Geodesic
Oscillation Properties of Weakly Time Dependent Hyperbolic Equations
Canadian mathematical bulletin, Tome 26 (1983) no. 3, pp. 368-373

Voir la notice de l'article provenant de la source Cambridge University Press

A Sturmian comparison theorem is established for a pair of linear hyperbolic differential equations. While the equations may be time dependent (in the sense of not allowing a separation of variables), a measure of the strength of such time dependence enters into the hypotheses of the theorem.
DOI : 10.4153/CMB-1983-063-2
Mots-clés : 35B05 
Kreith, Kurt. Oscillation Properties of Weakly Time Dependent Hyperbolic Equations. Canadian mathematical bulletin, Tome 26 (1983) no. 3, pp. 368-373. doi: 10.4153/CMB-1983-063-2
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