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Title: I'll prove the Fundamental Theorem of Algebra
Speaker: Sam Kim Affiliation: Department of Pure Math, University of Waterloo Room: MC 5501Abstract:
Gauss proved that complex polynomials always admit a root. I'll explain how he came to that conclusion and present a proof that rigorizes his argument in a nice way. You will only need to know a little vector calculus and the intermediate value theorem.
Title: RSKy Business
Speaker: Nathan Lindzey Affiliation: University of Waterloo Room: MC 6486Abstract:
We sketch the RobinsonSchenstedKnuth algorithm, then use it to glimpse into the representation theory of some classical combinatorial objects.
Title: The 8connected excluded minors for the class of quasigraphic matroids
Speaker: Rong Chen Affiliation: Fuzhou University Room: MC 5479Abstract:
The class of quasigraphic matroids, recently introduced by Geelen, Gerards, and Whittle, is minor closed and contains both liftedgraphic matroids and frame matroids, each of which generalises the class of graphic matroids.
Title: Enumeration in quantum algebras
Speaker: Jason Bell Affiliation: University of Waterloo Room: MC 5501Abstract:
Many of the classical algebras that occur in algebraic geometry and other mathematical fields have natural quantizations; that is, one can deform the multiplication rule using a parameter q, which has the property that when we specialize q at 1 we recover the classical object. As part of the general goal of understanding the representation theory of these rings, one often wants to understand the prime spectra of these algebras, that is, the collection of prime ideals in these rigs.
Title: A Short Introduction to Projective Geometry
Speaker: Chris Godsil Affiliation: University of Waterloo Room: MC 6486Abstract:
Basically, see the title. I will be considering the real and complex cases mainly, because that is
what is needed in quantum physics.
Title: Sequences: random, structured or something in between?
Speaker: Fan Chung Graham Affiliation:University of California, San Diego
Room: MC 5501Abstract:
There are many fundamental problems concerning sequences that arise in many areas of mathematics and computation. Typical problems include finding or avoiding patterns; testing or validating various `randomlike’ behavior; analyzing or comparing different statistics, etc.
Title: The Paulsen problem, continuous operator scaling, and smoothed analysis
Speaker: Tsz Chiu Kwok Affiliation: University of Waterloo Room: MC 5501Abstract:
The Paulsen problem is a basic open problem in operator theory: Given vectors u1, ..., un in Rd that are epsnearly satisfying the Parseval's condition and the equal norm condition, is it close to a set of vectors v1, ..., vn in Rd that exactly satisfy the Parseval's condition and the
equal norm condition? Given u1,..., un, we consider the squared distance to the set of exact solutions.
Title: Coordinate Descent Algorithms
Speaker: Julian Romero Affiliation: University of Waterloo Room: MC 5479Abstract:
We will be discussing the survey of Stephen J. Wright on coordinate descent algorithms. Coordinate descent algorithms solve optimization problems by successively performing approximate minimization along coordinate directions or coordinate hyperplanes. They have been used in applications for many years, and their popularity continues to grow because of their usefulness in data analysis, machine learning, and other areas of current interest.
Title: Progress on Continuous Quantum Walks
Speaker: Chris Godsil Affiliation: University of Waterloo Roon: MC 6486Abstract:
I will discuss the progress we’ve made in our work on continuous walks. I will start with old stuff (last November) and continue on to current stuff (this week).
Title: Extended odd holes and their blockers
Speaker:Ahmad Abdi
Affiliation: University of Waterloo Room: MC 5479Abstract:
Title: Some matrix problems in quantum information science
Speaker: ChiKwong Li Affiliation: College of William and Mary, IQC Room: MC 5501Abstract:
In this talk, we present some matrix results and techniques in solving certain optimization problems arising in quantum information science.
No quantum mechanics background is required.
Please email any errors or updates to our website support/editor.
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