Partial Differential Equations
- Ablowitz-Ramani-Segur Conjecture
- Adomian Polynomial
- Bäcklund Transformation
- Beltrami Differential Equation
- Benjamin-Bona-Mahony Equation
- Benney Equation
- Boomeron Equation
- Born-Infeld Equation
- Boundary Conditions
- Boundary Value Problem
- Boussinesq Equation
- Burgers' Equation
- Cahn-Hilliard Equation
- Calogero-Degasperis-Fokas Equation
- Carleman Equation
- Cauchy Conditions
- Cauchy-Kovalevskaya Theorem
- Caudrey-Dodd-Gibbon-Sawada-Kotera Equation
- Chaplygin's Equation
- Characteristic
- Davey-Stewartson Equations
- Differential Algebra
- Dirac Equation
- Dirichlet Boundary Conditions
- Dispersive Long-Wave Equation
- Drinfeld-Sokolov-Wilson Equation
- Einstein Field Equations
- Elliptic Partial Differential Equation
- Ernst Equation
- Euler-Darboux Equation
- Euler's Equations of Inviscid Motion
- Euler-Lagrange Differential Equation
- Euler-Poisson-Darboux Equation
- Fisher's Equation
- Fitzhugh-Nagumo Equations
- Gårding's Inequality
- Gardner Equation
- Ginzburg-Landau Equation
- Goursat Problem
- Harry Dym Equation
- Heat Conduction Equation
- Heat Conduction Equation--Disk
- Heisenberg Ferromagnet Equation
- Helmholtz Differential Equation
- Helmholtz Differential Equation--Bipolar Coordinates
- Helmholtz Differential Equation--Bispherical Coordinates
- Helmholtz Differential Equation--Cartesian Coordinates
- Helmholtz Differential Equation--Circular Cylindrical Coordinates
- Helmholtz Differential Equation--Confocal Ellipsoidal Coordinates
- Helmholtz Differential Equation--Confocal Paraboloidal Coordinates
- Helmholtz Differential Equation--Conical Coordinates
- Helmholtz Differential Equation--Elliptic Cylindrical Coordinates
- Helmholtz Differential Equation--Oblate Spheroidal Coordinates
- Helmholtz Differential Equation--Parabolic Coordinates
- Helmholtz Differential Equation--Parabolic Cylindrical Coordinates
- Helmholtz Differential Equation--Polar Coordinates
- Helmholtz Differential Equation--Prolate Spheroidal Coordinates
- Helmholtz Differential Equation--Spherical Coordinates
- Helmholtz Differential Equation--Spherical Surface
- Helmholtz Differential Equation--Toroidal Coordinates
- Hirota Equation
- Hirota-Satsuma Equation
- Hyperbolic Partial Differential Equation
- Ill-Defined
- Ill-Posed
- Initial Conditions
- Initial Value Problem
- Inverse Scattering Method
- Jacobi Differential Equation
- Johnson's Equation
- Kadomtsev-Petviashvili-Burgers Equation
- Kadomtsev-Petviashvili Equation
- Kaup's Equation
- Klein-Gordon Equation
- Klein-Gordon-Maxwell Equation
- Korteweg-de Vries-Burgers Equation
- Korteweg-de Vries Equation
- Kramers Equation
- Krichever-Novikov Equation
- Kupershmidt Equation
- Kuramoto-Sivashinsky Equation
- Lagrange's Equation
- Landau-Lifshitz Equation
- Laplace-Beltrami Operator
- Laplace's Equation
- Laplace's Equation--Bipolar Coordinates
- Laplace's Equation--Bispherical Coordinates
- Laplace Equation--Confocal Ellipsoidal Coordinates
- Laplace Equation--Conical Coordinates
- Laplace's Equation--Spherical Coordinates
- Laplace's Equation--Toroidal Coordinates
- Laplacian
- Lax Pair
- Lin-Tsien Equation
- Liouville's Equation
- Lubrication Equation
- Maxwell's Equations
- Mixed Partial Derivative
- Molenbroek's Equation
- Monge-Ampère Differential Equation
- Nahm's Equation
- Navier's Equation
- Navier-Stokes Equations
- Neumann Boundary Conditions
- Onsager Differential Equation
- Parabolic Partial Differential Equation
- Partial Differential Equation
- Phi-Four Equation
- Plateau's Equation
- Pohlmeyer-Lund-Regge Equation
- Poisson's Equation
- Porous Medium Equation
- Prandtl's Boundary Layer Equations
- Rayleigh Wave Equation
- Reduced Maxwell-Bloch Equations
- Regularized Long-Wave Equation
- Reynolds Transport Theorem
- Riemann Formula
- Riemann Method
- Robertson Condition
- Robin Boundary Conditions
- Sawada-Kotera Equation
- Schrödinger Equation
- Separation of Variables
- Sine-Gordon Equation
- Sinh-Gordon Equation
- Sinh-Poisson Equation
- Soliton
- Spherical Harmonic Differential Equation
- Stäckel Determinant
- Telegraph Equation
- Thomas Equation
- Tricomi Equation
- Twistor Equation
- Vector Poisson Equation
- Veselov-Novikov Equation
- von Kármán Equations
- Wadati-Konno-Ichikawa-Shimizu Equation
- Wave Equation
- Wave Equation--1-Dimensional
- Wave Equation--Rectangle
- Wave Equation--Triangle
- Well-Defined
- Wiener-Hopf Method
- Wiener-Hopf Factorization
- Wiener-Hopf Technique
- Yang-Mills Equation
- Zero Rest Mass Equation
- Zoomeron Equation