Positivity and Linear Matrix Inequalities. - Yvan Hachez; Yurii E. Nesterov; Radu Stefan (Eur. J. Control, 2002)

Optimization Problems over Positive Pseudopolynomial Matrices. - Yves V. Genin; Yvan Hachez; Yurii E. Nesterov; Paul Van Dooren (SIAM J. Matrix Anal. Appl., 2003)

Convex optimization over non-negative polynomials: structured algorithms and applications. - Yvan Hachez (2003)