On the Existence and Uniqueness in Goursat Problems for Equations with Double CharacteristicsChinese Full Text
Zhang Peng;Li Wei Northwest University
Abstract: This paper is concerned with Goursat problems for partial differentialequations with double characteristics. We give the necessary and sufficient conditions forthe existence of some infinitely differentiable solutions. We also give the necessary andsufficient conditions for uniqueness of the solution in some classes of functions.
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(A) Mathematics/ Physics/ Mechanics/ Astronomy
- Subject：
Mathematics
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