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math.GR2013
On Belk's classifying space for Thompson's group F
Lucas Sabalka, Matthew C. B. Zaremsky
The space of configurations of n ordered points in the plane serves as a classifying space for the pure braid group PB_n. Elements of Thompson's group F admit a model similar to br…
math.GR2013★ 2 cited
A free subgroup in the image of the 4-strand Burau representation
Stefan Witzel, Matthew C. B. Zaremsky
It is known that the Burau representation of the 4-strand braid group is faithful if and only if certain matrices f and k generate a (non-abelian) free group. Regarding f and k as…