Perversity
= Perversity
{title2=$\bar p$}
A traditional perversity is a function $\bar p:\{2,3,\ldots\}\to\mathbb Z$ satisfying $\bar p(2)=0$ and $\bar p(k+1)-\bar p(k)\in\{0,1\}$. It specifies how far chains may meet strata of codimension $k$.
= Perversity
{title2=$\bar p$}
A traditional perversity is a function $\bar p:\{2,3,\ldots\}\to\mathbb Z$ satisfying $\bar p(2)=0$ and $\bar p(k+1)-\bar p(k)\in\{0,1\}$. It specifies how far chains may meet strata of codimension $k$.