Geodesic
On the Structure of Solutions to a Model System That Is Nonstrictly Hyperbolic in the Sense of Petrovskii
Informatics and Automation, Differential equations and dynamical systems, Tome 308 (2020), pp. 232-242 
V. V. Palin. On the Structure of Solutions to a Model System That Is Nonstrictly Hyperbolic in the Sense of Petrovskii. Informatics and Automation, Differential equations and dynamical systems, Tome 308 (2020), pp. 232-242. http://geodesic.mathdoc.fr/item/TRSPY_2020_308_a16/
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     author = {V. V. Palin},
     title = {On the {Structure} of {Solutions} to a {Model} {System} {That} {Is} {Nonstrictly} {Hyperbolic} in the {Sense} of {Petrovskii}},
     journal = {Informatics and Automation},
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     year = {2020},
     volume = {308},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2020_308_a16/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

We construct solutions to the Cauchy problem for a model system that is not hyperbolic in the sense of Friedrichs. To this end, we apply a new geometric method for constructing solutions to the Riemann problem.

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