%0 Journal Article %T The Schaper Formula and the Lascoux, Leclerc and Thibon-algorithm %A Steen Ryom-Hansen %J Mathematics %D 2003 %I arXiv %X We deduce the Schaper formula for Hecke-algebras at root of unity from the Jantzen conjecture in the LLT-setup. This explains an observation due to R. Rouquier. %U http://arxiv.org/abs/math/0301283v1