35L57 Initial-boundary value problems for higher-order hyperbolic systems

35L60 Nonlinear first-order hyperbolic equations

35L67 Shocks and singularities [See also <a href="#code:58Kxx">58Kxx</a>, <a href="#code:76L05">76L05</a>]

35L70 Nonlinear second-order hyperbolic equations

35L71 Semilinear second-order hyperbolic equations

35L72 Quasilinear second-order hyperbolic equations

35L75 Nonlinear higher-order hyperbolic equations

35L76 Semilinear higher-order hyperbolic equations

35L77 Quasilinear higher-order hyperbolic equations

35L85 Linear hyperbolic unilateral problems and linear hyperbolic variational inequalities [See also <a href="#code:35R35">35R35</a>, <a href="#code:49J40">49J40</a>]

35L86 Nonlinear hyperbolic unilateral problems and nonlinear hyperbolic variational inequalities [See also <a href="#code:35R35">35R35</a>, <a href="#code:49J40">49J40</a>]

35L87 Unilateral problems and variational inequalities for hyperbolic systems  [See also <a href="#code:35R35">35R35</a>, <a href="#code:49J40">49J40</a>]

35L99 None of the above, but in this section

35Mxx Equations and systems of special type (mixed, composite, etc.)

35M11 Initial value problems for equations of mixed type

35M12 Boundary value problems for equations of mixed type

35M13 Initial-boundary value problems for equations of mixed type

35M31 Initial value problems for systems of mixed type

35M32 Boundary value problems for systems of mixed type

35M33 Initial-boundary value problems for systems of mixed type

35M85 Linear unilateral problems and variational inequalities of mixed type [See also <a href="#code:35R35">35R35</a>, <a href="#code:49J40">49J40</a>]

35M86 Nonlinear unilateral problems and nonlinear variational inequalities of mixed type [See also <a href="#code:35R35">35R35</a>, <a href="#code:49J40">49J40</a>]

35M87 Systems of variational inequalities of mixed type [See also <a href="#code:35R35">35R35</a>, <a href="#code:49J40">49J40</a>]

35M99 None of the above, but in this section

35Nxx Overdetermined systems [See also <a href="#code:58Hxx">58Hxx</a>, <a href="#code:58J10">58J10</a>, <a href="#code:58J15">58J15</a>]