preprints Review Direct metric optimization for imbalanced classification Le Peng , Yash Travadi , Chuan He , and 2 more authors 2024 Review Regression with high-dimensional targets Tiancong Chen , Hengkang Wang , Chuan He , and 2 more authors 2024 Review A Newton-CG based barrier-augmented Lagrangian method for general nonconvex conic optimization Chuan He , Heng Huang , and Zhaosong Lu 2024 Bib PDF @article{hhl24ncgbal, title = {A {N}ewton-{CG} based barrier-augmented {L}agrangian method for general nonconvex conic optimization}, author = {He, Chuan and Huang, Heng and Lu, Zhaosong}, year = {2024} } Review Newton-CG methods for nonconvex unconstrained optimization with Hölder condition Chuan He , and Zhaosong Lu 2024 Bib PDF @article{hl24nch, title = {{N}ewton-{CG} methods for nonconvex unconstrained optimization with {H}\"older condition}, author = {He, Chuan and Lu, Zhaosong}, year = {2024} } publications TMLR Federated learning with convex global and local constraints Chuan He , Le Peng , and Ju Sun Transactions on Machine Learning Research, 2024 Bib HTML PDF @article{hps24flcc, title = {Federated learning with convex global and local constraints}, journal = {Transactions on Machine Learning Research}, author = {He, Chuan and Peng, Le and Sun, Ju}, year = {2024} } IJOC Decision rule approaches for pessimistic bilevel linear programs under moment ambiguity with facility location applications Akshit Goyal , Yiling Zhang , and Chuan He INFORMS Journal on Computing, 2023 Bib HTML PDF @article{gzh23drpb, title = {Decision rule approaches for pessimistic bilevel linear programs under moment ambiguity with facility location applications}, author = {Goyal, Akshit and Zhang, Yiling and He, Chuan}, journal = {INFORMS Journal on Computing}, volume = {35}, number = {6}, pages = {1342--1360}, publisher = {INFORMS}, year = {2023} } JMLR A parameter-free conditional gradient method for composite minimization under Hölder condition Masaru Ito , Zhaosong Lu , and Chuan He Journal of Machine Learning Research, 2023 Bib HTML PDF @article{ilh2023fw, title = {A parameter-free conditional gradient method for composite minimization under {H}\"older condition}, author = {Ito, Masaru and Lu, Zhaosong and He, Chuan}, journal = {Journal of Machine Learning Research}, volume = {24}, number = {166}, pages = {1--34}, year = {2023} } SIOPT A Newton-CG based augmented Lagrangian method for finding a second-order stationary point of nonconvex equality constrained optimization with complexity guarantees Chuan He , Zhaosong Lu , and Ting Kei Pong SIAM Journal on Optimization, 2023 Bib HTML PDF @article{hlp2023ncgal, title = {A {N}ewton-{CG} based augmented {L}agrangian method for finding a second-order stationary point of nonconvex equality constrained optimization with complexity guarantees}, author = {He, Chuan and Lu, Zhaosong and Pong, Ting Kei}, journal = {SIAM Journal on Optimization}, volume = {33}, number = {3}, pages = {1734--1766}, publisher = {SIAM}, year = {2023} } SIOPT A Newton-CG based barrier method for finding a second-order stationary point of nonconvex conic optimization with complexity guarantees Chuan He , and Zhaosong Lu SIAM Journal on Optimization, 2023 Bib HTML PDF @article{hl2023ncgb, title = {A {N}ewton-{CG} based barrier method for finding a second-order stationary point of nonconvex conic optimization with complexity guarantees}, author = {He, Chuan and Lu, Zhaosong}, journal = {SIAM Journal on Optimization}, volume = {33}, number = {2}, pages = {1191--1222}, publisher = {SIAM}, year = {2023} }