5 citations · 6 across the 2 of their papers we have counts for
2 papers
math.FA2023★ 1 cited
Constructing Invariant Subspaces as Kernels of Commuting Matrices
Carl C. Cowen, William Johnston, Rebecca G. Wahl
Given an n by n matrix A over the complex numbers and an invariant subspace L, this paper gives a straightforward formula to construct an n by n matrix N that commutes with A and h…
math.CV2012★ 5 cited
Finite Blaschke Products as Compositions of Other Finite Blaschke Products
Carl C. Cowen
These notes answer the question "When can a finite Blaschke product be written as a composition of two finite Blaschke products and , that is, , in a…