대한수학회보 (Bulletin of the Korean Mathematical Society)
- 제21권2호
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- Pages.95-97
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- 1984
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- 1015-8634(pISSN)
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- 2234-3016(eISSN)
GLOBAL CONSTANCY PRINCIPLE FOR MIZOHATA OPERATORS
초록
In [1] L. Nirenberg constructed a famous example of a smooth vector field which have only the constant functions as solutions in an open subset of the plane. Explanations of this phenomenon have been proposed in Treves [3] and Sjostrand [2]. The explanation in [3] is related to the following so-called "local constancy principle".ple".uot;.
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