81 citations · 383 across the 34 of their papers we have counts for
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math.GR2012★ 11 cited
Stallings Graphs, Algebraic Extensions and Primitive Elements in F2
Ori Parzanchevski, Doron Puder
This paper studies the free group of rank two from the point of view of Stallings core graphs. The first half of the paper examines primitive elements in this group, giving new and…
math.GR2012★ 68 cited
Measure Preserving Words are Primitive
Doron Puder, Ori Parzanchevski
We establish new characterizations of primitive elements and free factors in free groups, which are based on the distributions they induce on finite groups. For every finite group…