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1 paper

math.FA2013

Abrahamse's Theorem for matrix-valued symbols and subnormal Toeplitz completions

Raul E. Curto, In Sung Hwang, Woo Young Lee

This paper deals with subnormality of Toeplitz operators with matrix-valued symbols and, in particular, with an appropriate reformulation of Halmos's Problem 5: Which subnormal Toe…