Moduli Spaces
2006/2007
Seminar program
Thursday, June 14, 2007: Institute seminar
11.00-12.00 David Rydh, KTH, Stockholm
Quotients and existence of coarse moduli spaces
14.00-15.00 Milagros Izquierdo, University of Linköping
Equisymmetric strata in the moduli space of Riemann surfaces of genus 4
15.30-16.30 Ib Madsen, University of Aarhus
K-theory and moduli spaces
Tuesday, June 12, 2007: Institute seminar
11.00-12.00 Filippo Viviani, University of Tor Vergata, Rome
Deformations of simple finite group schemes
14.00-15.00 Roya Beheshti- Zavareh, Queen's University, Kingston
Rational surfaces in smooth hypersurfaces
15.30-16.30 Ralph Kaufmann, University of Connecticut, Storrs
Twisting stringy K-theory and the Drinfel'd double
Thursday, June 7, 2007: Institute seminar
14.00-15.00 Martin Olsson, University of Texas, Austin
Tame stacks in positive characteristic
15.30-16.30 Michael Thaddeus, Columbia University, New York
Duality between torsors and gerbes on a torus bundle
Tuesday, June 5, 2007: Institute seminar
14.00-15.00 Stephanie Yang, KTH
The Fulton-MacPherson space of points on a smooth algebraic variety
15.30-16.30 Daniel Larsson, Institut Mittag-Leffler
Two versions of Lie algebra deformations
Thursday, May 31, 2007: Institute seminar
11.00-12.00 Anthony Iarrobino, Northeastern University, Boston
Commuting nilpotent matrices and the punctual Hilbert scheme
14.00-15.00 Gavril Farkas, University of Texas, Austin
Koszul divisors on moduli spaces, II
15.30-16.30 Jonas Bergström, Institut Mittag-Leffler
Counting points over finite fields of the moduli space of pointed non-hyperelliptic curves of genus 3
Tuesday, May 29, 2007: Institute seminar
14.00-15.00 Günter Harder, Max-Planck-Institut, Bonn
Counting points on the moduli space of stable bundles with parabolic structure
15.30-16.30 Eduard Looijenga, University of Utrecht
The moduli space of curves as a market place for algebraic geometers and geometric topologists
Thursday, May 24, 2007: Institute seminar
14.00-15.00 Sergei Merkulov
An operadic guide to deformation theory
15.30-16.30 Gavril Farkas, University of Texas, Austin
Koszul divisors on moduli spaces
Tuesday, May 22, 2007: Institute seminar
14.00-15.00 Claudio Fontanari
Induction principle, rational cohomology, and moduli spaces
15.30-16.30 Daniel Ying, University of Linköping
Bounds of unique p-gonal morphisms on compact Riemann surfaces
Tuesday, May 15, 2007: Institute seminar
14.00-15.00 Paolo Aluffi, Florida State University, Tallahassee
Limits of Chow groups and characteristic classes
15.30-16.30 Yuan-Pin Lee, University of Utah, Salt Lake City
Flops, motives and invariance of quantum rings
Thursday, May 10, 2007: Institute seminar
10.00-11.00, NOTE THE TIME! Ziv Ran, University of California, Riverside
Lie brackets and deformation theory
11.15-12.15, NOTE THE TIME! Hsian-Hua Tseng, University of British Columbia, Vancouver
The stack of twisted stable maps to a quotient stack is a quotient stack
Wednesday, May 9, 2007: Institute seminar
11.00-12.00 Maxim Leyenson, Bar Ilan University, Ramat Gan
Correspondences between moduli spaces of sheaves on surfaces
Tuesday, May 8, 2007: Institute seminar
14.00-15.00 Kai Behrend, University of British Columbia, Vancouver
Derived Lagrangian intersections
15.30-16.30 Özgür Ceyhan, Max-Planck-Institut, Bonn
Towards quantum cohomology of real algebraic varieties
Thursday, May 3, 2007: Institute seminar
11.00-12.00 Kai Behrend, University of British Columbia, Vancouver
Donaldson-Thomas type invariants via microlocal geometry
14.00-15.00 Barbara Fantechi, SISSA, Trieste
A characterization of toric DM stacks
15.30-16.30 Francesco Noseda, SISSA, Trieste
Deformation sequence associated to a pointed algebraic stack
Thursday, April 26, 2007: Institute seminar
14.00-15.00 Robin de Jong, Leiden University
Gauss map on the theta divisor and moduli of abelian varieties
Thursday, April 19, 2007: Institute seminar
14.00-15.00 Dimitri Markushevich, Université de Lille
New symplectic V-manifolds of dimension four via the relative compactified Prymian
15.30-16.30 Özgür Ceyhan, Max-Planck-Institut, Bonn
Chow groups of the moduli spaces of weighted pointed stable curves of genus zero
Tuesday, April 17, 2007: Institute seminar
14.00-15.00 Cristina Manolache, Sissa, Trieste
Relative rational Gromov-Witten Invariants
Thursday, April 12, 2007: Institute seminar
14.00-15.00 Sylvain Maugeais, University of Le Mans
What could be a compactification of the moduli space of equivariant curves?
