Hermitian matrices over polynomial rings

Hyperstability of Control Systems

V. M. Popov, M. R. Posehn · Journal of Dynamic Systems Measurement and Control · 1974 · 902 citations

Engineering, Systems Engineering, Complex Systems +10

Synthesis of Finite Passive n-Ports with Prescribed Positive Real Matrices of Several Variables

Tomohiro Koga · IEEE Transactions on Circuit Theory · 1968 · 91 citations

Engineering, Electrical Engineering, Mathematics +15

A note on biquadratic forms

A. P. Calderón · Linear Algebra and its Applications · 1973 · 27 citations

Natural Sciences, Mathematics, Algebra +9