57 citations · 84 across the 10 of their papers we have counts for
1 paper · 1 filter
Steven N. Evans, Tye Lidman
An acyclic mapping from an n element set into itself is a mapping ϕ such that if ϕk(x)=x for some k and x, then ϕ(x)=x. Equivalently, ϕℓ=ϕℓ+1=... f…