Pages that link to "Item:Q1102439"

The following pages link to A criterion for hypoellipticity of second order differential operators (Q1102439):

Displaying 23 items.

• The strong maximum principle and the Harnack inequality for a class of hypoelliptic non-Hörmander operators (Q332191) (← links)
• Propagation of holomorphic extendibility and non-hypoellipticity of the \(\bar \partial\)-Neumann problem in an exponentially degenerate boundary (Q436134) (← links)
• A necessary condition for the hypoellipticity of second-order equations with alternating characteristic form (Q798505) (← links)
• Regularity of a class of subLaplacians on the 3-dimensional torus (Q860793) (← links)
• Hypoellipticity of a second order operator with a principal symbol changing sign across a smooth hypersurface (Q861753) (← links)
• Lower bounds of Dirichlet eigenvalues for some degenerate elliptic operators (Q889731) (← links)
• On a criterion for hypoellipticity (Q1078751) (← links)
• Hypoellipticity of a second-order differential operator (Q1088054) (← links)
• Criteria for hypoellipticity of differential operators (Q1107013) (← links)
• The uncertainty principle and hypoelliptic operators (Q1111765) (← links)
• On hypoellipticity of the operator \(\exp[-|x_1|^{-\sigma}]D_1^2+x_1^4D_2^2+1\) (Q1607967) (← links)
• Multiplicity and regularity of solutions for infinitely degenerate elliptic equations with a free perturbation (Q1756293) (← links)
• Global existence and blow-up of solutions for infinitely degenerate semilinear pseudo-parabolic equations with logarithmic nonlinearity (Q1757448) (← links)
• Asymptotic behavior and blow-up of solutions for infinitely degenerate semilinear parabolic equations with logarithmic nonlinearity (Q1799159) (← links)
• Global existence and non-existence analyses for a semilinear edge degenerate parabolic equation with singular potential term (Q2062044) (← links)
• Hypoellipticity of certain infinitely degenerate second order operators (Q2258940) (← links)
• Hypoellipticity of Fediĭ's type operators under Morimoto's logarithmic condition (Q2328216) (← links)
• Global analytic, Gevrey and C∞ hypoellipticity on the 3-torus (Q3118978) (← links)
• (Q3485278) (← links)
• Hypoellipticity of a second-order differential operator with quadratic form of variable sign (Q3778342) (← links)
• The Boltzmann equation without angular cutoff (Q4568285) (← links)
• Large sets at infinity and Maximum Principle on unbounded domains for a class of sub-elliptic operators (Q5107101) (← links)
• On hypoellipticity for a class of pseudo-differential operators (Q5939525) (← links)