Schedule of talks (Winter 2006)

Date Speaker Title (click for abstract)
1/10/06 Planning meeting
1/17/06 Victor Lozovanu and Kevin Tucker Intersection theory and minimal models of surfaces
1/24/06 Dennis Clark Bend-and-break lemmas
1/31/06 Kyle Hofmann The cone of curves on an algebraic variety
2/7/06 Kyungyong Lee The contraction theorem and mild singularities
2/14/06 Shin-Yao Jow Running the Minimal Model Program
2/21/06 Giancarlo Urzua Moduli of curves
2/28/06 Break
3/7/06 Giancarlo Urzua Moduli of curves II
3/14/06 Dave Anderson Moduli of stable maps
3/21/06 Dave Anderson Stable maps II: Kontsevich's formula for rational curves in the plane
3/28/06 Janis Stipins Configurations of lines and pencils of plane curves
4/4/06
2:00pm		 Geordie Williamson (Univ. Freiburg) Stacks and moduli problems
4/10/06
4:00pm
3088EH		 Geordie Williamson (Univ. Freiburg) Introduction to Kazhdan-Lusztig Theory
4/11/06 Geordie Williamson (Univ. Freiburg) Stacks and moduli problems II
4/18/06 Trevor Arnold Construction of the space of stable maps

Schedule of talks (Fall 2005)

Date Speaker Title (click for abstract)
9/6/05 Planning meeting Planning meeting
9/13/05 Sam Payne Stable base loci and movable curves
9/20/05 Nam-Hoon Lee Calabi-Yau versus K3
9/27/05 Ryan Kinser and Kevin Tucker An Introduction to Derived Categories
10/4/05 Dennis Clark Triangulated Categories and Derived Functors
10/11/05 Oscar Felgueiras The Derived Category of Projective Space
10/18/05 (fall break)
10/25/05 Alan Stapledon Derived Categories of Smooth Projective Varieties
11/1/05 Afsaneh Mehran Equivalences of Derived Categories of K3 Surfaces
11/8/05 Dave Anderson Perverse Sheaves and Intersection (Co)homology
11/15/05 Kyle Hofmann Flops and Moduli of Perverse Point Sheaves
11/22/05 Sue Sierra Measuring Division Rings
11/29/05 Cornelia Yuen Jet Schemes of Determinantal Varieties
12/6/05 Carolina Araujo Rational curves on varieties

Schedule of Talks (Winter 2005)

Date Speaker Title (click for abstract)
1/11/05 Planning meeting Planning meeting
1/18/05 Kyungyong Lee On the cone of curves of an abelian variety
1/25/05 Kyle Hoffman Triangulations of algebraic sets
2/1/05 Sam Payne Equivariant vector bundles
2/8/05 Dave Anderson Introduction to Codes from Algebraic Geometry
2/15/05 Cornelia Yuen Codes on the Klein quartic
2/22/05 Minh Nguyen
3/8/05 Milena Hering Codes from Hermitian Curves
3/15/05 jason howald Codes from Hermitian Curves
3/22/05 Afsaneh Mehran Grassmann codes and Schubert unions
3/29/05 Oscar Felgueiras TBA
4/5/05 Trevor Arnold More on Geometric Invariants
4/26/05 End of the year drinks and chatting. Good Time Charlie's at 2pm. "Applications of algebraic geometry and commutative algebra to fluid flow and consumption"

Schedule of talks (Fall 2004)

Date Speaker Title (click for abstract)
9/14/04 TBA No meeting due to Special Algebraic Geometry seminar (3066)
9/21/04 Trevor Arnold Introduction to characteristic p methods in complex geometry
9/28/04 Sam Payne Frobenius splittings and Vanishing Theorems
10/5/04 Milena Hering Equations defining Schubert varieties and Frobenius spliiting of diagonals
10/12/04 Afsaneh Mehran "Bend-and-Break" Lemmas and Frobenius trick
10/26/04 Geoff Dietz Tight Closure and Invariants
11/2/04 Cornelia Yuen Rational singularities and F-rational type
11/9/04 Benjamin Nill, Universitaet Tuebingen Reflexive Polytopes
11/16/04 Jason P. Bell Automorphisms of varieties and critical density
11/23/04 Hailong Dao "So, what's wrong with mixed characteristic?"
11/30/04 Hailong Dao "So, what's wrong with mixed characteristic?", part 2
12/7/04 Zach Teitler Hyperplane Arrangements, I
12/14/04 Zach Teitler Hyperplane Arrangements, II

Schedule of Talks (2003-04)

