## 35Jxx Elliptic equations and systems [See also 58J10, 58J20]

- 35J05 Laplacian operator, reduced wave equation (Helmholtz equation), Poisson equation [See also 31Axx, 31Bxx] (4)
- 35J08 Green`s functions
- 35J10 Schrödinger operator [See also 35Pxx]
- 35J15 Second-order elliptic equations
- 35J20 Variational methods for second-order elliptic equations (1)
- 35J25 Boundary value problems for second-order elliptic equations (5)
- 35J30 Higher-order elliptic equations [See also 31A30, 31B30]
- 35J35 Variational methods for higher-order elliptic equations
- 35J40 Boundary value problems for higher-order elliptic equations
- 35J46 First-order elliptic systems
- 35J47 Second-order elliptic systems
- 35J48 Higher-order elliptic systems
- 35J50 Variational methods for elliptic systems (1)
- 35J56 Boundary value problems for first-order elliptic systems
- 35J57 Boundary value problems for second-order elliptic systems
- 35J58 Boundary value problems for higher-order elliptic systems
- 35J60 Nonlinear elliptic equations (2)
- 35J61 Semilinear elliptic equations
- 35J62 Quasilinear elliptic equations
- 35J65 Nonlinear boundary value problems for linear elliptic equations
- 35J66 Nonlinear boundary value problems for nonlinear elliptic equations
- 35J67 Boundary values of solutions to elliptic equations
- 35J70 Degenerate elliptic equations (1)
- 35J75 Singular elliptic equations
- 35J86 Linear elliptic unilateral problems and linear elliptic variational inequalities [See also 35R35, 49J40]
- 35J87 Nonlinear elliptic unilateral problems and nonlinear elliptic variational inequalities [See also 35R35, 49J40]
- 35J88 Systems of elliptic variational inequalities [See also 35R35, 49J40]
- 35J91 Semilinear elliptic equations with Laplacian, bi-Laplacian or poly- Laplacian
- 35J92 Quasilinear elliptic equations with p-Laplacian
- 35J93 Quasilinear elliptic equations with mean curvature operator
- 35J96 Elliptic Monge-Ampère equations
- 35J99 None of the above, but in this section (1)