A necessary condition for hypoellipticity of degenerate elliptic- parabolic operators
type: Item
instance of: scholarly article
title: A necessary condition for hypoellipticity of degenerate elliptic- parabolic operators
zbMATH Open document ID: 0429.35026
author: Kazuo Amano
published in: Tokyo Journal of Mathematics
publication date: 1979-01-01T00:00:00Z
Mathematics Subject Classification ID: 35H10
Mathematics Subject Classification ID: 35B37
Mathematics Subject Classification ID: 93B05
zbMATH DE Number: 3669131
zbMATH Keywords: degenerate elliptic-parabolic operators
zbMATH Keywords: hypoellipticity
zbMATH Keywords: controllability
zbMATH Keywords: differential operator
MaRDI profile type: Publication
full work available at URL: https://doi.org/10.3836/tjm/1270473562
OpenAlex ID: W2070091417
DOI: 10.3836/TJM/1270473562
description: scientific article; zbMATH DE number 3669131