Finiteness of minimal modular symbols for SL(n)

Finiteness of minimal modular symbols for SL(n) Title: Finiteness of minimal modular symbols for SL(n)
Author: Paul E. Gunnells

Math Subject Class: 11F75
Comments: 6 pages, 1 figure, AMS-LaTeX, uses psfrag.sty

Abstract: Let K be a number field with ring of integers O, and let G be a finite-index subgroup of SL(n,O). Using a classical construction from the geometry of numbers and the theory of modular symbols, we exhibit a finite spanning set for the highest nonvanishing rational cohomology group of G.

BibTeX

@misc{math.NT/9809166,
    title = {Finiteness of minimal modular symbols for SL(n)},
    author = {Paul E. Gunnells},
    eprint = {math.NT/9809166}}