{"journal":{"journal_id":15971,"issn":"1348-9151","eissn":"1348-9151","name_en":"Pacific Journal of Optimization","name_short":"PAC J OPTIM","name_zh":null,"first_year":2019,"last_year":2026,"n_years":6,"latest_if":0.8,"latest_if_year":2025,"first_partition":4,"last_partition":4,"trend":"stable","xr_partition":4,"xr_year":2026,"has_warning":false,"has_risk":false,"legacy_only":false,"jcr_quartile":3,"jcr_year":2026,"jcr_subjects":2},"current":{"journal_id":15971,"year":2026,"source":"xinrui","partition":4,"is_top":false,"is_review":false,"oaj":false,"open_access":false,"wos_index":null,"wos_status":"normal","tags":[],"seq":792,"macro":"数学"},"meso":[],"history":[{"year":2025,"partition":4,"is_top":false,"macro":"数学"},{"year":2023,"partition":4,"is_top":false,"macro":"数学"},{"year":2022,"partition":4,"is_top":false,"macro":"数学"},{"year":2021,"partition":4,"is_top":false,"macro":"数学"},{"year":2020,"partition":4,"is_top":false,"macro":"数学"},{"year":2019,"partition":4,"is_top":false,"macro":"数学"}],"if_single":[{"if_year":2025,"value":0.8,"edition":2026},{"if_year":2020,"value":0.782,"edition":2021},{"if_year":2019,"value":0.675,"edition":2021},{"if_year":2018,"value":0.43,"edition":2021},{"if_year":2017,"value":0.469,"edition":2020},{"if_year":2016,"value":0.543,"edition":2019},{"if_year":2015,"value":0.307,"edition":2018}],"if_editions":[{"year":2025,"if_avg3":null,"citations":441.0},{"year":2021,"if_avg3":0.629,"citations":964.0},{"year":2020,"if_avg3":0.525,"citations":927.0},{"year":2019,"if_avg3":0.481,"citations":836.0},{"year":2018,"if_avg3":0.44,"citations":708.0}],"warnings":[],"aliases":[{"alias":"PAC J OPTIM","alias_type":"short","src":"legacy"},{"alias":"Pacific Journal of Optimization","alias_type":"primary","src":"upgraded"}],"similar":[],"jcr":[{"subject":"MATHEMATICS, APPLIED","quartile":3,"citations":441,"index_version":"SCIE","if_value":0.8,"if_year":2025,"year":2026},{"subject":"OPERATIONS RESEARCH & MANAGEMENT SCIENCE","quartile":4,"citations":441,"index_version":"SCIE","if_value":0.8,"if_year":2025,"year":2026}],"jcr_years":[2026],"jcr_year":2026,"plan":{"cas":[2025,"cas"],"xinrui":[2026,"xinrui"],"jcr":2026,"cas_years":[2025,2023,2022,2021,2020,2019],"xinrui_years":[2026]},"plan_rows":{"cas":{"journal_id":15971,"year":2025,"source":"cas","partition":4,"is_top":false,"is_review":false,"oaj":false,"open_access":false,"wos_index":"SCIE","wos_status":"normal","tags":[],"seq":null,"macro":"数学"},"xinrui":{"journal_id":15971,"year":2026,"source":"xinrui","partition":4,"is_top":false,"is_review":false,"oaj":false,"open_access":false,"wos_index":null,"wos_status":"normal","tags":[],"seq":792,"macro":"数学"}},"mode":"latest","year":2026,"source":"xinrui","editions":[{"year":2026,"source":"xinrui","partition":4,"seq":792,"macro":"数学"},{"year":2025,"source":"cas","partition":4,"seq":null,"macro":"数学"},{"year":2023,"source":"cas","partition":4,"seq":null,"macro":"数学"},{"year":2022,"source":"cas","partition":4,"seq":null,"macro":"数学"},{"year":2021,"source":"cas","partition":4,"seq":null,"macro":"数学"},{"year":2020,"source":"cas","partition":4,"seq":null,"macro":"数学"},{"year":2019,"source":"cas","partition":4,"seq":null,"macro":"数学"}],"submission":{"entry":{"homepage_url":"http://www.ybook.co.jp/pjo.html","submission_url":null,"submission_kind":null,"author_guide_url":null,"confidence":null,"checked_at":null},"cost":{"is_oa":"NO","required":null,"apc_min":null,"apc_max":null,"currency":null,"usd_est":null,"note":null,"waiver":null,"other_charges":null},"timeline":{"first_decision_days":84,"to_accept_days":null,"online_weeks":null,"text":"一审约 84 天","kind":"aggregate","acceptance_rate_pct":null},"publishing":{"publisher":null,"country":"Japan","language":null,"issn_print":null,"issn_electronic":null},"keywords":{"topics":"Advanced Optimization Algorithms Research; Optimization and Variational Analysis; Sparse and Compressive Sensing Techniques; Matrix Theory and Algorithms; Tensor decomposition and applications; Stochastic Gradient Optimization Techniques; Iterative Methods for Nonlinear Equations; Optimization and Mathematical Programming; Risk and Portfolio Optimization; Advanced Control Systems Optimization; Vehicle Routing Optimization Methods; Numerical methods in inverse problems; Polynomial and algebraic computation; Geochemistry and Geologic Mapping; Geological Modeling and Analysis; Face and Expression Recognition; Metaheuristic Optimization Algorithms Research; Distributed Control Multi-Agent Systems; Topology Optimization in Engineering; Advanced Numerical Analysis Techniques; Elasticity and Material Modeling; Advanced Manufacturing and Logistics Optimization; Algebraic and Geometric Analysis; Optimization and Packing Problems; Contact Mechanics and Variational Inequalities","scope_text":null,"article_types":null},"completeness":46,"updated_at":"2026-09-16T14:23:34.638912+00:00"}}