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Results tagged with trees
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user 163850
A tree is a connected graph without cycles, with a finite or infinite number of vertices. There are many variants of trees, according to further constraints or decorations.
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In what sense is Bass-Serre theory the one-dimensional version of orbifold theory
The Wikipedia article on Bass-Serre theory claims that graphs of groups (in the context of Bass-Serre theory) "can be viewed as one dimensional versions of orbifolds." I hazily see a connection betwee …
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