%0 Journal Article %T Noncommutative symmetric functions and quasi-symmetric functions with two and more paramters %A F. Hivert %A A. Lascoux %A J. -Y. Thibon %J Mathematics %D 2001 %I arXiv %X We define two-parameter families of noncommutative symmetric functions and quasi-symmetric functions, which appear to be the proper analogues of the Macdonald symmetric functions in these settings. %U http://arxiv.org/abs/math/0106191v1