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Friday, November 15, 2013 3:30 pm - 3:30 pm EST (GMT -05:00)

Analysis seminar

Raphael Clouatre, Department of Pure Mathematics, University of Waterloo

Monday, November 18, 2013 3:30 pm - 3:30 pm EST (GMT -05:00)

Special colloquium

Bohan Fang, Columbia University

"All genus mirror symmetry for toric Calabi-Yau 3-orbifolds"

Mirror symmetry, as a duality from string physics, predicts A-model theories (Gromov-Witten invariants, Fukaya categories) on a Calabi-Yau manifold from the B-model theories (variations of Hodge structures, etc.) on its mirror manifold.

Tuesday, November 19, 2013 10:30 am - 10:30 am EST (GMT -05:00)

Constraint Satisfaction and Universal Algebra learning seminar

Ross Willard, Department of Pure Mathematics, University of Waterloo

“Congruence meet semi-distributive varieties”

Feder and Vardi conjectured that a fixed-template constraint satisfaction problem CSP(D) is solvable by local consistency methods if and only if it cannot simulate linea

Tuesday, November 19, 2013 3:30 pm - 3:30 pm EST (GMT -05:00)

Geometry & Topology seminar

Ruxandra Moraru, Department of Pure Mathematics, University of Waterloo

“A Kobayashi-Hitchin correspondence for generalized Kaehler manifolds”

Wednesday, November 20, 2013 2:30 pm - 2:30 pm EST (GMT -05:00)

Algebra seminar

Eleonore Faber, University of Toronto

“Free and splayed divisors: singularities and transversality”

Free divisors are certain non-normal hypersurfaces in a complex manifold, whose singular loci have nice algebraic properties: the Jacobian ideals are Maximal Cohen Macaulay modules for the hypersurface rings.

Thursday, November 21, 2013 1:30 pm - 1:30 pm EST (GMT -05:00)

Number Theory seminar

Julian Rosen, Department of Pure Mathematics, University of Waterloo

“Multiple zeta values and multiple harmonic sums”

Multiple zeta values are a family of real numbers defined by infinite series, generalizing the values of the ordinary Riemann zeta function at positive integers.

Friday, November 22, 2013 2:30 pm - 2:30 pm EST (GMT -05:00)

Universal Algebra seminar

Ross Willard, Department of Pure Mathematics, University of Waterloo

“Varieties with a difference term.

Monday, November 25, 2013 4:00 pm - 4:00 pm EST (GMT -05:00)

Pure Math colloquium

Chelsea Walton, Massachusetts Institute of Technology 

“Noncommutative Invariant Theory”

Invariant Theory is a beautiful field. The area dates back over 100 years to the work of Hilbert, Klein, Gauss, and many others. It is a very active area of research today, particularly from the view- point of algebraic geometry and combinatorics.

Tuesday, November 26, 2013 10:30 am - 10:30 am EST (GMT -05:00)

Constraint Satisfaction and Universal Algebra learning seminar

Ian Payne, Department of Pure Mathematics, University of Waterloo 

“The Journey to the Bounded Width conjecture”

I will go through some more of Barto and Kozik’s consequences of absorption.