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math.SP2009
Equivalence classes of block Jacobi matrices
Rostyslav Kozhan
The paper contains two results on the equivalence classes of block Jacobi matrices: first, that the Jacobi matrix of type 2 in the Nevai class has A_n coefficients converging to 1,…
math.SP2009★ 5 cited
Szego asymptotics for matrix-valued measures with countably many bound states
Rostyslav Kozhan
Let be a matrix-valued measure with the essential spectrum a single interval and countably many point masses outside of it. Under the assumption that the absolutely continuous…