Stabilization of adaptive eigenvector extraction by continuation in nested orthogonal complement structure. - Kenji Kakimoto; Daichi Kitahara; Masao Yamagishi; Isao Yamada (ICASSP, 2016)

Acceleration of Adaptive normalized quasi-Newton algorithm with improved upper bounds of the condition number. - Kenji Kakimoto; Masao Yamagishi; Isao Yamada (ICASSP, 2017)

Smoothing of adaptive eigenvector extraction in nested orthogonal complement structure with minimum disturbance principle. - Kenji Kakimoto; Masao Yamagishi; Isao Yamada (Multidimens. Syst. Signal Process., 2018)