R. Liu

Normal Form and Stability of a Class of Coupled Nonlinear Networks

Pravin Varaiya, P. Varaiya, R. Liu, 1966 .

A necessary and sufficient condition for feedback stabilization in a factorial ring

Vijay Raman, R. Liu, 1984 .

Bounded-input bounded-output stability of nonlinear time-varying differential systems.

Pravin Varaiya, P. Varaiya, R. Liu, 1966 .

Stabilization of chaos-an algebraic theory

V. Raman, R. Liu, 1988, 1988., IEEE International Symposium on Circuits and Systems.

Linearity vs. Nonlinearity and Asymptotic Stability in the Large

C. Desoer, R. Liu, L. Auth, 1965 .

A necessary and sufficient condition for stability of a perturbed system

R. Liu, Qiu Huang, 1987 .