Difference equations, as discrete analogues of differential equations, form a fundamental mathematical framework for describing systems that evolve incrementally over time or space. Coupled with ...

This is a preview. Log in through your library . Abstract The deviation of actual sales (or other time-dependent statistics) from a model of sales will give rise to forecasting errors that are ...

Also, the solutions to linear difference equations over the circle group can be simply described in a fashion which an example shows cannot be extended to all compact abelian groups.