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2 votes

on a characterisation of the intersection complex

I do this all over $\mathbb{C}$. By [BBD] this should not be a problem. Assume $X=\mathbb{C}P^1$, $U=\mathbb{C}$, $S_1= U$, $S_0=X-U$. Let further $j_i:S_i\hookrightarrow X$ be the inclusion maps. Th …
Oliver Straser's user avatar