, Karol A.; Tollu, Christophe — 2005 Séminaire Lotharingien de Combinatoire [electronic only]