Seminar series
Date
Mon, 04 May 2020
15:45
Location
Virtual
Speaker
Ian Agol
Organisation
UC Berkeley

Addressing a question of Baker and Reid,

we give a criterion to show that an arithmetic group 

has a congruence subgroup that is algebraically

fibered. Some examples to which the criterion applies

include a hyperbolic 4-manifold group containing infinitely

many Bianchi groups, and a complex hyperbolic surface group.

This is joint work with Matthew Stover.

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