... bi in P[k]j,i. the electronic journal of combinatorics 16 (2009), #R70 18A normalization formula for the Jack polynomials in superspace and an identity on partitionsLuc Lapointe∗Instituto ... where σj and ∂jare respectively the interchang e and divided difference operators on the variables aj and aj+1(see for instance [6]). The main step in this approach is to the electronic journal ... P[k],+j−1,i−1 The first equality comes from Lemma 12, the second by induction on i for ∆[k],+j,i−1 and by the induction hypothesis for ∆[k−1],+j−1,i−1. We then recognize P[k+1]j,i on the right hand...