15.30-16.30 Dimitri Markushevich, Université de Lille
Symplectic structures on moduli spaces via the Atiyah class
Tuesday, April 3, 2007: Institute seminar
14.00-15.00 Sylvain Maugeais, University of Le Mans
On some results on the moduli space of equivariant curves
Thursday, March 29, 2007: Institute seminar
11.00-12.00 Manuel Blickle, FB Mathematik, Essen
Singularity invariants in positive characteristic
14.00-15.00 Lothar Göttsche, Abdus Salam International Centre, Trieste
A Riemann-Roch theorem for virtually smooth varieties and applications
15.30-16.30 Nicolae Manolache, Inst. of Math. of the Romanian Academy, Bucharest
Gorenstein multiple structures on smooth support
Tuesday, March 27, 2007: Institute seminar
14.00-15.00 Stefan Schröer, Heinrich-Heine-Universität
Azumaya algebras and Artin stacks
Thursday, March 22, 2007: Institute seminar
11.00-12.00 Sam Payne, University of Michigan
Moduli of toric vector bundles
14.00-15.00 Elena Kreines, Moscow State University
Generalized Grothendieck dessins d'enfants and compactifications of moduli spaces
15.30-16.30 Orsola Tommasi, Johannes Gutenberg-Universität
Discriminants and cohomology of moduli spaces of curves
Tuesday, March 20, 2007: Institute seminar
14.00-15.00 Timothy Logvinenko, KTH Stockholm
Non-commutative crepant resolutions and the arising moduli constructions
Thursday, March 15, 2007: Institute seminar
11.00-12.00 Marco Manetti, Universita di Roma
A deformation theoretic interpretation of Bloch's semiregularity map
14.00-15.00 Emma Previato, Boston University
Singular quadratic complexes and compactifications of moduli spaces of bundles
15.30-16.30 Carl-Friedrich Bödigheimer, Universität Bonn
Symmetric groups and moduli spaces of Riemann surfaces
Tuesday, March 13, 2007: Institute seminar
14.00-15.00 Carl-Friedrich Bödigheimer, Universität Bonn
Hilbert uniformization of Riemann surfaces
15.30-16.30 Hsian-Hua Tseng, University of British Colombia
Global quotient structure of moduli of orbifold stable maps
Thursday, March 8, 2007: Institute seminar
14.00-15.00 Sabin Cautis, Rice University
Knot homology via coherent sheaves on moduli spaces
15.30-16.30 Sam Payne, University of Michigan
Toric vector bundles and the resolution property
Tuesday, March 6, 2007: Institute seminar
14.00-15.00 Klaus Hulek, University of Hannover
Moduli of polarized symplectic manifolds
Thursday, March 1, 2007: Institute seminar
11.00-12.00 Klaus Hulek, University of Hannover
Moduli spaces of $K3$ surfaces
14.00-15.00 Ragni Piene, University of Oslo
Inflectional loci of scrolls
15.30-16.30 Samuel Grushevsky, Princeton University
Intersection numbers of divisors on (the compactifications of) the moduli space of abelian varieties
Tuesday, February 27, 2007: Institute seminar
14.00-15.00 Kristian Ranestad, University of Oslo
A class formula for varieties of symmetric matrices
Thursday, February 22, 2007: Institute seminar
14.00-15.00 Gary Kennedy, Ohio State University
Tangential quantum cohomology of arbitrary order
15.30-16.30 Vasile Brinzanescu, Inst. of Mathematics, Simion Stoilow
Twisted Fourier- Mukai transforms and moduli of vector bundles
Tuesday, February 20, 2007: Institute seminar
14.00-15.00 Donatella Iacono, Universita di Roma, La Sapienza
Differential graded Lie algebras and deformations of holomorphic maps
Thursday, February 15, 2007: Institute seminar
14.00-15.00 Eduardo Esteves, IMPA, Rio de Janeiro
Abel maps for singular curves
15.30-16.30 Marco Boggi, Paris
Monodromy of stable curves of compact type: rigidity and extension
Tuesday, February 13, 2007: Institute seminar
14.00-15.00 Sabin Cautis, Rice University
Extending maps to the moduli space or curves
Thursday, February 8, 2007: Institute seminar
14.00-15.00 Nadezhda Timofeeva, Yaroslavl State Pedagogical University
On a compactification of the moduli scheme of stable 2-vector bundles of a surface, in the Hilbert scheme
15.30-16.30 Fumitoshi Sato, KIAS, Seoul
Recursive formula for $\psi^g - \lambda_1 \psi^{g-1} + \cdots +(-1)^g
\lambda_g$ in $\overline{M}_{g,1}$.
