Geometria Complessa e Geometria Differenziale
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Free divisors and Hyperplane arrangements

created by daniele on 16 Oct 2018

17 dec 2018 - 19 dec 2018

Paris

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A meeting on Free divisors and Hyperplane arrangements will take place in Paris, 17-19 December 2018. More information can be found on the webpage : https://sites.google.com/site/freehyperp/.

For the registration to the meeting, please send an email to: huss.mourtada(AT)gmail.com, with "Registration freehyp" in the object.

Free divisors and Hyperplane arrangements
Paris, 17-19 December 2018

Free divisors are a class of hypersurfaces in non singular ambient spaces which are characterized by differential properties. This mysterious class contains discriminants of versal deformations, some hyperplane arrangements, and some projective plane curves whose singularities have particular properties. The goal of this meeting is to introduce the audience to free divisors, to algebraic and topological properties of hyperplane arrangements and in particular to Terao's conjecture about the freeness of hyperplane arrangements. Hyperplane arrangements play a translation role between some geometric problems or D-modules problems and some combinatorial problems. This role is somehow similar to the role played by toric varieties in translating other type of geometric problems to other aspects of combinatorics.

The meeting will take place at Université Paris Diderot.

Mini-courses:

Takuro Abe, Logarithmic vector fields and freeness of hyperplane arrangements.

Alexandru Dimca, Free projective hypersurfaces. Michel Granger, Logarithmic forms and free divisors.

Masahiko Yoshinaga, Matroids, Tutte polynomial, and generalizations.

Talks:

Eleonore Faber, TBA

Delphine Pol, Logarithmic modules and freeness in higher codimension.

Best reagrds,

The Organizers: Ana Belen de Felipe, Julie Déserti, Hussein Mourtada, Matteo Ruggiero, Bernard Teissier.

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