subdivision

Is there a `barycentric' subdivision operator Sd on categories such that with N = nerve SdN = NSd ? and how many other notions of Sd are there? jim Jim Stasheff jds@math.upenn.edu Home page: www.math.unc.edu/Faculty/jds As of July 1, 2002, I am Professor Emeritus at UNC and I will be visiting U Penn but for hard copy the relevant address is: 146 Woodland Dr Lansdale PA 19446 (215)822-6707