LinearOrdinaryRecurrenceCategory

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LinearOrdinaryRecurrenceCategory

$\begin{usage} LinearOrdinaryRecurrenceCategory~R: Category \end{usage}$

$\begin{params} {\em R} & \htmlref{\texttt{Ring}}{Ring} & A ring\\ \end{params}$

$\begin{descr} LinearOrdinaryRecurrenceCategory~R is the category of linear ordinary difference operators with coefficients in R. \end{descr}$

Exports

LinearOrdinaryDifferenceOperatorCategory R

if has GcdDomain then
sections: (%, Integer) $\to$ Array % Sections

if has RationalRootRing then
singularities: % $\to$ List Integer Singularities

Subsections

sections
singularities

Manuel Bronstein 2000-12-13