OSI Lab Seminars

[previously] The ``RLHF Study Group’’ has been dissolved on 2025.01.05.

[previously] OSI Lab has divided the global seminar into several divisions based on the topics. I was in charge of the Theory division til 2024.06.11, when it dissolved and converted to ``RLHF Study Group.''

[previously] OSI Lab (led by Prof. Se-Young Yun) holds a weekly seminar where each of 2 members, whose orders are assigned based on a fixed circular order, presents a paper of his/her own interest. The seminar is called off only when it overlaps with some major conference or exam period.

Entropic variants of SGD

Event Weekly OSI Lab Seminar Short summary In this seminar, I will talk about a line of works that propose a new definition of “flatness” for loss landscapes in terms of entropy, …

Dec 2, 2022 • 1 min read

Conference Week (AISATS & ICML 2022)

Event OSI Lab Conference Week (AISTATS & ICML 2022) Short summary This seminar covers some recent progress in optimization theory and deep learning theory. Specifically, for the …

Aug 24, 2022 • 1 min read

From Generalized Linear Bandit to Logistic Bandit: An Overview

Event Weekly OSI Lab Seminar Short summary In this seminar, I will talk about the generalized linear bandits and logistic bandits. Especially for the logistic bandits, I will talk …

Jul 22, 2022 • 1 min read

Gradient Descent on Infinitely Wide Neural Networks: Global Convergence and Generalization

Event Weekly OSI Lab Seminar Short summary In this seminar, I will talk about the paper “Gradient Descent on Infinitely Wide Neural Networks: Global Convergence and Generalization” …

Mar 11, 2022 • 1 min read

Clustering in Block Markov Chains

Event Weekly OSI Lab Seminar Short summary In this seminar, I will talk about the paper “Clustering in Block Markov Chains” (Sanders et al., Ann. Stat. 2020). Abstract (taken …

Nov 26, 2021 • 1 min read

Fast and Efficient MMD-based Fair PCA via Optimization over Stiefel Manifold

Event Weekly OSI Lab Seminar Short summary In this seminar, I will talk about my recent preprint “Fast and Efficient MMD-based Fair PCA via Optimization over Stiefel Manifold” (Lee …

Sep 28, 2021 • 1 min read

Poisson Learning: Graph Based Semi-Supervised Learning At Very Low Label Rates

Event Weekly OSI Lab Seminar Short summary In this seminar, I will talk about the paper “Poisson Learning - Graph Based Semi-Supervised Learning At Very Low Label Rates” (Calder et …

Jul 23, 2021 • 1 min read

Landscape and training regimes in deep learning

Event Weekly OSI Lab Seminar Short summary In this seminar, I will talk about the paper “Landscape and training regimes in deep learning” (Geiger et al., 2021), accepted for …

May 14, 2021 • 1 min read

How Powerful are Graph Neural Networks?

Event Weekly OSI Lab Seminar Short summary In this seminar, I will talk about the influential paper “How Powerful are Graph Neural Networks?” (Xu et al., ICLR'19 oral). Abstract …

Jan 22, 2021 • 1 min read

Conference Week (NeurIPS 2020)

Event OSI Lab Conference Week (NeurIPS 2020) Short summary In this seminar titled Topics not covered by anyone… (kind of), I will talk about 4 NeurIPS 2020 papers (all of which are …

Jan 7, 2021 • 1 min read

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OSI Lab Seminars