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Weak formulations of linear differential-algebraic systems

Kunkel, Peter; Mehrmann, Volker; Schmidt, Michael; Seufer, Ingo; Steinbrecher, Andreas

Preprint-Reihe des Instituts für Mathematik, Technische Universität Berlin

We discuss different weak formulations for systems of linear differential-algebraic equations with variable coefficients. These weak formulations include systems with factored or properly stated leading term, strangeness-free system, a distributional formulation and a weak formulation in terms of Sobolev spaces.