Sparse Structure
Sparse structure research focuses on identifying and leveraging sparsity—the presence of many zero or negligible values—within data and models to improve efficiency and performance. Current research emphasizes developing algorithms and architectures that exploit sparsity in various contexts, including neural networks (e.g., through pruning and structured sparsity), graphical models (for causal discovery and community detection), and matrix computations. This work is significant because it leads to faster, more memory-efficient models and algorithms across diverse fields, ranging from machine learning and signal processing to scientific computing and data analysis.