35XX 


Partial differential equations 

35Lxx 

Hyperbolic equations and systems [See also 58J45] 


35L02 
Firstorder hyperbolic equations 


35L03 
Initial value problems for firstorder hyperbolic equations 


35L04 
Initialboundary value problems for firstorder hyperbolic equations 


35L05 
Wave equation 


35L10 
Secondorder hyperbolic equations 


35L15 
Initial value problems for secondorder hyperbolic equations 


35L20 
Initialboundary value problems for secondorder hyperbolic equations 


35L25 
Higherorder hyperbolic equations 


35L30 
Initial value problems for higherorder hyperbolic equations 


35L35 
Initialboundary value problems for higherorder hyperbolic equations 


35L40 
Firstorder hyperbolic systems 


35L45 
Initial value problems for firstorder hyperbolic systems 


35L50 
Initialboundary value problems for firstorder hyperbolic systems 


35L51 
Secondorder hyperbolic systems 


35L52 
Initial value problems for secondorder hyperbolic systems 


35L53 
Initialboundary value problems for secondorder hyperbolic systems 


35L55 
Higherorder hyperbolic systems 


35L56 
Initial value problems for higherorder hyperbolic systems 


35L57 
Initialboundary value problems for higherorder hyperbolic systems 


35L60 
Nonlinear firstorder hyperbolic equations 


35L65 
Conservation laws 


35L67 
Shocks and singularities [See also 58Kxx, 76L05] 


35L70 
Nonlinear secondorder hyperbolic equations 


35L71 
Semilinear secondorder hyperbolic equations 


35L72 
Quasilinear secondorder hyperbolic equations 


35L75 
Nonlinear higherorder hyperbolic equations 


35L76 
Semilinear higherorder hyperbolic equations 


35L77 
Quasilinear higherorder hyperbolic equations 


35L80 
Degenerate hyperbolic equations 


35L81 
Singular hyperbolic equations 


35L82 
Pseudohyperbolic equations 


35L85 
Linear hyperbolic unilateral problems and linear hyperbolic variational inequalities [See also 35R35, 49J40] 


35L86 
Nonlinear hyperbolic unilateral problems and nonlinear hyperbolic variational inequalities [See also 35R35, 49J40] 


35L87 
Unilateral problems and variational inequalities for hyperbolic systems [See also 35R35, 49J40] 


35L90 
Abstract hyperbolic equations 


35L99 
None of the above, but in this section 