Integrality of cocompact
lattices in
complex hyperbolic two space
Professor
Sai-Kee Yeung
Purdue University,
USA
Abstract
Since
it is known that there are non-arithmetic lattices in complex two balls, it is
reasonable to ask if there is some weaker notion of arithmeticity
to characterize all such lattices. We would show that integrality is the right
notion and prove that all cocompact lattices are
integral.
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Date: |
August 8, 2005 (Monday) |
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Time: |
3:00 – 4:00pm |
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Place: |
Room 517, Meng Wah Complex |
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All are welcome |