The eigenvalue and the stability of singular differential systems with delay are considered. Firstly we investigate some properties of the eigenvalue, then give the exact exponential estimation for the fundamental solution, and finally discuss the necessary and sufficient condition of uniform asymptotic stability. © 2004 Elsevier Inc. All rights reserved.
Wei, J. (2004). Eigenvalue and stability of singular differential delay systems. Journal of Mathematical Analysis and Applications, 297(1), 305–316. https://doi.org/10.1016/j.jmaa.2004.05.008