Publications by topic

Language models and reasoning

Can Looped Transformers Learn to Implement Multi-step Gradient Descent for In-context Learning?

Khashayar Gatmiry, Nikunj Saunshi, Sashank Reddi, Stefanie Jegelka, Sanjiv Kumar

ICML 2024

Efficient Stagewise Pretraining via Progressive Subnetworks

Abhishek Panigrahi*, Nikunj Saunshi*, Kaifeng Lyu, Sobhan Miryoosefi, Sashank Reddi, Satyen Kale, Sanjiv Kumar

Arxiv

Task-Specific Skill Localization in Fine-tuned Language Models

Abhishek Panigrahi*, Nikunj Saunshi*, Haoyu Zhang, Sanjeev Arora

ICML 2023

A Mathematical Exploration of Why Language Models Help Solve Downstream Tasks

Nikunj Saunshi, Sadhika Malladi, Sanjeev Arora

ICLR 2021

[Talk]

Efficiency for large models

Landscape-Aware Growing: The Power of a Little LAG

Nikunj Saunshi*, Stefani Karp*, Sobhan Miryoosefi, Sashank Reddi, Sanjiv Kumar

Arxiv

Efficient Stagewise Pretraining via Progressive Subnetworks

Abhishek Panigrahi*, Nikunj Saunshi*, Kaifeng Lyu, Sobhan Miryoosefi, Sashank Reddi, Satyen Kale, Sanjiv Kumar

Arxiv

Self-supervised learning

Understanding Contrastive Learning Requires Incorporating Inductive Biases

Nikunj Saunshi, Jordan Ash, Surbhi Goel, Dipendra Misra, Cyril Zhang, Sanjeev Arora, Sham Kakade, Akshay Krishnamurthy

ICML 2022

Predicting What You Already Know Helps: Provable Self-Supervised Learning

(#) Jason D. Lee, Qi Lei, Nikunj Saunshi, Jiacheng Zhuo

NeurIPS 2021

A Mathematical Exploration of Why Language Models Help Solve Downstream Tasks

Nikunj Saunshi, Sadhika Malladi, Sanjeev Arora

ICLR 2021

[Talk]

A Theoretical Analysis of Contrastive Unsupervised Representation Learning

(#) Sanjeev Arora, Hrishikesh Khandeparkar, Mikhail Khodak, Orestis Plevrakis, Nikunj Saunshi

ICML 2019

[Blog] [Talk]

Interpretability

Understanding Influence Functions and Datamodels via Harmonic Analysis

Nikunj Saunshi, Arushi Gupta, Mark Braverman, Sanjeev Arora

ICLR 2023

New Definitions and Evaluations for Saliency Methods: Staying Intrinsic, Complete and Sound

Arushi Gupta*, Nikunj Saunshi*, Dingli Yu*, Kaifeng Lyu, Sanjeev Arora

NeurIPS 2022 (Oral)

Meta learning

A Sample Complexity Separation between Non-Convex and Convex Meta-Learning

Nikunj Saunshi, Yi Zhang, Mikhail Khodak, Sanjeev Arora

ICML 2020

[Talk]

Provable Representation Learning for Imitation Learning via Bi-level Optimization

(#) Sanjeev Arora, Simon S. Du, Sham Kakade, Yuping Luo, Nikunj Saunshi

ICML 2020

Representation learning & NLP

A La Carte Embedding: Cheap but Effective Induction of Semantic Feature Vectors

Mikhail Khodak*, Nikunj Saunshi*, Yingyu Liang, Tengyu Ma, Brandon Stewart and Sanjeev Arora

ACL 2018

[Blog] [Talk]

A Compressed Sensing View of Unsupervised Text Embeddings, Bag-of-n-Grams, and LSTMs

(#) Sanjeev Arora, Mikhail Khodak, Nikunj Saunshi, Kiran Vodrahalli

ICLR 2018

[Blog]

A Large Self-Annotated Corpus for Sarcasm

Mikhail Khodak, Nikunj Saunshi, Kiran Vodrahalli

LREC 2018

Other topics

On Predicting Generalization using GANs

Yi Zhang, Arushi Gupta, Nikunj Saunshi, Sanjeev Arora

ICLR 2022 (Oral)