English edit

Alternative forms edit

Etymology edit

From the last names of Vadym Adamyan, Damir Arov and Mark Krein, who developed the theory.

Proper noun edit

AAK theory

  1. (mathematics) A study of infinite Hankel matrices and associated approximation problems.
    • 1997, Charles K. Chui, Guanrong Chen, Discrete H∞ Optimization, Springer Science+Business Media, →ISBN, page 169:
      We remark, however, that one of the main contributions of the AAK theory is that an explicit closed-form solution to the problem is formulated.