• Click on the titles of individual talks for abstract, slides and archived video (if applicable).

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Coffee and Check-In
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Opening Remarks
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Explicit Constructions of Two-Source Extractors and Ramsey Graphs

Eshan Chattopadhyay, Institute for Advanced Study
Video
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Correlation Breakers, Independence-Preserving Mergers, and their Applications

Gil Cohen, Princeton University
Video
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Break
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An Efficient Reduction from Non-Malleable Extractors to Two-Source Extractors, and Explicit Two-Source Extractors with Near-Logarithmic Min-Entropy

Amnon Ta-Shma, Tel Aviv University
Video
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Lunch
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Extractors for Algebraic Sources

Zeev Dvir, Princeton University
Video
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Ramanujan Covers

Will Sawin, ,
ETH Zurich
Video
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Break
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Two Existence Proofs of Ramanujan Graphs

Adam Marcus, Princeton University
Video
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Reception
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Coffee and Check-In
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Some of My Favorite Open Problems on Expanders and Extractors

Avi Wigderson, Institute for Advanced Study
Video
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High Dimensional Expanders and PCPs

Irit Dinur, Weizmann Institute
Video
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Break
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Discrete Log Problem with Respect to the LPS generators on PGL_2

Naser Talebizadeh Sardari, Princeton University
Video
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Lunch
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Golden Gates, Ramanujan Complexes and Ramanujan Digraphs

Ori Parzanchevski, Hebrew University of Jerusalem
Video
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Super-Approximation

Alireza Salehi Golsefidy, UC San Diego
Video
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Break
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Markoff Triples and Strong Approximation

Alex Gamburd, City University of New York
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Coffee and Check-In
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High Dimensional Expanders

Alex Lubotzky, Hebrew University of Jerusalem
Video
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Bounded Degree High Dimensional Expanders and Topological Overlapping

Tali Kaufman, Bar-Ilan University
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Break
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Random Walks on Ramanujan Graphs, Digraphs and Complexes

Eyal Lubetzky, Courant Institute
Video
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Lunch
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Free Afternoon
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Break
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Open Problems Session
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Coffee and Check-In
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A Generalized Alon-Boppana Bound and Weak Ramanujan Graphs

Fan Chung, UC San Diego
Video
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Word-Measures on Unitary Groups

Doron Puder, Tel Aviv University
Video
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Break
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What are High-Dimensional Expanders?

Nati Linial, Hebrew University of Jerusalem
Video
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Lunch
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(Yet More) List-Decodability of Random Linear Codes

Mary Wootters, Stanford University
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Expander-Based Constructions of Locally Testable and Locally Decodable Codes

Noga,
Ron-Zewi,
Ben,
Gurion,
University
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Break
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Pseudorandomness When the Odds Are Against You

Ronen Shaltiel, University of Haifa
Video
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Coffee and Check-In
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Finding and Using Expanders in Locally Sparse Graphs and in Sparse Random Graphs

Michael Krivelevich, Tel Aviv University
Video
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Spectral Gaps and Geometric Representations

Amir Yehudayoff, Technion Israel Institute of Technology
Video
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Break
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Improved Deterministic Randomness Extraction from Non-Binary Santha-Vazirani Sources

Siyao Guo, New York University
Video
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Lunch
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The Diameter of the Symmetric Group: Ideas and Tools

Harald,
Helfgott, University of Göttingen
Video