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Recovering linear causal models with latent variables via Cholesky factorization of covariance matri
Author: Cai, Yunfeng; Li, Xu; Sun, Mingming; Li, Ping
Journal: OPTIMIZATION LETTERS. 2026; Vol. , Issue , pp. -. DOI: 10.1007/s11590-026-02298-6
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Modified BFGS algorithm with particular descent condition for nonconvex function
Author: Li, Xiangli; Li, Binglan; Wang, Zhiling
Journal: OPTIMIZATION LETTERS. 2026; Vol. , Issue , pp. -. DOI: 10.1007/s11590-026-02284-y
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The existence and robustness of solutions for multi-leader--follower Bayesian game
Author: Chen, Huaxin; Jia, Wensheng
Journal: OPTIMIZATION LETTERS. 2026; Vol. , Issue , pp. -. DOI: 10.1007/s11590-025-02268-4
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Levitin-Polyak well-posedness of split quasi-equilibrium problem
Author: Mittal, Kanchan; Pang, Bin; Yao, Jen-Chih
Journal: OPTIMIZATION LETTERS. 2026; Vol. , Issue , pp. -. DOI: 10.1007/s11590-025-02276-4
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On the modulus of Lipschitz smoothness of log-sum-exp functio
Author: Luo, Honglin; Wang, Xianfu; Werenski, Matthew; Yang, Xinmin
Journal: OPTIMIZATION LETTERS. 2026; Vol. , Issue , pp. -. DOI: 10.1007/s11590-026-02279-9
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An exact penalty method for group-sparse portfolio selectio
Author: Zhao, Hongxin; Wang, Xin; Qi, Hou-Duo; Kong, Lingchen
Journal: OPTIMIZATION LETTERS. 2026; Vol. , Issue , pp. -. DOI: 10.1007/s11590-025-02278-2
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A proximal alternating direction method of multipliers with a proximal-perturbed Lagrangian function for nonconvex and nonsmooth structured optimizatio
Author: Li, Bohan; Liu, Pengjie; Shao, Hu; Wu, Ting; Xu, Jiawei
Journal: OPTIMIZATION LETTERS. 2025; Vol. , Issue , pp. -. DOI: 10.1007/s11590-025-02212-6
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On the oracle complexity of a Riemannian inexact augmented Lagrangian method for nonsmooth composite problems over Riemannian submanifold
Author: Xu, Meng; Jiang, Bo; Liu, Ya-Feng; So, Anthony Man-Cho
Journal: OPTIMIZATION LETTERS. 2025; Vol. , Issue , pp. -. DOI: 10.1007/s11590-025-02210-8
