2 citations · 2 across the 1 of their papers we have counts for
2 papers
math.GR2013★ 2 cited
Rank gradient and p-gradient of amalgamated free products and HNN extensions
Nathaniel Pappas
We calculate the rank gradient and p-gradient of free products, free products with amalgamation over an amenable subgroup, and HNN extensions with an amenable associated subgroup.…
math.GR2012
Arbitrary p-Gradient Values
Nathaniel Pappas
For any prime number p and any positive real number α, we construct a finitely generated group Γ with p-gradient equal to α. This construction is used to show that there exist unco…