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Friday, March 15, 2019 - 12:00 ,
Location: Skiles 006 ,
Trevor Gunn ,
Georgia Tech ,
Organizer: Trevor Gunn

I will introduce briefly the notion of Berkovich analytic spaces and certain metric graphs associated to them called the skeleton. Then we will describe divisors on metric graphs and a lifting theorem that allows us to find tropicalizations of curves in P^3. This is joint work with Philipp Jell.

Friday, February 22, 2019 - 12:00 ,
Location: Skile 006 ,
Cvetelina Hill ,
Georgia Tech ,
cvetelina.hill@gatech.edu ,
Organizer: Cvetelina Hill

Friday, February 1, 2019 - 12:00 ,
Location: Skiles 006 ,
Tianyi Zhang ,
Georgia Tech ,
Organizer: Trevor Gunn

Friday, January 25, 2019 - 12:00 ,
Location: Skiles 005 ,
Tim Duff ,
Georgia Tech ,
Organizer: Trevor Gunn

Bring a laptop with Macaulay 2 installed.

Thursday, November 15, 2018 - 13:30 ,
Location: Skiles 006 ,
Marcel Celaya ,
Georgia Tech ,
Organizer: Trevor Gunn

Thursday, November 8, 2018 - 13:30 ,
Location: Skiles 006 ,
Stephen McKean ,
Georgia Tech ,
Organizer: Trevor Gunn

In 1986, Herb Clemens conjectured that on a general quintic threefold, there are finitely many rational curves of any given degree. In this talk, we will give a survey of what is known about this conjecture. We will also highlight the connections between enumerative geometry and physics that arise in studying the quintic threefold.

Thursday, October 25, 2018 - 13:30 ,
Location: Skiles 006 ,
Daniel Minahan ,
Georgia Tech ,
Organizer: Trevor Gunn

We will discuss some basic concepts in étale cohomology and compare them
to the more explicit constructions in both algebraic geometry
and algebraic topology.

Thursday, October 18, 2018 - 13:30 ,
Location: Skiles 006 ,
Trevor Gunn ,
Georgia Tech ,
Organizer: Trevor Gunn

We will go over a short proof of the Littlewood-Richardson Rule due to Stembridge as well as some related combinatorics of tableaux.

Thursday, October 11, 2018 - 13:30 ,
Location: Skiles 006 ,
Trevor Gunn ,
Georgia Tech ,
Organizer: Trevor Gunn

I will discuss some elementary theory of symmetric functions and give a brief introduction to representation theory with a focus on the symmetric groups. This talk relates to the discussion of Schubert calculus in the intersection theory reading course but can be understood independent of attending the reading course.

Thursday, October 4, 2018 - 13:30 ,
Location: Skiles 006 ,
Daniel Minahan ,
Georgia Tech ,
Organizer: Trevor Gunn

We discuss the construction of spectral sequences and some of their
applications to algebraic geometry, including the classic Leray spectral
sequence. We will draw a lot of diagrams and try to avoid doing
anything involving lots of indices for a portion of the talk.