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Samuel Hopkins - Robust Mean Estimation in Nearly-Linear Time

Robust mean estimation is the following basic estimation question: given i.i.d. copies of a random vector X in d-dimensional Euclidean space of which a small constant fraction are corrupted, how well…

From  Kathryn Gentilello on December 6th, 2019 4 plays 0  

Alberto Stolfi - Evolution and Development of a Minimal Nervous System in our Closest Invertebrate Relatives

Animal behavior depends both on the intrinsic properties of individual neurons and how these neurons connect to and modulate one another. A major focus of modern neuroscience is to dissect behavior…

From  Kathryn Gentilello on December 6th, 2019 5 plays 0  

Jelani Nelson - Some new approaches to the heavy hitters problem

In the 'frequent items' problem one sees a sequence of items in a stream (e.g. a stream of words coming into a search query engine likeGoogle) and wants to report a small list of items…

From  Kathryn Gentilello on December 3rd, 2019 6 plays 0  

Yuhao Yi - Fast Approximation Algorithms and Complexity Analysis for Design of Networked Systems

This talk focuses on network design algorithms for optimizing average consensus dynamics, dynamics that are widely used for information diffusion and distributed coordination in networked control…

From  Kathryn Gentilello on December 3rd, 2019 6 plays 0  

Maryam Shanechi - Neural Decoding and Control of Multiscale Brain Networks: From Motor to Mood

In this talk, I first discuss our recent work on modeling, decoding, and controlling multisite human brain activity underlying mood states. I present a multiscale dynamical modeling framework that…

From  Kathryn Gentilello on November 25th, 2019 9 plays 0  

Michael Stryker - Two Forms of Plasticity in Adult Visual Cortex

Michael Stryker's laboratory studies the development and plasticity of the central visual system. Most of his laboratory's effort focuses on the role of neural activity in the primary…

From  Kathryn Gentilello on November 22nd, 2019 11 plays 0  

Where Brain, Machine, and Mind Collide - Intelligent Interactions with the Brain (I2B) - Day 1

Karen Rommelfanger: No longer unthinkable: Neuroethics questions for the 21st century neuroscientist Ranu Jung: The Bioethics of Implantable Biohybrid Systems Aaron Batista: Neuroethics and the…

From  Kathryn Gentilello on November 18th, 2019 10 plays 0  

Nima Anari - Rapidly Mixing Random Walks via Log-Concave Polynomials (Part 2)

(This is Part 2, continuation of Tuesday's lecture.)A fundamental tool used in sampling, counting, and inference problems is the Markov Chain Monte Carlo method, which uses random walks to solve…

From  Kathryn Gentilello on November 13th, 2019 7 plays 0  

Nima Anari - Rapidly Mixing Random Walks via Log-Concave Polynomials (Part 1)

A fundamental tool used in sampling, counting, and inference problems is the Markov Chain Monte Carlo method, which uses random walks to solve computational problems. The main parameter defining the…

From  Kathryn Gentilello on November 13th, 2019 9 plays 0  

Ravi Kumar - Algorithmic Discrete Choice

In this talk we consider random utility models for discrete choice. In discrete choice, the task is to select exactly one element from a discrete set of alternatives. We focus on algorithmic…

From  Kathryn Gentilello on November 13th, 2019 7 plays 0  

Rong Ge - What 2-layer neural nets can we optimize?

Optimizing neural networks is a highly nonconvex problem, and even optimizing a 2-layer neural network can be challenging. In the recent years many different approaches were proposed to learn 2-layer…

From  Kathryn Gentilello on November 12th, 2019 15 plays 0  

Nigel Pedersen - Epilepsy – Beyond the Local Network

While human research has emphasized the large-scale network disruptions in the epilepsies and their co-morbidities, basic science has typically focused on local networks. In rodents, more general…

From  Kathryn Gentilello on November 12th, 2019 4 plays 0  

Umang Bhaskar - Partial Function Extension with Applications to Learning and Property Testing

In partial function extension, we are given a partial function consisting of points from a domain and a function value at each point.Our objective is to determine if this partial function can be…

From  Kathryn Gentilello on October 30th, 2019 1 plays 0  

Javier Ávila - The Trouble with My Name

A humor-filled one-man show by Javier Avila that embraces the autobiographical journey of a man who moves between cultures to provide a fascinating perspective of American Latinos who struggle to…

From  Kathryn Gentilello on October 25th, 2019 2 plays 0  

Aubrey Kelly - Evolutionarily Conserved Mechanisms of Sociality

There is an extraordinary amount of variation in social behavior within and across species. However, when phenotypic convergence in behavior (e.g., sociality) is observed, it begs the question as to…

From  Kathryn Gentilello on October 17th, 2019 9 plays 0  

Thomas Rothvoss - Linear Size Sparsifier and the Geometry of the Operator Norm Ball

The Matrix Spencer Conjecture asks whether given n symmetric matrices in ℝn×n with eigenvalues in [−1,1] one can always find signs so that their signed sum has singular values bounded by…

From  Kathryn Gentilello on October 17th, 2019 2 plays 0