Rigidity property of diagram groups
classification
🧮 math.GR
math.AT
keywords
complexcontainscopydiagramduncegroupclassicalconnection
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We show a rigid connection between two classical objects: the R.Thompson group F and the Dunce hat. A diagram group of a directed 2-complex contains a copy of F if and only if the complex contains a copy of the Dunce hat.
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