The 1/k-Eulerian polynomials and k-Stirling permutations
  In this paper, we establish a connection between the 1/k-Eulerian polynomials introduced by Savage and Viswanathan (Electron. J. Combin. 19(2012), P9) and k-Stirling permutations. We also introduce the dual set of Stirling permutations. 
Shi-Mei Ma, Toufik Mansour
math.CO