Date Speaker Title (click for abstract)
9/9/03 Zach Teitler Invertibility of Endomorphisms of Hypersurfaces
9/16/03 Hailong Dao A survey of homological conjectures
9/23/03 Julianna Tymoczko Defining, describing, and using Hessenberg varieties
9/30/03 Afsaneh Mehran An Introduction to Reider's Theorem and Serre's Construction for Building Vector Bundles
10/7/03 Oscar Felgueiras
10/21/03 Cornelia Yuen
10/28/03 Alex Wolfe Q-Divisors and Vanishing Theorems
11/4/03 Zach Teitler Bogomolov Instability
11/11/03 Minh Nguyen The moduli space of vector bundles of rank 3 over a curve of genus 2
11/18/03 Samuel D Payne
11/25/03 Trevor Arnold Geometric Invariant Theory (GIT)
12/2/03 Alex Kuronya Volumes of big line bundles
12/9/03 Calin Chindris The cone of effective weights for quivers
1/13/04 Milena Hering Syzygies on toric varieties
1/20/04 Milena Hering The moduli space of stable maps
1/27/04 Sam Payne Gromov-Witten Invariants
2/3/04 Leonardo Mihalcea The Big Quantum Cohomology Ring
2/10/04 Leonardo Mihalcea Associativity and The Small Quantum Cohomology Ring
2/17/04 Paolo Aluffi (FSU)
2/24/04 No meeting
3/2/04 Arend Bayer (U. Bonn) Quantum Cohomology of Surfaces, 1
3/9/04 Afsaneh Mehran Quantum Cohomology of Surfaces, 2
3/16/04 ---- (seminar cancelled)
3/23/04 Minh Nguyen Quantum Cohomology of Complete Intersections
3/30/04 Prof. Harald Hengelbrock (Bochum/UM) Quantum Schubert Calculus
4/6/04 Paul Horja Mirror Symmetry
4/13/04 Sukmoon Huh Construction of the moduli space of vector bundles on a curve
4/20/04 Geoff Dietz Survey of closure operations in characteristic $p$

Schedule of Talks (2002-03)

Date

Speaker


Title

9/10/02

Janis Stipins

Classification of Surfaces I

9/17/02

Janis Stipins

Classification of Surfaces II

9/24/02

Alex Wolfe

A Walk Through Vanishing Theorems

10/1/02

Alex Wolfe

An Introduction to Multiplier Ideals

10/8/02

Alex Kuronya

Applications of Multiplier Ideals

10/15/02

Alex Kurnoya

Introduction to Casteluovo-Mumford regularity

10/22/02

Christoph Schulz

Calculating Seshadri Constants

10/29/02

Haggai Elitzur

The Koszul complex and its homology

11/5/02

Geoff Dietz

Regular, Gorenstein, and Cohen-Macaulay rings

1/21/03

Minh Nguyen

Introduction to Elliptic Surfaces I (notes)

1/28/03

Minh Nguyen

Introduction to Elliptic Surfaces II (notes)

2/4/03

Geoff Dietz

Injective Modules and Injective Hulls

2/11/03

Hailong Dao

A Mild Introduction to Tight Closure

2/18/03

Zach Teitler

Some Chern Class Computations

3/11/03

Haggai Elitzur

An Introduction to Spectral Sequences

3/18/03

Ravi Vakil

Points in P^1 and outer automorphisms of S_n

3/25/03

Oscar Felgueiras

Some Rational Surfaces

4/1/03

Leonardo Mihalcea

Degeneracy Loci



Schedule of Talks (Winter 2002)

  • January 22: Alex Wolfe
    New Intersection Numbers and a Theorem of Takayama

  • January 29: Janis Stipins
    Computing some characters of branch curves

  • February 5: Paul Hacking
    Working in weighted projective spaces

  • February 19: Haggai Elitzur
    An example involving local cohomology and the extendability of regular functions

  • March 19: Zach Teitler
    Knots near the singular points of plane algebraic curves

  • March 26: Jessica Sidman
    Graph colorings and commutative algebra

  • April 2: Minh Nguyen
    Introduction to K3 surfaces

  • April 9: Alexander Yong
    Schubert expressions and nonnegativity of splitting coefficients

    Schedule of Talks (Fall 2001)

  • September 18: Janis Stipins
    Triple Covers in Algebraic Geometry

  • September 25: Jessica Sidman
    Castelnuovo-Mumford regularity basics

  • October 2: Dan Rogalski
    An Introduction to Non-commutative Projective Geometry

  • October 9: Alex Wolfe
    Integral Closure and the Briancon-Skoda Theorem with Applications.

  • October 16: Leo Mihalcea
    A canonical resolution of singularities for triple covers of surfaces

  • October 23: Haggai Elitzur
    Basics of Local Cohomology

  • October 30: Quang Minh Nguyen
    Chern classes and applications

  • November 6: Alex Yong
    Degree bounds for Grassmannian quantum multiplication

  • November 13:Ben Richert
    The mapping cone and minimal free resolutions

  • November 27: Alex Kuronya
    Introduction to canonical singularities

  • December 4: Mike Roth
    The Picard-Lefschetz Transformation

  • December 11: Tom Nevins
    Vector bundles on curves

    Schedule of Talks (Winter 2001)

  • January 22: Gavril Farkas
    Brill-Noether Loci and the Gonality Stratification of the Moduli Space of Curves .

