7 citations · 7 across the 2 of their papers we have counts for
2 papers
math.OC2022★ 7 cited
Accelerated Sparse Recovery via Gradient Descent with Nonlinear Conjugate Gradient Momentum
Mengqi Hu, Yifei Lou, Bao Wang +3
This paper applies an idea of adaptive momentum for the nonlinear conjugate gradient to accelerate optimization problems in sparse recovery. Specifically, we consider two types of…
stat.CO2021
A general framework of rotational sparse approximation in uncertainty quantification
Mengqi Hu, Yifei Lou, Xiu Yang
This paper proposes a general framework to estimate coefficients of generalized polynomial chaos (gPC) used in uncertainty quantification via rotational sparse approximation. In pa…