We prove periodicity for mod p Mumford–Morita–Miller classes of surface symmetries and thereby for nite subgroups of mapping class groups. As an application, we obtain a couple of vanishing results for mod Mumford–Morita–Miller classes for surface symmetries.
Cite this article
Toshiyuki Akita, Periodicity for Mumford–Morita–Miller Classes of Surface Symmetries. Publ. Res. Inst. Math. Sci. 47 (2011), no. 4, pp. 897–909DOI 10.2977/PRIMS/55