Multiplicative Algorithm for Orthgonal Groups and Independent Component Analysis - Toshinao Akuzawa (CoRR, 2000)

Multiplicative Nonholonomic/Newton -like Algorithm - Toshinao Akuzawa; Noboru Murata (CoRR, 2000)

Nested Newton's method for ICA and post factor analysis. - Toshinao Akuzawa (IEEE Trans. Signal Process., 2003)