Factorization of Block Triangular Matrix Functions with Off-diagonal Binomials
Factorization of Block Triangular Matrix Functions with Off-diagonal Binomials
Factorizations of Wiener-Hopf type are considered in the abstract framework of Wiener algebras of matrix-valued functions on connected compact abelian groups, with a non-archimedean linear order on the dual group. A criterion for factorizability is established for 2 × 2 block triangular matrix functions with elementary functions on the main …