Groups with small Dehn functions and bipartite chord diagrams
classification
🧮 math.GR
math.GT
keywords
dehngroupsbipartitechorddiagramsfunctionssmallconjugacy
read the original abstract
We introduce a new invariant of bipartite chord diagrams and use it to construct the first examples of groups with Dehn function $n^2\log n$ and other small Dehn functions. Some of these groups have undecidable conjugacy problem.
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