Variable Resolution Discretization in Optimal Control (page 2)

Remi Munos
Andrew Moore

3- Splitting methods based on local considerations:

Splitting criterion = Value difference

Splitting criterion = value non-linearity

Approximation of a discontinuity with splitting methods based on corner-difference ((a) for a coarse resolution, (b) for a dense resolution) and on value-non-linearity ((c) for a coarse resolution, ((d)) for a dense resolution).

Splitting criterion = policy disagreement

Splitting criterion = combination of policy disagreement and value non-linearity