35XX 


Partial differential equations 

35Gxx 

General higherorder equations and systems 


35G05 
Linear higherorder equations 


35G10 
Initial value problems for linear higherorder equations 


35G15 
Boundary value problems for linear higherorder equations 


35G16 
Initialboundary value problems for linear higherorder equations 


35G20 
Nonlinear higherorder equations 


35G25 
Initial value problems for nonlinear higherorder equations 


35G30 
Boundary value problems for nonlinear higherorder equations 


35G31 
Initialboundary value problems for nonlinear higherorder equations 


35G35 
Linear higherorder systems 


35G40 
Initial value problems for linear higherorder systems 


35G45 
Boundary value problems for linear higherorder systems 


35G46 
Initialboundary value problems for linear higherorder systems 


35G50 
Nonlinear higherorder systems 


35G55 
Initial value problems for nonlinear higherorder systems 


35G60 
Boundary value problems for nonlinear higherorder systems 


35G61 
Initialboundary value problems for nonlinear higherorder systems 


35G99 
None of the above, but in this section 