A note on the finiteness of certain cuspidal divisor class groups

Authors
Gekeler, EU
Citation
Eu. Gekeler, A note on the finiteness of certain cuspidal divisor class groups, ISR J MATH, 118, 2000, pp. 357-368
Citations number
12
Categorie Soggetti
Mathematics
Journal title
ISRAEL JOURNAL OF MATHEMATICS
ISSN journal
00212172 → ACNP
Volume
118
Year of publication
2000
Pages
357 - 368
Database
ISI
SICI code
0021-2172(2000)118:<357:ANOTFO>2.0.ZU;2-T
Abstract
We prove the finiteness of the subgroup of the Jacobian generated by the cu sps of a Drinfeld modular curve. This is an analogue in positive characteri stic of a classical result of Drinfeld and Manin about elliptic modular cur ves, and generalizes earlier work on special cases.