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r programming and combinatorial optimization, and matroidtheory.
I will introduce them and some of the reasons ... sentable matroids.
I will assume no knowledge of matroidtheory.
This is joint work with Jim Geelen and Peter N... dependence.
They have become useful tools in the study of optimization, coding theory,
algebraic geometry, and more.
One class of mat... eration of lattice points in convex sets. Ehrhart theory is the systematic study of lattice point counting in dilations of polytop
Jun (Binghamton University)\\ **//Title//**: Matroidtheory for Algebraic Geometers \\ \\ **//Abstract//*... is is an expository talk based on a survey paper "MatroidTheory for Algebraic Geometers" (by Eric Katz). We will introduce the basic definitions of matroidtheory in connection to tropical linear spaces and explai... ices as above. One of the main conclusions of our theory will be that Spec Z is ``intrinsically curved;" the study of this curvature will then be one of the main ta
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<HTML><li></HTML>**[[f12-matroids.html|Weekly StudySeminar on MatroidTheory]]**\\
//Time//: Wed., 3:30 - 4:30, beginning **We... to the basics of matroids, based on James Oxley, MatroidTheory, second edition. Zaslavsky hopes to teach a course on matroidtheory in the spring; this could be (optional) preparation for it.<HTML></li></HTML><HT... li></HTML>**Tuesday, September 18**\\
Holiday: No seminar.<HTML></li></HTML>
<HTML><li></HTML>**Tuesday, Se
pologists Mayer and van Dantzig, and arise in the theory of hyperbolic dynamical systems as the Smale-Williams attractor. We will use ideas from shape theory to show that homotopy equivalences of a solenoid ... me permits, we will say a word on the Teichmuller theory of the full solenoid over a closed hyperbolic sur... hen, many mathematicians have used trisections to study 4-manifolds from various perspectives: from morse
split pseudometric and, for
tree-like metrics, we study the combinatorics of its underlying matroid.
We give explicit formulas for the face numbers o... opology is no longer discrete, which allows us to study these mapping class groups from the perspective of topological group theory. We will explain how to see that mapping class groups are Polish groups a... solvable $S$-arithmetic groups via discrete Morse theory on Euclidean buildings.** <WRAP box>//Abstract: /
n the result is a matroid, and we say that such a matroid is representable (over F). The original motivating problem in matroidtheory involves deciding which matroids are representable and which are not. A large f... oblem.
This talk will be both an introduction to matroidtheory and an examination of two different methods for c... roids. The first method involves excluded minors. Matroid minors are exact analogues of graph minors: we ca
====== StudySeminar on MatroidTheory ======
===== FALL 2012 =====
[[http://www.anybrowser.org/campaign/|Best Viewed With Any Br... to the basics of matroids, based on James Oxley, MatroidTheory, second edition. Zaslavsky hopes to teach a course on matroidtheory in the spring; this could be (optional) preparation for it.
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**Wednesday,... 14**\\
Tom Zaslavsky\\
Why matroids? Or, what is matroidtheory about? (With a quick explanation of orthogonal du
tract: //A fundamental problem in geometric group theory is the
study of quasi-actions. We introduce and ... l be given by Laura Anderson in the Combinatorics Seminar (on 4/6). In these two talks we'll explain their ... their proof is an alternative form of Chern-Weil theory, which will be the topic of Part 1. \\
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... complex of the covector set of a tropical phased matroid.\\
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* **May 6** \\ Speaker: **Wouter