Pointwise degeneracy of linear, time-invariant, delay-differential equations

INTERPOLATION AND APPROXIMATION

J. L. B. Cooper · Journal of the London Mathematical Society · 1964 · 900 citations

Natural Sciences, Mathematics, Computational Geometry +10

Interpolation and Approximation.

Morris Newman, Philip J. Davis · American Mathematical Monthly · 1965 · 805 citations

On the Controllability of Delay-Differential Systems

Leonard Weiss · SIAM Journal on Control · 1967 · 118 citations · Full text

Natural Sciences, Mathematics, Differential Equations +12

Necessary and sufficient conditions of pointwise completeness of linear time-invariant delay-differential systems†

A.K. Choudhury · International Journal of Control · 1972 · 39 citations

Natural Sciences, Mathematics, Differential Equations +11