Browsing by Subject "Operator inversion"

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    • The discrete twofold Ellis–Gohberg inverse problem 

      Ter Horst, S.; Kaashoek, M.A.; Van Schagen, F. (Elsevier, 2017)
      In this paper a twofold inverse problem for orthogonal matrix functions in the Wiener class is considered. The scalar-valued version of this problem was solved by Ellis and Gohberg in 1992. Under reasonable conditions, the ...

    • The twofold Ellis-Gohberg inverse problem in an abstract setting and applications 

      Ter Horst, S.; Kaashoek, M.A.; Van Schagen, F. (Springer, 2019)
      In this paper we consider a twofold Ellis–Gohberg type inverse problem in an abstract *-algebraic setting. Under natural assumptions, necessary and sufficient conditions for the existence of a solution are obtained, and ...