Open AccessA simple proof of the existence of tangent bicharacteristics for noneffectively hyperbolic operators
Author(s) -
Tatsuo Nishitani
Publication year - 2015
Publication title -
kyoto journal of mathematics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.953
H-Index - 32
eISSN - 2154-3321
pISSN - 2156-2261
DOI - 10.1215/21562261-2871758
Subject(s) - mathematics , simple (philosophy) , vector field , pure mathematics , tangent , mathematical analysis , operator (biology) , differential operator , manifold (fluid mechanics) , hyperbolic manifold , field (mathematics) , order (exchange) , hyperbolic function , geometry , mechanical engineering , philosophy , biochemistry , chemistry , epistemology , repressor , finance , transcription factor , engineering , economics , gene