2 papers
math.CA2025
The height function of a sparse collection: a Bellman function approach
Shivam Aggarwal, Samuel Hernandez, Irina Holmes Fay +1
Sparse operators have emerged as a powerful method to extract sharp constants in harmonic analysis inequalities, for example in the context of bounding singular integral operators.…
stat.ML2024
Stochastic Variance-Reduced Iterative Hard Thresholding in Graph Sparsity Optimization
Derek Fox, Samuel Hernandez, Qianqian Tong
Stochastic optimization algorithms are widely used for large-scale data analysis due to their low per-iteration costs, but they often suffer from slow asymptotic convergence caused…