The following pages link to (Q4386482):
Displaying 7 items.
- Lower bounds for systems with double characteristics. (Q698312) (← links)
- Hypoellipticity for a class of operators with multiple characteristics (Q926388) (← links)
- On the positive parts of second order symmetric pseudodifferential operators (Q1037196) (← links)
- An application of the almost-positivity of a class of fourth-order pseudodifferential operators (Q1361052) (← links)
- A problem of transversal anisotropic ellipticity (Q2568684) (← links)
- Necessary and sufficient conditions for the almost-positivity of certain 4th-order pseudodifferential operators. A generalization (Q4392526) (← links)
- On the Solvability of Certain Degenerate Partial Differential Operators (Q5275996) (← links)