This study screened large cohorts of node-positive and node-negative breast cancer patients to determine whether the G388R mutation of the FGFR4 gene is a useful prognostic marker for breast cancer as reported by Bange et al in 2002. Node-positive (n=139) and node-negative (n=95) breast cancer cohorts selected for mutation screening were followed up for… (More)
We study balancedness properties of words given by the Arnoux-Rauzy and Brun multi-dimensional continued fraction algorithms. We show that almost all Brun words on 3 letters and Arnoux-Rauzy words over arbitrary alphabets are finitely balanced; in particular, bound-edness of the strong partial quotients implies balancedness. On the other hand, we provide… (More)
We introduce specular sets. These are subsets of groups which form a natural generalization of free groups. These sets of words are an abstract generalization of the natural codings of interval exchanges and of linear involutions. We consider two important families of sets contained in specular sets: sets of return words and maximal bifix codes. For both… (More)
Nous construisons des solutions bornées auxéquations intégrales λx 0 f (t) dt = f (x) − f (0) o` u λ ≥ 2 est un entier. Cette construction s'appuie sur une méthode originale de limite de sommes de Birkhoff itérées.