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Fully Stochastic Trust-Region Sequential Quadratic Programming for Equality-Constrained Optimization Problems
We propose a trust-region stochastic sequential quadratic programming algorithm (TR-StoSQP) to solve nonlinear optimization problems …
Yuchen Fang
,
Sen Na
,
Michael W. Mahoney
,
Mladen Kolar
Cite
DOI
arXiv
Convergence Analysis of Accelerated Stochastic Gradient Descent under the Growth Condition
We study the convergence of accelerated stochastic gradient descent for strongly convex objectives under the
growth condition
, which …
You-Lin Chen
,
Sen Na
,
Mladen Kolar
Cite
DOI
arXiv
A Fast Temporal Decomposition Procedure for Long-horizon Nonlinear Dynamic Programming
We propose a
fast
temporal decomposition procedure for solving long-horizon nonlinear dynamic programs. The core of the procedure is …
Sen Na
,
Mihai Anitescu
,
Mladen Kolar
Cite
DOI
arXiv
Inequality Constrained Stochastic Nonlinear Optimization via Active-Set Sequential Quadratic Programming
We study nonlinear optimization problems with a stochastic objective and deterministic equality and inequality constraints, which …
Sen Na
,
Mihai Anitescu
,
Mladen Kolar
Cite
DOI
arXiv
Superconvergence of Online Optimization for Model Predictive Control
We develop a one-Newton-step-per-horizon, online, lag-$L$, model predictive control (MPC) algorithm for solving discrete-time, …
Sen Na
,
Mihai Anitescu
Cite
DOI
arXiv
Hessian Averaging in Stochastic Newton Methods Achieves Superlinear Convergence
We consider minimizing a smooth and strongly convex objective function using a stochastic Newton method. At each iteration, the …
Sen Na
,
Michał Dereziński
,
Michael W. Mahoney
Cite
DOI
arXiv
On the Convergence of Overlapping Schwarz Decomposition for Nonlinear Optimal Control
We study the convergence properties of an overlapping Schwarz decomposition algorithm for solving nonlinear optimal control problems …
Sen Na
,
Sungho Shin
,
Mihai Anitescu
,
Victor M. Zavala
Cite
DOI
arXiv
An Adaptive Stochastic Sequential Quadratic Programming with Differentiable Exact Augmented Lagrangians
We consider solving nonlinear optimization problems with a stochastic objective and deterministic equality constraints. We assume for …
Sen Na
,
Mihai Anitescu
,
Mladen Kolar
Cite
DOI
arXiv
Global Convergence of Online Optimization for Nonlinear Model Predictive Control
We study a real-time iteration (RTI) scheme for solving online optimization problem appeared in nonlinear optimal control. The proposed …
Sen Na
Cite
URL
High-dimensional Index Volatility Models via Stein's Identity
We study the estimation of the parametric components of single and multiple index volatility models. Using the first- and second-order …
Sen Na
,
Mladen Kolar
Cite
DOI
arXiv
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