R609, Astronomy-Mathematics Building, NTU
(台灣大學天文數學館 609室)
Supersingular Abelian Surfaces and Polarization
Tomoyoshi Ibukiyama (Osaka University)
Abstract:
After giving a general introduction for quaternion hermitian forms and supersingular abelian varieties, we consider supersingular abelian surfaces
![](https://chart.googleapis.com/chart?cht=tx&chl=%24A%24%20&chf=bg,s,333333&chco=ffffff)
which are not superspecial. We give a certain mass formula, and as an application we give a number of isomorphism classes of principal polarization in certain cases