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A necessary condition for the hypoellipticity of second-order equations with alternating characteristic form

✍ Scribed by Ha T'en Ngoan


Book ID
112479931
Publisher
Springer
Year
1984
Tongue
English
Weight
496 KB
Volume
35
Category
Article
ISSN
0041-5995

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Necessary and Sufficient Conditions for
✍ A.H. Nasr πŸ“‚ Article πŸ“… 1997 πŸ› Elsevier Science 🌐 English βš– 150 KB

For a special class of the external force g t and nonnegative potential a t , we give necessary and sufficient conditions for the oscillation of all solutions of a nonlinear second order forced differential equation with delayed argument of Ε½ .