A data version of the Gauss-Markov theorem and its application to adaptive subspace splitting. - Louis L. Scharf; John K. Thomas (ICASSP, 1995)

The probability of a subspace swap in the SVD. - John K. Thomas; Louis L. Scharf; Donald W. Tufts (IEEE Trans. Signal Process., 1995)

Canonical correlations and canonical time series. - John K. Thomas; Louis L. Scharf (ICASSP, 1996)

Wiener filters in canonical coordinates for transform coding, filtering, and quantizing. - Louis L. Scharf; John K. Thomas (IEEE Trans. Signal Process., 1998)

Canonical Coordinates are the Right Coordinates for Low-Rank Gauss-Gauss Detection and Estimation. - Ali Pezeshki; Louis L. Scharf; John K. Thomas; Barry D. Van Veen (IEEE Trans. Signal Process., 2006)