S. Nababan

发表

A Filippov-type lemma for functions involving delays and its application to time-delayed optimal control problems

S. Nababan, S. Nababan, 1979 .

Direct Gradient Descent Control and Sontag’s Formula on Asymptotic Stability of General Nonlinear Control System

I. Pranoto, R. Saragih, J. Naiborhu, 2005 .

Oscillation Criteria for Second Order Nonlinear Differential Equations

S. Nababan, 1997 .

Existence and uniqueness of weak solutions of the Cauchy problem for parabolic delay-differential equations

K. Teo, S. Nababan, 1980, Bulletin of the Australian Mathematical Society.

Necessary conditions for optimality of cauchy problems for parabolic partial delay-differential equations

K. Teo, S. Nababan, 1981 .

On the system governed by parabolic partial delay-differential equations with first boundary conditions

K. Teo, S. Nababan, 1979 .

Necessary conditions for optimal controls for systems governed by parabolic partial delay-differential equations in divergence form with first boundary conditions

K. Teo, S. Nababan, 1982 .

Oscillation criteria for a class of nonlinear vector delay-differential equations

S. Nababan, 1978 .

Oscillation criteria for second order nonlinear delay inequalities

S. Nababan, E. Noussair, 1976, Bulletin of the Australian Mathematical Society.

On the optimal control of delay differential systems

S. Nababan, 1978, Bulletin of the Australian Mathematical Society.

On the existence of optimal controls for quasilinear parabolic partial differential equations

S. Nababan, E. Noussair, Kok Lay Teo, 1981 .