Art
J-GLOBAL ID:200902135049415472   Reference number:99A0447000

Remarks on ranks of Lie algebras associated with a second order partial differential operator and necessary conditions for hypoellipticity.

準楕円型性のために二階偏微分演算子と必要条件が結びついたリー代数のランクについての備考
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Material:
Volume: 34  Page: 1-12  Publication year: Mar. 30, 1999 
JST Material Number: S0439A  ISSN: 0919-5025  Document type: Article
Country of issue: Japan (JPN)  Language: ENGLISH (EN)
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