Thursday, February 1, 2007: Institute seminar
14.00-15.00 Tyler Jarvis, Brigham Young University, Provo
r-Spin curves and quasi-homogeneous singularities
15.30-16.30 Yongnam Lee, Sogang University, Seoul
Log minimal model program for the moduli space of stable curves of genus 3
Tuesday, January 30, 2007: Institute seminar
14.00-15.00 Tyler Jarvis, Brigham Young University, Provo
Geometry and compactification of the moduli space of r-spin curves
Thursday, January 25, 2007: Institute seminar
14.00-15.00 Martin Gulbrandsen, University of Oslo
Fibrations on (examples of) symplectic varieties
Thursday, January 18, 2007: Institute seminar
14.00-15.00 Filippo Viviani, University of Tor Vergata, Rome
The Picard group of the stack of hyperelliptic curves and some applications
15.30-16.30 Timothy Logvinenko, Institut Mittag-Leffler and KTH
A classification of families of $G$-constallations
Thursday, December 14, 2006: Institute seminar
14.00-15.00 Gerard van der Geer, University of Amsterdam
Cycle relations on Jacobian varieties
Thursday, December 7, 2006: Institute seminar
14.00-15.00 Andrew Kresch, University of Zürich
Intersection theory on stacks, II
15.30-16.30 Satoshi Minabe, Nagoya University
Topological vertex and local Gromov-Witten invariants of del Pezzo surfaces
Tuesday, December 5, 2006: Institute seminar
14.00-15.00 Andrew Kresch, Univesity of Zürich
Intersection theory on stacks, I
15.30-16.30 Timothy Logvinenko, Institut Mittag-Leffler and KTH
Construction of crepant resolutions as GIT moduli spaces
Thursday, November 30, 2006: Institute seminar
14.00-15.00 Andrew Kresch, University of Zürich
Quantum cohomology of homogeneous varieties: unified approach
15.30-16.30 Elizabeth Baldwin, Oxford University
A GIT construction of moduli spaces of $n$-pointed stable curves and stable maps
Tuesday, November 28, 2006: Institute seminar
14.00-15.00 Elizabeth Baldwin, Oxford University
Gieseker's GIT construction of the moduli space of stable curves
15.30-16.30 Peter Zograf, Steklov Mathematical Institute
Volumes of moduli spaces of curves
Thursday, November 23, 2006: Institute seminar
14.00-15.00 Ralph Kaufmann, University of Connecticut
Stringy K-theory
15.30-16.30 Nick Shepherd-Barron, University of Cambridge
Making the Torelli map explicit
Tuesday, November 21, 2006: Institute seminar
14.00-15.00 Timothy Logvinenko, Institut Mittag-Leffler and KTH
Derived McKay correspondence and pure-sheaf transforms
Thursday, November 16, 2006: Institute seminar
14.00-15.00 Francis Brown, University of Bordeaux
Multiple zeta values and periods of moduli spaces $M_{O,n}$
15.30-16.30 Jan Stevens, Chalmers University of Technology, Gothenburg
Equations for surface singularities
Tuesday, November 14, 2006: Institute seminar
14.00-15.00 Paul Pearson, Northwestern University, Evanston
Stack cohomology and stable homotopy
Tuesday, November 7, 2006: Institute seminar
14.00-15.00 Arnfinn Laudal, University of Oslo
Non-commutative deformations of modules, phase spaces and moduli theory
Thursday, November 2, 2006: Institute seminar
14.00-15.00 Edoardo Sernesi, Universita Roma Tre
Moduli of fibrations
15.30-16.30 Paul Pearson, Northwestern University
Topological modular forms, cohomology theories and formal groups
Thursday, October 26, 2006: Institute seminar
11.00-12.00 Sergey Natanzon, Independent University of Moscow
Hurwitz numbers of seamed surfaces
