The following publications are possibly variants of this publication:
- Generalized KYP lemma: unified frequency domain inequalities with design applicationsTetsuya Iwasaki, Shinji Hara. tac, 50(1):41-59, 2005. [doi]
- Generalizing the KYP lemma to the union of intervalsGoele Pipeleers, Tetsuya Iwasaki, Shinji Hara. eucc 2013: 3913-3918 [doi]
- Generalizing the KYP Lemma to Multiple Frequency IntervalsGoele Pipeleers, Tetsuya Iwasaki, Shinji Hara. siamco, 52(6):3618-3638, 2014. [doi]
- Sum-of-Squares Decomposition via Generalized KYP LemmaShinji Hara, Tetsuya Iwasaki. tac, 54(5):1025-1029, 2009. [doi]