12th ALGA Meeting

IMPA, Rio de Janeiro, de 13/08 até 17/08




List of all Registered Partipants


Organizing Committee

Eduardo Esteves (IMPA)
Abramo Hefez (UFF)
Bernd Ulrich (Purdue)
Dan Edidin (Misoouri)
Ragni Piene (Oslo)



Group Picture

Talks – August 13

Talks – August 14

Talks – August 15

Talks – August 16

Talks – August 17





Price for Registration

Foreign and Brazilian Participants
Professors (Ph.D´s) / Professores (Doutores)
Students (Master and Ph.D) / Alunos (Mestrado e Doutorado)
IMPA´s Students / Alunos do IMPA
R$ 40.00



Vikraman Balaji (Chennai Mathematical Institute, Chennai)
On holonomy and restriction theorems for stable bundles on projective varieties

Susan Colley (Oberlin, USA)
Combinatorial Determination of Severi Degrees

Terence Gaffney (Northeastern, USA)
Connections between Commutative Algebra and Singularities Through the Lens of bi-Lipschitz Equivalence

Arnaldo Garcia (IMPA, Brazil)
On towers over finite fields and Ihara’s quantity

Philippe Gimenez (Valladolid, Spain)
On the multigraded Betti numbers of an edge ideal

Lothar Goettsche (ICTP, Italy)
Refined curve counting on surfaces

Shiro Goto (Meiji, Japan)
Ulrich Ideals And Modules, I

Dan Grayson (Illinois, USA)
Computations in intersection theory

Anthony Iarrobino (Northeastern, USA)
When do two nilpotent matrices commute?

Luc Illusie (Paris, France)
Actions of algebraic groups and mod l étale equivariant cohomology algebras : Quillen’s theory revisited

Trygve Johnsen (Tromso, Norway)
Codes and matroid structures

Hajime Kaji (Waseda, Japan)
A tangential trisecant lemma

Gary Kennedy (Ohio, USA)
Milnor Fibers Associated to Quasi-Ordinary Surfaces

Sandor Kovacs (Seattle, USA)
Rational pairs and thrifty resolutions

Aryampilly J. Parameswaran (Tata Institute of Fundamental Research, Mumbai)
Picard bundles and Brill-Noether loci in the compactified jacobian of a nodal curve

Claudia Polini (Notre Dame, USA)
Rees algebras and Singularities

Lorenzo Robbiano (Genova, Italy)
Detecting Hidden Images Using Algebraic Schemes

Vivek Shende (MIT, USA)
Counting nodal curves on surfaces

Anurag Singh (Utah, USA)
Local cohomology supported at determinantal ideals

Vijayalaxmi Trivedi (Tata Institute of Fundamental Research, Mumbai)
Hilbert-Kunz multiplicity and Hilbert-Kunz slope

Ilya Tyomkin (Ben Gurion, Israel)
Zariski’s theorem via tropical geometry

Israel Vainsencher (UFMG, Brazil)
Degrees of Noether-Lefschetz loci

Keiichi Watanabe (Nihon, Japan)
Ulrich Ideals and Modules, II

Sebastian Xambó (Catalunya, Spain)
ALGA Connections in Spain




Postal Address: Instituto Nacional de Matemática Pura e Aplicada 
Estrada Dona Castorina 110, Jardim Botânico
Rio de Janeiro, RJ, CEP 22460-320, Brasil 
E-mail: eventos@impa.br