Meanings
proper noun
alternative AAK-theory
- mathematicsA study of infinite Hankel matrices and associated approximation problems.
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.
1997, Charles K. Chui, Guanrong Chen, Discrete H∞ Optimization, Springer Science+Business Media, →ISBN, page 169
Origin
From the last names of Vadym Adamyan, Damir Arov and Mark Krein, who developed the theory.
Full word history & related roots →Cite this entry
APA
AAK theory. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/AAK%20theory
MLA
“AAK theory.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/AAK%20theory. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “AAK theory,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/AAK%20theory.
Source: AAK theory on Wiktionary, CC BY-SA 4.0.