Du, Nguyen HuuLinh, Vu HoangMehrmann, Volker2021-12-172021-12-172012-10-242197-8085https://depositonce.tu-berlin.de/handle/11303/15733http://dx.doi.org/10.14279/depositonce-14506This paper presents a survey of recent results on the robust stability analysis and the distance to instability for linear time-invariant and time-varying differential-algebraic equations (DAEs). Different stability concepts such as exponential and asymptotic stability are studied and their robustness is analyzed under general as well as restricted sets of real or complex perturbations. Formulas for the distances are presented whenever these are available and the continuity of the distances in terms of the data is discussed. Some open problems and challenges are indicated.en510 Mathematikdifferential-algebraic equationrobust stabilitystability radiusspectrumspectral setrestricted perturbationResearch Paper