Some things i would like to have: Orlik-Solomon Algebras Module of logarithmic derivations (and specially, a way to check if it is free). Or at least, its Betti numbers. Maybe arrangements in projective spaces?
For the case of line arrangements, wiring diagrams, and fundamental group. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/groups/opt_out.
