{"title":"Superlinear convergence of an interior point algorithm on linear semi-definite feasibility problems","authors":"Chee-Khian Sim","doi":"10.1080/10556788.2024.2400705","DOIUrl":"https://doi.org/10.1080/10556788.2024.2400705","url":null,"abstract":"In the literature, besides the assumption of strict complementarity, superlinear convergence of implementable polynomial-time interior point algorithms using known search directions, namely, the HK...","PeriodicalId":54673,"journal":{"name":"Optimization Methods & Software","volume":"152 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142178605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Automatic source code generation for deterministic global optimization with parallel architectures","authors":"Robert X. Gottlieb, Pengfei Xu, Matthew D. Stuber","doi":"10.1080/10556788.2024.2396297","DOIUrl":"https://doi.org/10.1080/10556788.2024.2396297","url":null,"abstract":"Trends over the past two decades indicate that much of the performance gains of commercial optimization solvers is due to improvements in x86 hardware. To continue making progress, it is critical t...","PeriodicalId":54673,"journal":{"name":"Optimization Methods & Software","volume":"54 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142255600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A neurodynamic approach for a class of pseudoconvex semivectorial bilevel optimization problems","authors":"Tran Ngoc Thang, Dao Minh Hoang, Nguyen Viet Dung","doi":"10.1080/10556788.2024.2380688","DOIUrl":"https://doi.org/10.1080/10556788.2024.2380688","url":null,"abstract":"The article proposes an exact approach to finding the global solution of a nonconvex semivectorial bilevel optimization problem, where the objective functions at each level are pseudoconvex, and th...","PeriodicalId":54673,"journal":{"name":"Optimization Methods & Software","volume":"36 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142178606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"An investigation of stochastic trust-region based algorithms for finite-sum minimization","authors":"Stefania Bellavia, Benedetta Morini, Simone Rebegoldi","doi":"10.1080/10556788.2024.2346834","DOIUrl":"https://doi.org/10.1080/10556788.2024.2346834","url":null,"abstract":"This work elaborates on the TRust-region-ish (TRish) algorithm, a stochastic optimization method for finite-sum minimization problems proposed by Curtis et al. in [F.E. Curtis, K. Scheinberg, and R...","PeriodicalId":54673,"journal":{"name":"Optimization Methods & Software","volume":"12544 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141944249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Aidan Epperly, Eric Evert, J. William Helton, Igor Klep
{"title":"Matrix extreme points and free extreme points of free spectrahedra","authors":"Aidan Epperly, Eric Evert, J. William Helton, Igor Klep","doi":"10.1080/10556788.2024.2339221","DOIUrl":"https://doi.org/10.1080/10556788.2024.2339221","url":null,"abstract":"Free spectrahedra are dimension free solution sets to linear matrix inequalities of the form LA(X)=Id⊗In+A1⊗X1+A2⊗X2+⋯+Ag⊗Xg⪰0, where the Ai and Xi are symmetric matrices and the Xi have any size ...","PeriodicalId":54673,"journal":{"name":"Optimization Methods & Software","volume":"40 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141944250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A trust-region scheme for constrained multi-objective optimization problems with superlinear convergence property","authors":"Nantu Kumar Bisui, Geetanjali Panda","doi":"10.1080/10556788.2024.2372303","DOIUrl":"https://doi.org/10.1080/10556788.2024.2372303","url":null,"abstract":"In this paper, a numerical approximation method is developed to find approximate solutions to a class of constrained multi-objective optimization problems. All the functions of the problem are not ...","PeriodicalId":54673,"journal":{"name":"Optimization Methods & Software","volume":"14 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141869309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Numerical methods for distributed stochastic compositional optimization problems with aggregative structure","authors":"Shengchao Zhao, Yongchao Liu","doi":"10.1080/10556788.2024.2381214","DOIUrl":"https://doi.org/10.1080/10556788.2024.2381214","url":null,"abstract":"The paper studies the distributed stochastic compositional optimization problems over networks, where all the agents' inner-level function is the sum of each agent's private expectation function. F...","PeriodicalId":54673,"journal":{"name":"Optimization Methods & Software","volume":"47 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141869336","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abdoulaye Koroko, Ani Anciaux-Sedrakian, Ibtihel Ben Gharbia, Valérie Garès, Mounir Haddou, Quang Huy Tran
{"title":"Analysis and comparison of two-level KFAC methods for training deep neural networks","authors":"Abdoulaye Koroko, Ani Anciaux-Sedrakian, Ibtihel Ben Gharbia, Valérie Garès, Mounir Haddou, Quang Huy Tran","doi":"10.1080/10556788.2024.2380684","DOIUrl":"https://doi.org/10.1080/10556788.2024.2380684","url":null,"abstract":"As a second-order method, the Natural Gradient Descent (NGD) has the ability to accelerate training of neural networks. However, due to the prohibitive computational and memory costs of computing a...","PeriodicalId":54673,"journal":{"name":"Optimization Methods & Software","volume":"17 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141969317","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Loreto, T. Humphries, C. Raghavan, K. Wu, S. Kwak
{"title":"A new spectral conjugate subgradient method with application in computed tomography image reconstruction","authors":"M. Loreto, T. Humphries, C. Raghavan, K. Wu, S. Kwak","doi":"10.1080/10556788.2024.2372668","DOIUrl":"https://doi.org/10.1080/10556788.2024.2372668","url":null,"abstract":"A new spectral conjugate subgradient method is presented to solve nonsmooth unconstrained optimization problems. The method combines the spectral conjugate gradient method for smooth problems with ...","PeriodicalId":54673,"journal":{"name":"Optimization Methods & Software","volume":"74 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141869337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}