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April 2019

Cleveland Waddell, NC State, Parametric Linear Sysstem Solving with Error Correction

April 22 | 1:00 pm - 3:00 pm EDT

Aram Dermenjian, University of Quebec at Montreal, Facial weak order in hyperplane arrangements

April 22 | 3:00 pm - 4:00 pm EDT

We discuss the facial weak order, a poset structure that extends the poset of regions on a central hyperplane arrangement to the set of all faces of the arrangement which was first introduced on the braid arrangements by Krob, Latapy, Novelli, Phan and…

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Brown Bag Lunch

April 23 | 12:00 pm - 1:00 pm EDT

John Perry, University of Southern Mississippi, The dynamic approach to Gröbner basis computation

April 23 | 4:30 pm - 5:30 pm EDT

Most algorithms to compute a Gröbner basis are “static”, inasmuch as they require as input both a set of polynomials and a term ordering, and preserve the term ordering throughout the computation.  This talk presents ongoing work on “dynamic” Buchberger…

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Brown Bag Lunch – moved to SAS 3281

April 24 | 12:00 pm - 1:00 pm EDT

Join us tomorrow Wednesdays from 12:00-1:00 in the math graduate lounge for our weekly brown bag lunch. As a reminder all are welcomed including undergraduate students!

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Oleksandr Misiats, Virginia Commonwealth University, Patterns around us: a calculus of variations prospective

April 24 | 3:00 pm - 4:00 pm EDT

Crumples in a sheet of paper, wrinkles on curtains, cracks in metallic alloys, and defects in superconductors are examples of patterns in materials. A thorough understanding of the underlying phenomenon behind the pattern formation provides a different prospective on the properties…

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Alex Chandler and Rob DeYeso, NC State, Spectral sequences between knot homologies

April 24 | 3:00 pm - 4:00 pm EDT

Math Honors Undergraduate Research Presentation: Geneva Collins, Erin Beaton, Natalie Cody and Ethan Dudley, NC State

April 25 | 12:30 pm - 1:30 pm EDT

Geneva Collins Title : Automatic Geometric Theorem Proving: Sangaku From an Algebraic PerspectiveAbstract: During the Edo period (1603-1867 CE) Japan was almost completely closed off from the rest of the world and developed its own mathematical tradition called wasan. Part…

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Faye Pasley Simon, NC State, Determinantal Representations, Invariance, and the Numerical Range

April 26 | 10:00 am - 12:00 pm EDT

Yuanan Diao, Department of Mathematics and Statistics, UNC Charlotte, Braid Index Bounds Ropelength From Below

April 26 | 12:00 pm - 1:00 pm EDT

For an un-oriented link K, let L(K) be the ropelength of K. It is known that in general L(K) is at least of the order O((Cr(K))3/4), and at most of the order O(Cr(K) ln5 (Cr(K)) where Cr(K) is the minimum crossing number of…

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Michael Ruddy, NC State, The Equivalence Problem and Signatures of Algebraic Curves

April 26 | 2:00 pm - 4:00 pm EDT

Claire Zajaczkowski, NC State, Surgery Obstructions for Seifert Fibered Integral Homology Spheres

April 29 | 10:00 am - 5:00 pm EDT

May 2019

Molly Lynch, NC State, Topological and Algebraic Combinatorics of Crystal Posets

May 3 | 3:00 pm - 5:00 pm EDT

Math Teachers’ Circle Workshop: Arvind Saibaba, Medical Imaging and other real life uses for mathematics

May 4 | 10:00 am - 12:00 pm EDT

From ultrasound scanners used before birth to environmental sensors that monitor the pathways of harmful substances, imaging technologies play an important role in human lives. In this workshop, I will explain some of the mathematical ideas behind image reconstructions: how they work, what their…

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Krzysztof Putyra, University of Zurich, An equivalence between gl(2)-foams and Bar-Natan cobordisms

May 6 | 3:00 pm - 4:00 pm EDT

The original construction of the Khovanov homology of a link can be seen as a formal complex in the category of flat tangles and surfaces between them. There is a way to associate a chain map with a link cobordism, but only up…

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Spring 2019 NC State Mathematics Graduation Ceremony

May 10 | 10:00 am - 12:00 pm EDT

The Math Graduation Ceremony for Spring 2019 will be held on Friday, May 10th at 10:00am in the McKimmon Center. Directions for the McKimmon Center is located here.

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Diversity and Inclusion Brown Bag Lunch

May 28 | 12:00 pm - 1:00 pm EDT

Di Bucklad’s Retirement Celebration

May 29 | 3:00 pm - 4:00 pm EDT

Di will be retiring June 1, 2019. Di has  almost twenty-seven years of service to the state and and almost exactly 19 years with the department. Please join us in celebrating her retirement.

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June 2019

Caprice Stanley, NC State, Markov Chain Mixing Times

June 4 | 10:00 am - 12:00 pm EDT

Diversity and Inclusion Brown Bag Lunch

June 25 | 12:00 pm - 1:00 pm EDT
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