Abstract
With the help of points of an algebraic curve we construct prolongations and triangular models of commuting operators in Hilbert space. A canonical triangular model of two arbitrary commuting operators in a finite dimensional space is obtained.
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Livšic, M.S. A method for constructing triangular canonical models of commuting operators based on connections with algebraic curves. Integr equ oper theory 3, 489–507 (1980). https://doi.org/10.1007/BF01702312
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DOI: https://doi.org/10.1007/BF01702312