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August 2019

Bojko Bakalov, Alun Lloyd

August 23 | 3:00 pm - 4:00 pm EDT

Diversity and Inclusion Brown Bag Lunch

August 27 | 12:00 pm - 1:00 pm EDT

Irina Kogan, NC State, A Generalization of an Integrability Theorem of Darboux

August 27 | 1:30 pm - 2:30 pm EDT

In his monograph “Systèmes Orthogonaux” (Leçons sur les systèmes orthogonaux et les coordonnées curvilignes, Gauthier-Villars, Paris, 1910), Darboux stated three theorems providing local existence and uniqueness of solutions to first order systems of PDEs, where for each unknown function a certain subset of partial…

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Philippe Angot, Aix-Marseille Universite, Recent advances on vector penalty-projection methods for low-Mach multiphase flows with strong stresses and open boundary conditions

August 27 | 3:00 pm - 4:00 pm EDT

We discuss the efficiency of recent advances on the vector penalty-projection methods including the kinematic version which uses fast discrete Helmholtz-Hodge decompositions on edge-based generalized MAC-type unstructured meshes. These methods are especially designed for the computation of incompressible or low-Mach…

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Ice Cream Social

August 28 | 3:30 pm - 4:00 pm EDT

There will an ice cream served before the meeting starting at 3:30PM in SAS 4104.

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Mathematics Departmental Meeting

August 28 | 4:00 pm - 5:30 pm EDT

Dean Chris McGahan will join us for the first 30 minutes of our meeting and will hold a Q&A session There will an ice cream served before the meeting starting at 3:30PM in SAS 4104

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Introduction to SIAM

August 29 | 4:00 pm - 5:00 pm EDT

The SIAM student chapter will be hosting an introductory lecture aimed at Undergraduates and Graduate students on national SIAM events, SIAM resources, and upcoming student chapter events. Cookies and coffee will be provided.

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September 2019

Quoc Tran-Dinh, UNC-Chapel Hill Dept. of Statistics and Operations Research, Smooth Structures in Convex Functions and Applications to Proximal-Based Methods

September 3 | 3:00 pm - 4:00 pm EDT

In this talk, we demonstrate one way of exploiting smooth structures hidden in convex functions to develop optimization algorithms. Our key idea is to generalize a powerful concept so-called "self-concordance" introduced by Y. Nesterov and A. Nemirovskii to a broader class of convex functions.…

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Applying for Graduate Research Fellowships

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

Speaker:  Seth Sullivant This presentation will explain the ins and outs of applying for graduate research fellowships, with special emphasis on the NSF graduate research fellowship.

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Corey Jones, Ohio State University, Vanishing of categorical obstructions for permutation orbifolds

September 9 | 3:00 pm - 4:00 pm EDT

Modular tensor categories are rich mathematical structures. They are important in the study of 2D conformal field theory, arising as categories of modules for rational vertex operator algebras. The orbifold construction A-> A^{G}  for a finite group G is a fundamental method for producing…

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Sherry Gong, UCLA

September 10 | 1:30 pm - 2:30 pm EDT

Tea and Cookies

September 11 | 2:30 pm - 3:00 pm EDT

Ryan Murray, Ralph Smith

September 13 | 3:00 pm - 4:00 pm EDT

Tea and Cookies

September 18 | 2:30 pm - 3:00 pm EDT

Meet the Staff

September 20 | 3:00 pm - 4:00 pm EDT

All of the math department staff relevant for graduate students will be here to tell you what they do and answer your pressing questions.

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Diversity and Inclusion Brown Bag Lunch

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

Tea and Cookies

September 25 | 2:30 pm - 3:00 pm EDT

Mohammad Farazmand, Agnes Szanto

September 27 | 3:00 pm - 4:00 pm EDT

Emily Gunawan, University of Connecticut

September 30 | 3:00 pm - 4:00 pm EDT

October 2019

Jon Stallrich, NC State, Sign-Informative Design and Analysis of Supersaturated Designs

October 1 | 3:00 pm - 4:00 pm EDT

Much of the literature on the design and analysis of supersaturated designs (SSDs), in which the number of factors exceeds the number of runs, rests on design principles assuming a least-squares analysis.  More recently, researchers have discovered the potential of analyzing SSDs with penalized…

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