Summary
Theorems which give sufficient conditions for various kinds of qualitative behaviours of flows defined by ordinary differential equations are proved. These theorems are based upon suitable properties of non continuous real-valued functions and their lower-right-hand-side Dini derivatives along the trajectories of the system.
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Entrata in Redazione il 10 febbraio 1969.
Lavoro eseguito nell'ambito del Gruppo N. 11 del C. N. R.
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Szegö, G.P., Treccani, G. Non continuous liapunov functions. Annali di Matematica 82, 1–15 (1969). https://doi.org/10.1007/BF02410783
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DOI: https://doi.org/10.1007/BF02410783