35XX 


Partial differential equations 

35Jxx 

Partial differential equations of elliptic type [See also 58J10, 58J20] 


35J05 
Laplace equation, reduced wave equation (Helmholtz), Poisson equation [See also 31Axx, 31Bxx] 


35J10 
SchrÃ¶dinger operator [See also 35Pxx] 


35J15 
General theory of secondorder, elliptic equations 


35J20 
Variational methods for secondorder, elliptic equations 


35J25 
Boundary value problems for secondorder, elliptic equations 


35J30 
General theory of higherorder, elliptic equations [See also 31A30, 31B30] 


35J35 
Variational methods for higherorder, elliptic equations 


35J40 
Boundary value problems for higherorder, elliptic equations 


35J45 
General theory of elliptic systems of PDE 


35J50 
Variational methods for elliptic systems 


35J55 
Boundary value problems for elliptic systems 


35J60 
Nonlinear PDE of elliptic type 


35J65 
Nonlinear boundary value problems for linear elliptic PDE; boundary value problems for nonlinear elliptic PDE 


35J67 
Boundary values of solutions to elliptic PDE 


35J70 
Elliptic partial differential equations of degenerate type 


35J85 
Unilateral problems and variational inequalities for elliptic PDE [See also 35R35, 49J40] 


35J99 
None of the above, but in this section 