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A Generalization of Hörmander's Inequality-I |
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| Authors: | Cesare Parenti Alberto Parmeggiani |
| Institution: | Dipartimento Di Informatica, Dipartimento Di Matematica , Università Di Bologna , Bologna, 40127 |
| Abstract: | We give sufficient conditions to generalize Hörmander's inequality to the case of operators with multiple characteristics of order higher than two |
| Keywords: | Time-periodic solutions Hamilton–Jacobi equations |