%0 Journal Article %T On the regularity of special difference divisors %A Ulrich Terstiege %J Mathematics %D 2012 %I arXiv %X In this note we prove that the difference divisors associated with special cycles on unitary Rapoport-Zink spaces of signature (1,n-1) in the unramified case are always regular. %U http://arxiv.org/abs/1209.1286v1