Calculus on Heisenberg Manifolds

By Richard Beals and Peter Greiner

Book Overview

A classic treatment of the hypoelliptic calculus on Heisenberg Manifolds

The classical pseudodifferential calculus is well adapted to detailed study of elliptic operators such as the Laplacian associated to the De Rham complex. This book develops a full asymptotic calculus adapted to certain second order operators which are hypoelliptic but not elliptic. The motivating example is the operator _b associated to the d_b-complex on a CR-manifold. Like the Laplacian, _b is a natural operator of intrinsic interest, a prototype of a general class, and a test case. Principal terms of parametrices and other operators associated to _b are calculated on both the symbol side and the kernel side. It is hoped that this viewpoint on pseudodifferential operators will be fruitful in attacking other nonelliptic problems, including more degenerate cases of _b.

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• Format: Paperback
• Language: English
• ISBN: 0691085013
• ISBN13: 9780691085012
• Release Date: August 1988
• Publisher: Princeton University Press
• Length: 208 Pages
• Weight: 0.76 lbs.
• Dimensions: 0.5" x 5.9" x 9.1"