Block cellular automata
Block rules [examples]
Conservation of vector quantities
[Conserved quantities in] PDEs
[Conserved quantities in] physics
Derivation of the diffusion equation
Diffusion equation
Implementation [of conserved quantity test]
Limiting procedures [for cellular automata]
Local conservation laws
More general conserved quantities
Non-standard diffusion
Other conserved quantities
PDE approximations [to cellular automata]