Journal of Operator Theory
Volume 9, Issue 1, Winter 1983 pp. 107-142.
A Beurling-Lax theorem for the Lie group Um,n which contains most classical interpolation theoryAuthors: Joseph A. Ball 1 and J. William Helton 2
Author institution:1 Department of Mathematics, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, U.S.A.
2 Department of Mathematics, University of California at San Diego La Jolla, California 92093, U.S.A.
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