Pages that link to "Item:Q861753"

The following pages link to Hypoellipticity of a second order operator with a principal symbol changing sign across a smooth hypersurface (Q861753):

Displaying 5 items.

• Hypoellipticity of second order operators in \(\mathbb{R}^ 2\) of the form \(fX^ 2+Y+g\) (Q1356385) (← links)
• Local solvability of a class of degenerate second order operators (Q2810606) (← links)
• On the Solvability of a Class of Second Order Degenerate Operators (Q3295288) (← links)
• Local Solvability of a Class of Degenerate Second Order Operators (Q5214987) (← links)
• On the Solvability of Certain Degenerate Partial Differential Operators (Q5275996) (← links)