A Vectorized Positive Semidefinite Penalty Method for Unconstrained Binary Quadratic Programming
Xinyue Huo and Ran Gu*
[arXiv]

ACformer: A unified transformer for arbitrary-frame image exposure correction
Chao Li, Yuchen Yang, Qiujia He, Ran Gu, Lei Zhang and Jun Xu*
Neural Networks, 2025. [Paper]

Stretched Non-negative Matrix Factorization
Ran Gu, Yevgeny Rakita, Ling Lan, Zach Thatcher, Gabrielle E. Kamm, Daniel O'Nolan, Brennan Mcbride, Allison Wustrow, James R. Neilson, Karena W. Chapman, Qiang Du* and Simon J. L. Billinge*
npj Computational Materials, 2024. [Paper]

Semiexplicit K‐symplectic‐like methods with energy conservation for noncanonical Hamiltonian systems
Beibei Zhu and Ran Gu*
Numerical Methods for Partial Differential Equations, 2024. [Paper]

Achieving sustainable development of green tourism supply chain: the trade-off between environmental and economic performances
Shigui Ma, Yong He* and Ran Gu
Annals of Operations Research, 2024. [Paper]

How to cooperate in a three-tier food delivery service supply chain
Shigui Ma, Yong He*, Ran Gu and Chung-Hsing Yeh
Journal of Retailing and Consumer Services, volume 79, pages 103828, 2024. [Paper]

A random active set method for strictly convex quadratic problem with simple bounds
Ran Gu and Bing Gao*
Mathematics of Computation, 2024. [Matlab Code] [Paper]

A fast two-stage algorithm for non-negative matrix factorization in streaming data
Ran Gu*, Qiang Du and Simon J. L. Billinge
Acta Crystallographica Section A: Foundations and Advances, volume 79, pages 203-216, 2023. [Paper]

Low-carbon tourism supply chain network optimisation with vertical and horizontal cooperations
Shigui Ma, Yong He* and Ran Gu
International Journal of Production Research, 2022. [Paper]

Joint service, pricing and advertising strategies with tourists’ green tourism experience in a tourism supply chain
Shigui Ma, Yong He* and Ran Gu
Journal of Retailing and Consumer Services, volume 61, pages 102563, Jul. 2021. [Paper]

Validation of non-negative matrix factorization for rapid assessment of large sets of atomic pair distribution function data
Chia-Hao Liu, Christopher J. Wright, Ran Gu, Sasaank Bandi, Allison Wustrow, Paul K. Todd, Daniel O'Nolan, Michelle L. Beauvais, James R. Neilson, Peter J. Chupas, Karena W. Chapman and Simon J. L. Billinge*
Journal of Applied Crystallography, volume 54, number 3, pages 768-775, Apr. 2021. [Paper]

Sustainable supply chain management considering technology investments and government intervention
Shigui Ma, Yong He*, Ran Gu and Shanshan Li
Transportation Research Part E: Logistics and Transportation Review, volume 149, pages 102290, May. 2021. [Paper]

A modified limited memory steepest descent method motivated by an inexact super-linear convergence rate analysis
Ran Gu* and Qiang Du
IMA Journal of Numerical Analysis, volume 41, number 1, pages 247-270, Apr. 2020. [Paper]

Dynamic generic and brand advertising decisions under supply disruption
Shigui Ma, Yong He* and Ran Gu
International Journal of Production Research, volume 59, number 1, pages 188-212, Sep. 2020. [Paper]

Positive semidefinite penalty method for quadratically constrained quadratic programming
Ran Gu*, Qiang Du and Ya-xiang Yuan
IMA Journal of Numerical Analysis, volume 41, number 1, pages 247-270, Aug. 2020. [Paper]

Algorithm for distance list extraction from pair distribution functions
Ran Gu, Soham Banerjee, Qiang Du* and Simon J. L. Billinge
Acta Crystallographica Section A Foundations and Advances, volume 75, number 5, pages 658-668, Aug. 2019. [Paper]

Co-op advertising in a dynamic supply chain when supply is disrupted
Shigui Ma, Yong He*, Yanan Yu, Ran Gu and Hongjiang Lyu
IFAC-PapersOnLine, volume 52, number 13, pages 2068-2073, 2019. [Paper]

Feedback Equilibrium for Dynamic Competitive and Cooperative Advertising
Shigui Ma, Yong He*, Ran Gu and Sijie Li.
Procedia Computer Science, volume 159, pages 1843-1852, 2019. [Paper]

A Partial First-Order Affine-Scaling Method
Ran Gu* and Ya-xiang Yuan
Acta Mathematica Sinica, English Series, volume 35, number 1, pages 1-16, Dec. 2017. [Paper]