activity
20222025
most citedParameter-free accelerated gradient descent for nonconvex minimization

6 citations · 8 across the 5 of their papers we have counts for

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5 papers

math.OC2025

Parameter-Free Accelerated Quasi-Newton Method for Nonconvex Optimization

Naoki Marumo

We propose a quasi-Newton-type method for nonconvex optimization with Lipschitz continuous gradients and Hessians. The algorithm finds an -stationary point within $\ma…

math.OC2024

Heavy-ball Differential Equation Achieves Convergence for Nonconvex Functions

Kaito Okamura, Naoki Marumo, Akiko Takeda

First-order optimization methods for nonconvex functions with Lipschitz continuous gradient and Hessian have been extensively studied. State-of-the-art methods for finding an $\var…

stat.ME2023

Modelling the discretization error of initial value problems using the Wishart distribution

Naoki Marumo, Takeru Matsuda, Yuto Miyatake

This paper presents a new discretization error quantification method for the numerical integration of ordinary differential equations. The error is modelled by using the Wishart di…

math.OC2023★ 2 cited

Universal heavy-ball method for nonconvex optimization under Hölder continuous Hessians

Naoki Marumo, Akiko Takeda

We propose a new first-order method for minimizing nonconvex functions with Lipschitz continuous gradients and Hölder continuous Hessians. The proposed algorithm is a heavy-ball me…

math.OC2022★ 6 cited

Parameter-free accelerated gradient descent for nonconvex minimization

Naoki Marumo, Akiko Takeda

We propose a new first-order method for minimizing nonconvex functions with a Lipschitz continuous gradient and Hessian. The proposed method is an accelerated gradient descent with…