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VOL. 25 | 1997 Prolongation Projection Commutativity Theorem
Jose M. Veloso

Editor(s) Takao Akahori, Gen Komatsu, Kimio Miyajima, Makoto Namba, Keizo Yamaguchi

Abstract

If the symbol $g_k$ of a SPDE $R_k$ is 2-acyclic, then the operations of prolongation and projection on $R_k$ commute \[ \rho^{k+l+2}_{k+l+1}((R_k)_{+l+2}) = \left(\rho^{k+l+1}_{k+l}((R_k)_{+l+1})\right)_{+1}.\] We apply this to study contact of three-dimensional CR-manifolds.

Information

Published: 1 January 1997
First available in Project Euclid: 15 August 2018

zbMATH: 0893.58060
MathSciNet: MR1476253

Digital Object Identifier: 10.2969/aspm/02510386

Rights: Copyright © 1997 Mathematical Society of Japan

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