Stefan Witzel

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Name	Stefan Witzel
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Rock-paper-scissors…

co.combinatorics graph-theory classification

apr 11 12 at 8:15 Stefan Witzel 251●1●5

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Fundamental Examples

Properly Discontinuous Action

Is this the CAT(0) metric on an affine building?

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soft-question
riemann-surfaces
mg.metric-geometry
ho.history-overview
group-actions
graph-theory
gn.general-topology
examples
co.combinatorics
classification

buildings
big-picture
big-list
at.algebraic-topology

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