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KITP Conference: Rough Landscapes: From Physics to Algorithms
(Jan 7-11, 2019)
Coordinators: Giulio Biroli, Chiara Cammarota, Patrick Charbonneau, and Andrea Montanari

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Conference Overview | talks | PodcastXML | Schedule | PDF Schedule | Program Overview

Monday, Jan 07, 2019

Session Chair: Chiara Cammarota (King's College)

8:50am Lars Bildsten (KITP Director) Welcome[Podcast][Aud][Cam]
9:00am Sasha Rakhlin (MIT) TUTORIAL: Generalization and Overfitting -- Basic Concepts and Open Questions[Slides][Podcast][Aud][Cam]
10:30am

Morning Break-KITP Courtyard

11:00am Ricardo Zecchina (Polito) On the Existence and on the Role of Wide Flat Minima in Neural Networks Models[Podcast][Aud][Cam]
11:45am Yan Fyodorov
(King's College)
On Reconstructing Nonlinearly Encrypted Signals Corrupted by Noise[Slides][Podcast][Aud][Cam]
12:30pm

Lunch Break-KITP COURTYARD

2:00pm

FREE AFTERNOON-SHUTTLE AVAILABLE TO BWSCI

Tuesday, Jan 08, 2019

Session Chair: Giulio Biroli (ENS)

9:00am Marc Mézard (ENS-Paris) TUTORIAL: Disordered systems in Physics, Information Theory and Computer Science[Slides][Podcast][Aud][Cam]
10:30am

Morning Break-KITP COURTYARD

11:00am Michael Jordan (Berkeley) On Gradient-Based Optimization and Diffusions in High Dimensions[Slides][Podcast][Aud][Cam]
12:30pm

Lunch Break-KITP COURTYARD

Session Chair: Andrea Montanari (Stanford)

2:00pm Sho Yaida (FAIR) Glassy Slowdown and Amorphous Order[Slides][Podcast][Aud][Cam]
2:45pm Surya Ganguli (Stanford) An Analytic Theory for the Nonlinear Dynamics of Generalization in Deep Linear Network[Podcast][Aud][Cam]
3:30pm

Afternoon Break-KITP COURTYARD

4:00pm Lenka Zdeborova
(CEA-Saclay)
Algorithmic Barriers in High-dimensional Non-convex Landscapes[Podcast][Aud][Cam]
4:45pm Vardan Papyan (Stanford) Measuring the Spectrum of Deepnet Hessians[Slides][Podcast][Aud][Cam]
5:30pm

RECEPTION-KITP COURTYARD

6:00pm

SPECIAL EVENTS DINNER-KITP COURTYARD

8:00pm

SHUTTLE TO BWSCI

Wednesday, Jan 09, 2019

Session Chair: Chiara Cammarota (King's College)

9:00am Nathan Srebro (Chicago) TUTORIAL: Optimization Methods from a Machine Learning Perspective[Podcast][Aud][Cam]
10:30am

Morning Break-KITP COURTYARD

11:00am Yue Lu (Harvard) Spectral methods for nonconvex estimation and the landscapes of MIMO detection[Podcast][Aud][Cam]
11:45am Nike Sun (MIT) Capacity Lower Bound for the Ising Perceptron[Podcast][Aud][Cam]
12:30pm Maggie Sherriffs (KITP) Announcement-Follow-on program[Podcast][Aud][Cam]
12:35pm

Lunch Break-KITP COURTYARD

Session Chair: Andrea Montanari (Stanford)

2:00pm Po-Ling Loh (Wisconsin) The not-so-rough Landscape of Nonconvex M-estimators[Slides][Podcast][Aud][Cam]
2:45pm Antonio Auffinger
(Northwestern)
Energy Landscape of Mean Field Spin Glasses[Slides][Podcast][Aud][Cam]
3:30pm

Afternoon Break-KITP COURTYARD

4:00pm Matthieu Wyart (EPFL) Effect of a Jamming Transition on Loss Landscape and Generalization in Deep Learning
4:45pm Yuxin Chen (Princeton) Gradient descent with random initialization: Fast global convergence of Nonconvex Phase Retrieval[Slides][Podcast][Aud][Cam]
5:30pm All Participants Group discussion about open questions
6:00pm

SHUTTLE TO BWSCI

Thursday, Jan 10, 2019

Session Chair: Patrick Charbonneau (Duke)

9:00am Leticia Cugliandolo
(Sorbonne U)
TUTORIAL: Dynamics in High Dimensional Landscapes[Slides][Podcast][Aud][Cam]
10:30am

Morning Break-KITP COURTYARD

11:00am Daniel Fisher (Stanford) Evolutionary and Ecological Dynamics: Landscapes and Beyond
11:45am Deanna Needell (UCLA) Iterative Projective Approach for Linear Systems with Link to Deep Learning[Podcast][Aud][Cam]
12:30pm

Lunch Break-KITP COURTYARD

Session Chair: Lenka Zdeborova (CEA)

2:00pm Federico Ricci-Tersenghi
(La Sapienza)
Unexpected Behavior in the off Equilibrium Dynamics of Spin Glasses[Slides][Podcast][Aud][Cam]
2:45pm Gerard Benarous (NYU) Denoising Simple Tensors[Podcast][Aud][Cam]
3:30pm

Afternoon Break-KITP COURTYARD

3:45pm David Wales (Cambridge) Energy Landscapes: from Molecules and Nanodevices to Machine Learning[Slides][Podcast][Aud][Cam]
4:30pm Amir Dembo (Stanford) Dynamics for spherical spin glasses: disorder dependent initial conditions[Slides][Podcast][Aud][Cam]
5:15pm Nicolas Brunel (Duke) Dynamics of Neural Networks with Learning Rules Inferred from Data[Aud][Cam]
6:00pm

RECEPTION-KITP COURTYARD

6:00pm

SPECIAL EVENTS DINNER-KITP COURTYARD

8:00pm

SHUTTLE TO BWSCI

Friday, Jan 11, 2019

Session Chair: Leticia Cugliandolo (Sorbonne U)

9:00am Ankur Moitra (MIT) TUTORIAL Sum-of-Squares, with a View Towards Average-case Complexity[Podcast][Aud][Cam]
10:30am

Morning Break-KITP COURTYARD

11:00am Adel Javanmard (USC) Analysis of a Two-Layer Neural Network via Displacement Convexity[Slides][Podcast][Aud][Cam]
11:45am Roberto Oliveira (IMPA) Local Optima of the Sherrington-Kirkpatrick Hamiltonian[Podcast][Aud][Cam]
12:30pm

Lunch Break-KITP COURTYARD

2:00pm

CONFERENCE END SHUTTLE TO BWSCI *Also available to SB Airport and SB Airbus, Goleta location (See Registration Desk BEFORE FRIDAY to sign up.)

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