14.00-15.00 Francesco Vaccarino, Politecnico di Torino
Symmetric products, moduli spaces of linear representations and the Hilbert scheme of points
15.30-16.30 David M.R. Jackson, University of Waterloo
A proof of Faber's top intersection number
Conjecture, for all genera and a small number of points
Tuesday, October 24, 2006: Institute seminar
14.00-15.00 Michael Shapiro, MSU, East Lansing
Cluster algebras and triangulated surfaces
Thursday, October 19, 2006: Institute seminar
11.00-12.00 Maxim Kazarian, Steklov Institute of Mathematics
Introduction to KP hierarchy and boson-fermion correspondence
14.00-15.00 Duco van Straten, Johannes Gutenberg-Universität
Arctic computation of monodromy
15.30-16.30 Sergei Lando, Institute of System Research, Moscow
Introduction to the geometry of Hurwitz spaces
Tuesday, October 17, 2006: Institute seminar
14.00-15.00 Sergei Shadrin, University of Stockholm
Zwiebach invariants
Thursday, October 12, 2006: Institute seminar
14.00-15.00 Alek Vainshtein, University of Haifa
Double Hurwitz numbers in genus 0
Thursday, October 5, 2006: Institute seminar
14.00-15.00 Maxim Kazarian, Steklov Institute of Mathematics
Intersection theory on moduli spaces and integrable hierarchies
15.30-16.30 Dimitri Zvonkine, Institut de Mathématiques de Jussieu, Paris
More on the ELSV formula
Tuesday, October 3, 2006: Institute seminar
14.00-15.00 Michal Stukow, University of Gdansk
Introduction to Teichmüller space
Thursday, September 28, 2006: Institute seminar
14.00-15.00 Michal Stukow, University of Gdansk
Algebraic properties of mapping class groups and their applications to the theory of moduli spaces
15.30-16.30 Dimitri Zvonkine, Institut de Mathématiques de Jussieu, Paris
Towards an ELSV-type formula for the space of $r$-spin structures
Tuesday, September 26, 2006: Institute seminar
14.00-15.00 Dimitri Zvonkine, Institut de Mathématiques de Jussieu, Paris
The ELSV formula: a relation between Hurwitz numbers and intersection theory on moduli spaces
Thursday, September 21, 2006: Institute seminar
14.00-15.00 Natsuo Saito, Hiroshima City University
Fano 3-folds in positive characteristic and wild hypersurface bundles
15.30-16.30 Lothar Göttsche, Abdus Salam International Centre, Trieste
Instanton counting and invariants of moduli spaces of sheaves on surfaces
Tuesday, September 19, 2006: Institute seminar
14.00-15.00 Michael Shapiro, Michigan State University
Introduction to Hurwitz numbers II: The cut-and-join equation
15.15-16.15 Carel Faber, KTH
Introduction to intersection theory on the moduli space of curves
Thursday, September 14, 2006: Institute seminar
14.00-15.00 Masayuki Hirokado, Hiroshima City University
Calabi-Yau threefolds arising from fiber products of rational quasi-elliptic surfaces in characteristic 2
15.30-16.30 Stefan Schröer, Heinrich-Heine University, Düsseldorf
Beauville's Kummer varieties in positive characteristics
Tuesday, September 12, 2006: Institute seminar
14.00-16.30 Stefan Schröer, Heinrich-Heine University, Düsseldorf, and Michael Shapiro,MSU, East Lansing
Introductions to Hurwitz numbers
Thursday, September 7, 2006: Institute seminar
14.00-15.00 Eleny Ionel, Stanford University
Singular spaces and Gromov-Witten invariants
15.30-16.30 Hiroyuki Ito, Hiroshima University
Deformations of singularities and the Mordell-Weil lattices in positive characteristic
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