Using Heegaard Floer theory we find obstructions for configurations of singular points on general curves in CP^2, generalizing previous results of Bodnár, Borodzik, Celoria, Golla, Hedden and Livingston. We show concrete examples, when "genus cannot be traded for double points". This is a joint work with Beibei Liu and Ian Zemke.
Non-rational non-cuspidal curves via Heegaard Floer theory
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Nom de l'orateur
Maciej Borodzik
Etablissement de l'orateur
University of Warsaw
Date et heure de l'exposé
Lieu de l'exposé
visioconférence