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Timeline for Willis theory for discrete groups?

Current License: CC BY-SA 4.0

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Apr 28, 2023 at 17:57 answer added Colin Reid timeline score: 2
Jul 13, 2022 at 12:50 comment added Yemon Choi To flesh out @YCor's comment: Willis's constructions involve looking at compact open subgroups, specifically those which form a base of neighbourhoods for the identity element. Now every discrete group has a rather well-behaved compact open subgroup which is a very good local approximation to the identity element ...
Jul 13, 2022 at 8:37 comment added YCor Have you tried to specify these notions to discrete groups? the answer is pretty clear... (yes, they are well-defined for discrete groups, all the theory applies, not just "in principle").
S Jul 13, 2022 at 5:48 review First questions
Jul 13, 2022 at 9:13
S Jul 13, 2022 at 5:48 history asked Tom Hase CC BY-SA 4.0