Pseudodifferential operators of mixed type adapted to distributions of k-planes

Elias M. Stein, Po Lam Yung

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


We study the phenomena that arise when we combine the standard pseudodifferential operators with those operators that appear in the study of some subelliptic estimates, and on strongly pseudoconvex domains. The algebra of operators we introduce is geometrically invariant, and is adapted to a smooth distribution of tangent subspaces of constant rank. We isolate certain ideals in the algebra whose analysis is of particular interest.

Original languageEnglish
Pages (from-to)1183-1208
Number of pages26
JournalMathematical Research Letters
Issue number6
Publication statusPublished - 2013
Externally publishedYes


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