Seminars and Colloquia by Series

Meeting on Applied Algebraic Geometry

Series
Time
Saturday, April 15, 2023 - 09:15 for 8 hours (full day)
Location
Skiles 005/006 and Atrium
Speaker

The Meeting on Applied Algebraic Geometry (MAAG 2023) is a regional gathering which attracts participants primarily from the South-East of the United States. Previous meetings took place at Georgia Tech in 2015, 2018, and 2019, and at Clemson in 2016.

For more information and to register, please visit https://sites.google.com/view/maag-2023. The registration is free until February 28th, 2023, and the registration fee will become $50 after that. 

MAAG will be followed by a Macaulay2 Day on April 16.

Organizers: Abeer Al Ahmadieh, Greg Blekherman, Anton Leykin, and Josephine Yu.

Algebra and combinatorics of intersection bodies of polytopes.

Series
Algebra Seminar
Time
Monday, April 10, 2023 - 10:20 for 1.5 hours (actually 80 minutes)
Location
Skiles 005
Speaker
Chiara Meroni Max Planck Institute for Mathematics in the Sciences

Intersection bodies are a popular construction in convex geometry. I will give an introduction on these objects, convex algebraic geometry, and starshaped sets in general. Then, we will analyze some features of intersection bodies and focus on the polyotopal case. Intersection bodies of polytopes are always semialgebraic sets and they are naturally related to hyperplane arrangements, which reveal their boundary structure. Finally, we will investigate their convexity, in the two-dimensional case. The exposition will be enriched by examples and computations. This is based on joint works with Katalin Berlow, Marie-Charlotte Brandenburg and Isabelle Shankar.

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