193 citations · 390 across the 9 of their papers we have counts for
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math.OC2012★ 26 cited
Convexity of reachable sets of nonlinear ordinary differential equations
Gunther Reißig
We present a necessary and sufficient condition for the reachable set, i.e., the set of states reachable from a ball of initial states at some time, of an ordinary differential equ…
math.MG2012★ 19 cited
Local characterization of strongly convex sets
Alexander Weber, Gunther Reißig
Strongly convex sets in Hilbert spaces are characterized by local properties. One quantity which is used for this purpose is a generalization of the modulus of convexity δ_Ωof a se…