Necessary stability conditions for linear systems with multiple pointwise and distributed delays are presented. New properties that connect the Lyapunov delay matrix and the fundamental matrix of these systems are instrumental in proving that these conditions depend exclusively on the Lyapunov delay matrix. The result is illustrated by some examples.
['Carlos Cuvas', 'Sabine Mondié']
Necessary Stability Conditions for Delay Systems With Multiple Pointwise and Distributed Delays