193 citations · 390 across the 9 of their papers we have counts for
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math.OC2013★ 13 cited
Classical and strong convexity of sublevel sets and application to attainable sets of nonlinear systems
Alexander Weber, Gunther Reissig
Necessary and sufficient conditions for convexity and strong convexity, respectively, of sublevel sets that are defined by finitely many real-valued -maps are presented. A…
math.OC2013★ 51 cited
Strong Structural Controllability and Observability of Linear Time-Varying Systems
Gunther Reissig, Christoph Hartung, Ferdinand Svaricek
In this note we consider continuous-time systems x'(t) = A(t) x(t) + B(t) u(t), y(t) = C(t) x(t) + D(t) u(t), as well as discrete-time systems x(t+1) = A(t) x(t) + B(t) u(t), y(t)…