Pages that link to "Item:Q3778342"
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The following pages link to Hypoellipticity of a second-order differential operator with quadratic form of variable sign (Q3778342):
Displaying 3 items.
- A necessary condition for the hypoellipticity of second-order equations with alternating characteristic form (Q798505) (← links)
- Hypoellipticity of a second order operator with a principal symbol changing sign across a smooth hypersurface (Q861753) (← links)
- Hypoellipticity of a second-order differential operator (Q1088054) (← links)