Da Rong Cheng, Department of Pure Mathematics, University of Waterloo
"Non-minimizing solutions to the Ginzburg-Landau equations"
Da Rong Cheng, Department of Pure Mathematics, University of Waterloo
"Non-minimizing solutions to the Ginzburg-Landau equations (Part 2)"
Shengda Hu, Wilfrid Laurier University
"Some computations for connections in generalized geometry"
We look at generalized connections on a Riemannian manifold. We will consider curvature in generalized geometry and look to extend classical computations to the generalized situation.
Zoom meeting: contact Spiro Karigiannis (karigiannis@uwaterloo.ca) or Ragini Singhal (r4singha@uwaterloo.ca) for link.
Spiro Karigiannis, Department of Pure Mathematics, University of Waterloo
"Decomposition of curvature tensor for metrics with torsion"
I will first review the classical decomposition of the Riemann curvature tensor into scalar, traceless Ricci, and Weyl curvature, with an emphasis on special features in dimensions 3 and 4. Then I will consider the more general case of a metric compatible connection with torsion, and see how this decomposition generalizes.
Shuo Gao, Department of Pure Mathematics, University of Waterloo
"Introduction to Elementary Sieve"
This talk aims at introducing sieve theory in an elementary way. Sieve problem and two elementary sieves - larger sieve and square sieve - will be discussed in detail, as well as their applications and a broad overview of the historical development of sieve theory. Some standard results including the Mobius inversion formula will also be covered in this talk to make the proof self-contained.
Jason Siefken, University of Toronto
"Onboarding Instructors to an Active Learning Class"
Shayla Redlin, Department of Combinatorics & Optimization, University of Waterloo
"Counting Antichains in the Boolean Lattice"
Spiro Karigiannis, Department of Pure Mathematics, University of Waterloo
Last time we reviewed the classical decomposition of the Riemann curvature tensor into scalar, traceless Ricci, and Weyl curvature. This time we will examine special features in dimensions 3 and 4. Then I will consider the more general case of a metric compatible connection with torsion, and see how this decomposition generalizes.
Katarina Spasojevic, USRA, Department of Pure Mathematics, University of Waterloo
Sean Monahan, Department of Pure Mathematics, University of Waterloo
"An introduction to toric varieties"
Toric varieties are a special kind of variety equipped with a group action from an algebraic torus. These varieties are very nice to work with because they have a combinatorial interpretation involving polyhedral geometry. I will (very quickly) introduce toric varieties and focus on some concrete examples.
The seminar will meet on Zoom.
Meeting ID: 811 2094 8164
Passcode: 033003