Filtered ring
= Filtered ring
{wiki=Filtered_algebra}
A filtered ring is a ring with subgroups $(R_n)$ satisfying $R_mR_n\subseteq R_{m+n}$.
= Filtered ring
{wiki=Filtered_algebra}
A filtered ring is a ring with subgroups $(R_n)$ satisfying $R_mR_n\subseteq R_{m+n}$.