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Past Events › LIDS Seminar Series

Distinguished speakers provide an overview and discuss recent progress in research areas spanning communications, computation, control, learning, networks, probability and statistics, optimization, and signal processing. Intended for a broad audience.

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November 2020

LIDS Seminar – Kamalika Chaudhuri (University of California San Diego)

November 16, 2020 @ 4:00 pm - 5:00 pm

Kamalika Chaudhuri (University of California San Diego)

Online

TBD Bio: ____________________________________ The LIDS Seminar Series features distinguished speakers who provide an overview of a research area, as well as exciting recent progress in that area. Intended for a broad audience, seminar topics span the areas of communications, computation, control, learning, networks, probability and statistics, optimization, and signal processing. 

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LIDS Seminar – Mary Wootters (Stanford)

November 9, 2020 @ 4:00 pm - 5:00 pm

Mary Wootters (Stanford)

Online

TBD Bio: ******************************************** The LIDS Seminar Series features distinguished speakers who provide an overview of a research area, as well as exciting recent progress in that area. Intended for a broad audience, seminar topics span the areas of communications, computation, control, learning, networks, probability and statistics, optimization, and signal processing. 

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October 2020

Hadamard Diff erential Calculus and Applications

October 26, 2020 @ 4:00 pm - 5:00 pm

Michel Delfour (Université de Montréal)

Online

ABSTRACT The Hadamard differential was introduced in 1923 by Hadamard and promoted in 1937 by Fréchet who extended it to vector spaces of functions. Infinite dimension is equivalent to the Fréchet differential introduced in 1911, but in function spaces, Hadamard is more general than Fréchet, which is restricted to normed vector spaces. In 1978 Penot gave the appropriate definition of a semi-differential in the sense of Hadamard by using semi-paths with a semi-tangent. The Hadamard semidifferentiable functions are probably the…

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SOAP: New Breakthroughs in Scheduling Theory

October 19, 2020 @ 4:00 pm - 5:00 pm

Mor Harchol-Balter (Carnegie Mellon University)

Online

ABSTRACT Scheduling policies are at the heart of computer systems. The right scheduling policy can dramatically reduce response times, ensure fairness, provide class-based priority, etc., without requiring additional resources. While stochastic response time analysis of different scheduling policies has been the focus of thousands of theoretical papers, results are limited to analyzing a relatively small number of "simple" scheduling policies. In this talk, we introduce the SOAP class of scheduling policies: Schedule Ordered by Age-based Priority. The SOAP policies include…

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September 2020

Distributed Machine Learning over Networks

September 28, 2020 @ 11:00 am - 12:00 pm

Francis Bach (INRIA)

Online

ABSTRACT The success of machine learning models is in part due to their capacity to train on large amounts of data. Distributed systems are the common way to process more data than one computer can store, but they can also be used to increase the pace at which models are trained by splitting the work among many computing nodes. In this talk, I will study the corresponding problem of minimizing a sum of functions which are respectively accessible by separate…

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November 2019

LIDS Seminar – Rayadurgam Srikant (University of Illinois at Urbana-Champaign)

November 25, 2019 @ 4:00 pm - 5:00 pm

Rayadurgam Srikant (University of Illinois at Urbana-Champaign)

32-155

TBD Bio: ____________________________________ The LIDS Seminar Series features distinguished speakers who provide an overview of a research area, as well as exciting recent progress in that area. Intended for a broad audience, seminar topics span the areas of communications, computation, control, learning, networks, probability and statistics, optimization, and signal processing. 

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LIDS Seminar – Sujay Sanghavi (University of Texas at Austin)

November 18, 2019 @ 4:00 pm - 5:00 pm

Sujay Sanghavi (University of Texas at Austin)

32-155

TBD Bio: ____________________________________ The LIDS Seminar Series features distinguished speakers who provide an overview of a research area, as well as exciting recent progress in that area. Intended for a broad audience, seminar topics span the areas of communications, computation, control, learning, networks, probability and statistics, optimization, and signal processing. 

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October 2019

The Age of Information in Networks: Moments, Distributions, and Sampling

October 28, 2019 @ 4:00 pm - 5:00 pm

Roy Yates (Rutgers University)

32-155

We examine a source providing status updates to monitors through a network with state defined by a continuous-time finite Markov chain. Using an age of information (AoI) metric, we characterize timeliness by the vector of ages tracked by the monitors. Based on a stochastic hybrid systems (SHS) approach, we derive first-order linear differential equations for the temporal evolution of both the age moments and a moment generating function (MGF) of the age vector components. We show that the existence of…

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LIDS Seminar – George Pappas (University of Pennsylvania)

October 21, 2019 @ 4:00 pm - 5:00 pm

George Pappas (University of Pennsylvania)

32-155

TBD Bio: ____________________________________ The LIDS Seminar Series features distinguished speakers who provide an overview of a research area, as well as exciting recent progress in that area. Intended for a broad audience, seminar topics span the areas of communications, computation, control, learning, networks, probability and statistics, optimization, and signal processing. 

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Data-driven Coordination of Distributed Energy Resources

October 1, 2019 @ 4:00 pm - 5:00 pm

Alejandro Dominguez-Garcia (University of Illinois at Urbana-Champaign)

32-155

The integration of distributed energy resources (DERs), e.g., rooftop photovoltaics installations, electric energy storage devices, and flexible loads, is becoming prevalent. This integration poses numerous operational challenges on the lower-voltage systems to which the DERs are connected, but also creates new opportunities for the provision of grid services. In the first part of the talk, we discuss one such operational challenge—ensuring proper voltage regulation in the distribution network to which DERs are connected. To address this problem, we propose a…

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