Name |
Dim |
Equation |
Applications |
Rayleigh |
1+1 |
|
|
Ricci flow |
Any |
|
Poincaré conjecture |
Richards equation |
1+3 |
|
Variably saturated flow in porous media |
Rosenau–Hyman |
1+1 |
|
compacton solutions |
Sawada–Kotera |
1+1 |
|
|
Sack–Schamel equation |
1+1 |
|
plasmas |
Schamel equation |
1+1 |
|
plasmas, solitons, optics |
Schlesinger |
Any |
|
isomonodromic deformations |
Seiberg–Witten |
1+3 |
|
Seiberg–Witten invariants, QFT |
Shallow water |
1+2 |
|
shallow water waves |
Sine–Gordon |
1+1 |
|
Solitons, QFT |
Sinh–Gordon |
1+1 |
|
Solitons, QFT |
Sinh–Poisson |
1+n |
|
Fluid Mechanics |
Swift–Hohenberg |
any |
|
pattern forming |
Thomas |
2 |
|
|
Thirring |
1+1 |
, |
Dirac field, QFT |
Toda lattice |
any |
|
|
Veselov–Novikov |
1+2 |
, , |
shallow water waves |
Vorticity equation |
|
|
Fluid Mechanics |
Wadati–Konno–Ichikawa–Schimizu |
1+1 |
|
|
WDVV equations |
Any |
|
Topological field theory, QFT |
WZW model |
1+1 |
|
QFT |
Whitham equation |
1+1 |
|
water waves |
Williams spray equation |
|
|
Combustion |
Yamabe |
n |
|
Differential geometry |
Yang–Mills (source-free) |
Any |
|
Gauge theory, QFT |
Yang–Mills (self-dual/anti-self-dual) |
4 |
|
Instantons, Donaldson theory, QFT |
Yukawa |
1+n |
|
Meson-nucleon interactions, QFT |
Zakharov system |
1+3 |
|
Langmuir waves |
Zakharov–Schulman |
1+3 |
|
Acoustic waves |
Zeldovich–Frank-Kamenetskii equation |
1+3 |
|
Combustion |
Zoomeron |
1+1 |
|
Solitons |
φ4 equation |
1+1 |
|
QFT |
σ-model |
1+1 |
|
Harmonic maps, integrable systems, QFT |