  • January 29: Tom Weston
    An introduction to etale cohomology.

  • February 12: Thomas Garrity (Williams College)
    Using algebraic geometry to factor polynomials

  • February 19: Alex Kuronya
    Higher direct images of dualizing sheaves.

  • March 12: Angela Gibney
    Basic notions about cones of effective curves and divisors with applications to moduli spaces of n-pointed rational curves.

  • March 19: Janis Stipins
    Numerical semigroups and complete intersection curves in A^3.

  • March 26: Haggai Elitzur
    Grobner Bases and a Transportation Problem.

  • April 2: Ben Richert
    The betti numbers of finite length modules.

  • April 9: Leonardo Mihalcea
    Schubert Calculus on Grassmanians.

    Schedule of Talks (Fall 2000)

  • September 21: Marc Chardin (CNRS & Universite Paris 6),
    Bounds on Castelnuovo-Mumford regularity and some computational issues in projective geomtery.

  • September 28: Ana Bravo,
    On the multiplicity of the embedded hypersurfaces (this will be an expository talk based on a paper by O. Villamayor).

  • October 5: Manuel Blickle,
    Hilbert-Kunz multiplicity and regularity.

  • October 19: Florian Enescu,
    What is the Rees algebra of a module?(expository talk on results by D. Eisenbud, C. Huneke, B. Ulrich).

  • October 26: Jason Howald,
    Fun with multiplier ideals.

  • November 2: Quang Minh Nguyen,
    Lefschetz Hyperplane Theorem.

  • November 16: Jessica Sidman,
    The ideal membership problem, bounds, and Castelnuovo-Mumford Regularity.

  • November 30: Mihnea Popa,
    Stable base loci, multiplier ideals and a theorem of Nakamaye.

  • December 7: Prof. Karen Smith,
    Basic valuation theory with some new twists.

    Schedule of Talks (Winter 2000)

  • January 27: Tom Nevins (U of Chicago),
    Hilbert Schemes of Points.

  • February 3: Mihnea Popa,
    Global generation and normal generation on abelian varieties.

  • February 10: Florian Enescu,
    Ideals of linear type, d-sequences, approximation complexes.

  • March 9: Nandini Ranganathan,
    Cohen-Macaulay and Gorenstein properties of ring homomorphisms.

  • March 30: Claudia Miller,
    The MacRae Invariant and the First Local Chern Character.

  • April 6: Claudia MIller,
    The MacRae Invariant and the First Local Chern Character(part II).

  • April 13: Adela Vraciu,
    Strong Test Ideals.

    Schedule of Talks (Fall 1999)

  • September 23: Manuel Blickle,
    Poincare Lemma and Cartier Isomorphism for affine toric varieties.

  • October 21: Evangelos Mouroukos,
    An Introduction to Deligne's Hodge Theory.

  • October 28: Evangelos Mouroukos,
    An Introduction to Deligne's Hodge Theory (II).

  • November 4: Adela Vraciu,
    Tight Closure in Cubical Cone Rings.

  • November 11: Gary Kennedy,
    Tangent Star Cones.

  • November 18: Not meeting this week (see Keeler lectures).

  • November 25: Thanksgiving Holiday.

  • December 2: Dennis Keeler,
    Generalizations of Serre Vanishing.

  • December 9: Julia Gordon,
    Jacobians of curves: an introduction.

    Schedule of Talks (Winter 1999)

  • January 21: Laila Mainò,
    Compactifying the Generalized Jacobian of Stable Curves (I).

  • January 28: Adela Vraciu,
    The Uniform Artin-Rees Theorem.

  • February 4: Laila Mainò,
    Compactifying the Generalized Jacobian of Stable Curves (II).

  • February 11: Pasha Belorousski,
    Introduction to Moduli Problems in Algebraic Geometry.

  • February 18: Doug Hanes,
    The a-Invariant of a Graded K-Algebra.

  • February 23: Matthew Emerton,
    The Artin Approximation Theorem

  • March 11: Matthew Emerton,
    The Artin Approximation Theorem (II).

  • March 18: Not meeting this week

  • March 25: Florian Enescu,
    Singularities of F-Pure Rings of Dimension Two

  • April 1: Mike Roth,
    The Moduli Space of Curves

  • April 8: Anders Buch,
    Bott Vanishing for Toric Varieties

  • April 15: Sara Faridi,
    Strong F-Regularity in Homomorphic Images of Regular Rings

  • April 22: Mihnea Popa,
    Spectral Curves and Moduli Spaces of Vector Bundles

  • April 29: Not meeting this week; the seminar will resume in Fall