Brazil-France School and Workshop on Algebraic Geometry

IMPA, Rio de Janeiro, de 18/10 até 29/10

Scientific and organizing committee

Carolina Araujo (IMPA, Brazil)
Eduardo Esteves (IMPA, Brazil)
Nivaldo Medeiros (UFF, Brazil)
Marco Pacini (UFF, Brazil)
Emmanuel Peyre (UJF, Grenoble, France)
Bertrand Rémy (UCBL, Lyon, France)


First Announcement

Second Announcement


1st week:
– Introduction to algebraic groups – by Bertrand Rémy (Lyon)
– Frobenius splitting – by Stéphane Druel (Grenoble)
– Rational curves on algebraic varieties – by Carolina Araujo (IMPA)

2nd week:
– Introduction to Berkovich geometry – by Amaury Thuillier (Lyon)
– Rational points and rational curves – by Emmanuel Peyre (Grenoble)
– Geometric Invariant Theory – by Eduardo Esteves (IMPA)

Titles and Abstracts


Wednesday 20

Daniel Levcovitz (USP – Instituto de Ciências Matemáticas e Computação São Carlos)
Title: Enumeration of involutive curve in $P3$
14:30 – 15:00

Roberto Callejas Bedregal
Title: Lê cycles and Milnor classes
15:15 – 16:45

Wednesday 27

Parham Salehyan (USP – São José do Rio Preto )
Title: Some remarks on Weierstrass points
14:15 – 14:45

Juliana Coelho (UFF)
Title: Abel maps and Brill-Noether varieties
15:00 – 15:30


Stéphane Druel (Université Joseph Fourier)
Reductions of irreducible symplectic varieties defined over number fields

Arnaldo Garcia (IMPA)
On recursive towers of curves over finite fields

Abramo Hefez (UFF)
Toward the complete solution of analytic classification of plane curve singularities

Emmanuel Peyre (UJF, Grenoble, France)

Amílcar Pacheco (UFRJ)
Rational points of abelian varieties in pro-p towers of function fields

Mihai Paun (Nancy Université – Institut Elie Cartan)
Bergman kernels and applications

Bertrand Rémy (Université Claude Bernard Lyon 1)
Berkovich geometry and Satake compactifications

Rodolphe Richard (École Polytechnique)
Counting, Tightness and (non arch.) Symmetric spaces

Aron Simis (UFPE)
Monomial Cremona maps and their combinatorics

Amaury Thuillier (Lyon)
The homotopy type of a resolution of singularities

Jean-Yves Welschinger (École Normale Superieure de Lyon)
Exponential rarefaction of real curves with many components

Picture of the Group

Picture 1

Picture 2


First Week

Second Week

Registered Participants






IMPA has a list of suggested hotels for the event. Hopefully it can help you find accommodation in Rio during the Workshop.

If you need help, we suggest the agency of events that we use (please identify yourself as a participant in the workshop at IMPA):
Hotel reservations can be made directly with the CMOEventos agency by clicking here
The CMOEventos will reply by email (if online form was used) to confirm if the rooms are available.
Then, a credit card is required to guarantee your reservation. This information can be provided by fax, or using the CMOEventos online secure form on CMOEventos.

CMOEventos fax number: 55 (21) 2210 7282
CMOEventos phone number: 55 (21) 2210 1732 (Contact: Michele Leite)

For additional information about hotel accommodations contact Michele Leite at:

Visa Information

Please check the link Visa Information to find out whether you need a VISA to enter Brazil (US and Canadian citizens do; citizens from most European countries do not). Let us know in case you do need a VISA, so we can provide an invitation letter.

Please send any inquiries to

Local Information


The “Brazil-France School and Workshop on Algebraic Geometry” will be partially supported by the French ARCUS Programme RRhA-BR 2008-2010 and IMPA.