An extension of a Nevanlinna-Pick interpolation solver to cases including derivative constraints. - Anders Blomqvist; Ryozo Nagamune (CDC, 2002)

Computation of bounded degree Nevanlinna-Pick interpolants by solving nonlinear equations. - Anders Blomqvist; Giovanna Fanizza; Ryozo Nagamune (CDC, 2003)

Matrix-valued Nevanlinna-Pick interpolation with complexity constraint: an optimization approach. - Anders Blomqvist; Anders Lindquist; Ryozo Nagamune (IEEE Trans. Autom. Control., 2003)

On frequency weighting in autoregressive spectral estimation. - Anders Blomqvist; Bo Wahlberg (ICASSP (4), 2005)

Sensitivity shaping with degree constraint by nonlinear least-squares optimization. - Ryozo Nagamune; Anders Blomqvist (Autom., 2005)

Optimization-based computation of analytic interpolants of bounded complexity. - Anders Blomqvist; Ryozo Nagamune (Syst. Control. Lett., 2005)

On The Relation Between Weighted Frequency-Domain Maximum-Likelihood Power Spectral Estimation and the Prefiltered Covariance Extension Approach. - Anders Blomqvist; Bo Wahlberg (IEEE Trans. Signal Process., 2007)