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Aurelie Lozano

10 accepted papers

2025

Aligning Protein Conformation Ensemble Generation with Physical Feedback

ICML 2025poster

Protein dynamics play a crucial role in protein biological functions and properties, and their traditional study typically relies on time-consuming molecular dynamics (MD) simulations conducted in silico. Recent advances in generative modeling, particularly denoising diffusion models, have enabled e…

Cited by 0SourcePDFScholar
2024

Larimar: Large Language Models with Episodic Memory Control

ICML 2024poster

Efficient and accurate updating of knowledge stored in Large Language Models (LLMs) is one of the most pressing research challenges today. This paper presents Larimar - a novel, brain-inspired architecture for enhancing LLMs with a distributed episodic memory. Larimar's memory allows for dynamic, on…

2024

Learning Granger Causality from Instance-wise Self-attentive Hawkes Processes

AISTATS 2024poster

We address the problem of learning Granger causality from asynchronous, interdependent, multi-type event sequences. In particular, we are interested in discovering instance-level causal structures in an unsupervised manner. Instance-level causality identifies causal relationships among individual ev…

Cited by 2SourcePDFScholar
2024

Multi-Scale Representation Learning for Protein Fitness Prediction

NeurIPS 2024poster

Designing novel functional proteins crucially depends on accurately modeling their fitness landscape. Given the limited availability of functional annotations from wet-lab experiments, previous methods have primarily relied on self-supervised models trained on vast, unlabeled protein sequence or str…

2024

NeuroPrune: A Neuro-inspired Topological Sparse Training Algorithm for Large Language Models

ACL 2024findings

Transformer-based Language Models have become ubiquitous in Natural Language Processing (NLP) due to their impressive performance on various tasks. However, expensive training as well as inference remains a significant impediment to their widespread applicability. While enforcing sparsity at various…

Cited by 2SourcePDFScholar
2023

Pre-Training Protein Encoder via Siamese Sequence-Structure Diffusion Trajectory Prediction

NeurIPS 2023spotlight

Self-supervised pre-training methods on proteins have recently gained attention, with most approaches focusing on either protein sequences or structures, neglecting the exploration of their joint distribution, which is crucial for a comprehensive understanding of protein functions by integrating co-…

2023

Protein Representation Learning by Geometric Structure Pretraining

ICLR 2023poster

Learning effective protein representations is critical in a variety of tasks in biology such as predicting protein function or structure. Existing approaches usually pretrain protein language models on a large number of unlabeled amino acid sequences and then finetune the models with some labeled da…

2022

AdaBlock: SGD with Practical Block Diagonal Matrix Adaptation for Deep Learning

AISTATS 2022poster

We introduce AdaBlock, a class of adaptive gradient methods that extends popular approaches such as Adam by adopting the simple and natural idea of using block-diagonal matrix adaption to effectively utilize structural characteristics of deep learning architectures. Unlike other quadratic or block-d…

Cited by 4SourcePDFScholar
2019

Trimming the $\ell_1$ Regularizer: Statistical Analysis, Optimization, and Applications to Deep Learning

ICML 2019oral

We study high-dimensional estimators with the trimmed $\ell_1$ penalty, which leaves the h largest parameter entries penalty-free. While optimization techniques for this nonconvex penalty have been studied, the statistical properties have not yet been analyzed. We present the first statistical analy…