2 papers
math.NT2005
The canonical subgroup: a "subgroup-free" approach
Eyal Z. Goren, Payman L Kassaei
Beyond the crucial role they play in the foundations of the theory of overconvergent modular forms, canonical subgroups have found new applications to analytic continuation of over…
math.NT2004
A Gluing Lemma And Overconvergent Modular Forms
Payman L Kassaei
We prove a gluing lemma for sections of line bundles on a rigid analytic variety. We apply the lemma, in conjunction with a result of Buzzard's, to give a proof of (a generalizatio…