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most citedAbout Goto's method showing surjectivity of word maps

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math.GR2013

On the length of the shortest non-trivial element in the derived and the lower central series

Abdelrhman Elkasapy, Andreas Thom

We provide upper and lower bounds on the length of the shortest non-trivial element in the derived series and lower central series in the free group on two generators. The techniqu…