%0 Journal Article %T An expansion formula for the inversions and excedances in the symmetric group %A Jiang Zeng %J Mathematics %D 2012 %I arXiv %X We prove a recent conjecture of Blanco and Petersen (arXiv:1206.0803v2) about an expansion formula for inversions and excedances in the symmetric group. %U http://arxiv.org/abs/1206.3510v1