scholarly journals Retraction: “Finite-time stability analysis of fractional differential systems with variable coefficients” [Chaos 29, 013110 (2019)]

2019 ◽  
Vol 29 (6) ◽  
pp. 069901
Author(s):  
Fengrong Zhang ◽  
Deliang Qian ◽  
Changpin Li









2020 ◽  
Vol 15 ◽  
pp. 25
Author(s):  
Ivan Gudoshnikov ◽  
Mikhail Kamenskii ◽  
Oleg Makarenkov ◽  
Natalia Voskovskaia

We offer a finite-time stability result for Moreau sweeping processes on the plane with periodically moving polyhedron. The result is used to establish the convergence of stress evolution of a simple network of elastoplastic springs to a unique cyclic response in just one cycle of the external displacement-controlled cyclic loading. The paper concludes with an example showing that smoothing the vertices of the polyhedron makes finite-time stability impossible.



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