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March 2021

Bekah White, NC State, Inferring the microstructural properties of cortical bone from ultrasound attenuation

March 8 | 9:00 am - 11:00 am EST
Zoom,

Chair: Alen Alexanderian (alexanderian@ncsu.edu, contact for Zoom access)

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Diversity and Inclusion Brown Bag Lunch via Zoom

March 8 | 12:00 pm - 1:00 pm EST
|Recurring Event (See all)

An event every 2 weeks that begins at 12:00 pm on Monday, repeating until April 19, 2021

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Mateusz Kwaśnicki, Wrocław University of Science and Technology, Poland

March 8 | 3:00 pm - 4:00 pm EST
Zoom,

Zoom ID: 939 3643 7199 (opens 15 min prior to the meeting) Passcode: 9917

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Hédy Attouch, Université Montpellier II, France, Acceleration of first-order optimization algorithms via inertial dynamics with Hessian driven damping

March 10 | 3:00 pm - 4:00 pm EST
Zoom,

In a Hilbert space, for convex optimization, we report on recent advances regarding the acceleration of first-order algorithms. We rely on inertial dynamics with damping driven by the Hessian, and the link between continuous dynamic systems and algorithms obtained by…

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Vladimir Baranovsky (UC Irvine), Integral model for graph configuration spaces

March 11 | 2:00 pm - 3:00 pm EST
Zoom,

This is a report on the joint work with Matthew Levy. We use surjection operations on integral cochains tof a topological space X (described by McClure-Smith and Berger-Fresse) to describe a complex computing (co)homology of the cartesian power of X…

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Rekha Thomas, When Two Cameras Meet a Cubic Surface

March 11 | 4:30 pm - 5:30 pm EST
Zoom,

An important problem in computer vision is to understand the space of  images that can be captured by an arrangement of cameras. A description of this space allows for statistical estimation methods to reconstruct  three-dimensional models of the scene that…

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Mansoor Haider and Seth Sullivant

March 12 | 3:00 pm - 4:00 pm EST
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‪Steven Heilman, University of Southern California, Three Candidate Plurality is Stablest for Small Correlations

March 15 | 3:00 pm - 4:00 pm EDT
Zoom,

Suppose we model n votes in an election between two candidates as n i.i.d. uniform random variables in {-1,1}, so that 1 represents a vote for the first candidate, and -1 represents a vote for the other candidate. Then, for…

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Alexander Reznikov, Florida State University

March 17 | 3:00 pm - 4:00 pm EDT
Zoom,

Zoom meeting: Link

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Seth Sullivant, How to Give a Terrible Talk

March 19 | 3:00 pm - 4:00 pm EDT
Zoom,

Diversity and Inclusion Brown Bag Lunch via Zoom

March 22 | 12:00 pm - 1:00 pm EDT
|Recurring Event (See all)

An event every 2 weeks that begins at 12:00 pm on Monday, repeating until April 19, 2021

Zoom,

Jane Coons, NC State, Applications of toric geometry in algebraic statistics

March 22 | 4:00 pm - 6:00 pm EDT
Zoom,

Chair: Seth Sullivant (smsulli2@ncsu.edu, contact for Zoom access)

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Silvia Gazzola, University of Bath, Iterative regularization methods for large-scale linear inverse problems

March 23 | 3:00 pm - 4:00 pm EDT
Zoom,

 Inverse problems are ubiquitous in many areas of Science and Engineering and, once discretized, they lead to ill-conditioned linear systems, often of huge dimensions: regularization consists in replacing the original system by a nearby problem with better numerical properties, in…

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Helen Cleaves, NC State, Global sensitivity analysis and reducing order modeling for high-dimensional systems

March 26 | 1:00 pm - 4:00 pm EDT
Zoom,

Chair: Alen Alexanderian (alexanderian@ncsu.edu, contact for Zoom access)

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Jack Silverstein and Ryan Murray

March 26 | 3:00 pm - 4:00 pm EDT
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Lars Ruthotto, Emory University

March 30 | 3:00 pm - 4:00 pm EDT
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Roberto Cominetti, Universidad Adolfo Ibáñez, Chile, Convergence rates for Krasnoselskii-Mann fixed-point iterations

March 31 | 3:00 pm - 4:00 pm EDT
Zoom,

A popular method to approximate a fixed point of a non-expansive map is C is the Krasnoselskii-Mann iteration. This covers a wide range of iterative methods in convex minimization, equilibria, and beyond. In the Euclidean setting, a flexible method to…

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April 2021

Prerona Dutta, NC State, Metric entropy and nonlinear partial differential equations

April 1 | 1:00 pm - 3:00 pm EDT
Zoom,

Chair: Seth Sullivant (smsulli2@ncsu.edu, contact for Zoom access)

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Vakhtang Putkaradze, Variational Methods for Active Porous Media

April 1 | 4:30 pm - 5:30 pm EDT
Zoom,

Many biological organisms are comprised of deformable porous media, with additional complexity of an embedded muscle. Using geometric variational methods, we derive the equations of motion for the dynamics of such active porous media. The use of variational methods allows…

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Diversity and Inclusion Brown Bag Lunch via Zoom

April 5 | 12:00 pm - 1:00 pm EDT
|Recurring Event (See all)

An event every 2 weeks that begins at 12:00 pm on Monday, repeating until April 19, 2021

Zoom,
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