ラバゴ ジュリアスファージー

基本情報

所属

金沢大学 理工研究域

連絡先

jfrabagogmail.com

通称等の別名

Julius Fergy Tiongson Rabago

ORCID iD

https://orcid.org/0000-0003-0971-6307

J-GLOBAL ID

202201012715175729

researchmap会員ID

R000042109

外部リンク

https://jftrabago.github.io/

主要な研究キーワード

• Free boundary problems
• Geometric inverse problems
• Shape optimization methods

主要な研究分野

• 自然科学一般 / 応用数学、統計数学 / Shape inverse problems
• 情報通信 / 計算科学 / Shape optimization methods

経歴

• 2024年11月 - 現在

  金沢大学, 理工研究域
• 2020年10月 - 2024年10月

  金沢大学, 理工研究域
• 2016年10月 - 2017年9月

  名古屋大学, 大学院情報学研究科
• 2014年8月 - 2016年7月

  University of the Philippines Baguio, Department of Mathematics and Computer Science, Research Assistant

主要な学歴

• 2017年10月 - 2020年9月

  名古屋大学, 大学院情報学研究科
• 2015年1月 - 2017年1月

  University of the Philippines Baguio, Department of Mathematics and Computer Science, M. Sc. (Mathematics)
• 2011年6月 - 2015年1月

  College of Science, University of the Philippines Diliman, Institute of Mathematics, P. M. A. M. (Actuarial Science)
• 2007年6月 - 2010年10月

  College of Science, University of the Philippines Baguio, Department of Mathematics and Computer Science, B. Sc. (Mathematics)

論文

• Enhanced Shape Recovery in Advection-Diffusion Problems Via a Novel ADMM-Based CCBM Optimization

  Elmehdi Cherrat, Lekbir Afraites, Julius Fergy Tiongson Rabago

  Journal of Optimization Theory and Applications 209(2) 2026年4月21日 査読有り最終著者責任著者
• Shape optimization for piecewise parameter identification in inverse diffusion problems with a single boundary measurement

  Manabu Machida, Hirofumi Notsu, Julius Fergy Tiongson Rabago

  Inverse Problems and Imaging 2026年
• Numerical methods for diffusion coefficient recovery

  Sahat Pandapotan Nainggolan, Julius Fergy Tiongson Rabago, Hirofumi Notsu

  2026年
• Localization of tumor through a non-conventional numerical shape optimization technique

  Julius Fergy Tiongson Rabago

  Applied Numerical Mathematics 217 135-171 2025年11月 査読有り
• Numerical Solution by Shape Optimization Method to an Inverse Shape Problem in Multi-dimensional Advection–Diffusion Problem with Space Dependent Coefficients

  Elmehdi Cherrat, Lekbir Afraites, Julius Fergy T. Rabago

  Applied Mathematics & Optimization 2025年8月 査読有り最終著者
• Simultaneous Recovery of Corroded Boundaries and Admittance Using the Kohn–Vogelius Method

  Moustapha Essahraoui, Elmehdi Cherrat, Lekbir Afraites, Julius Fergy Tiongson Rabago

  Springer Proceedings in Mathematics and Statistics 73-89 2025年7月25日 査読有り最終著者
• On the well-posedness of a Hele-Shaw-like system resulting from an inverse geometry problem formulated through a shape optimization setting

  Julius Fergy Tiongson Rabago, Masato Kimura

  ESAIM: Control, Optimisation and Calculus of Variations 31 2025年6月12日 査読有り筆頭著者責任著者
• Convergences of the Bi-periodic Horadam Sequences and the Bi-periodic Lucas–Horadam Matrix

  Joy P. Ascano, Edna N. Gueco, Julius Fergy T. Rabago

  Communications of the Korean Mathematical Society 2025年4月30日 査読有り最終著者
• Detecting an Immersed Obstacle in Stokes Fluid Flow Using the Coupled Complex Boundary Method

  J. F. T. Rabago, L. Afraites, H. Notsu

  SIAM Journal on Control and Optimization 63(2) 822-851 2025年3月20日 査読有り筆頭著者責任著者
• Shape optimization methods for detecting an unknown boundary with the Robin condition by a single boundary measurement

  Lekbir Afraites, Julius Fergy T. Rabago

  Discrete and Continuous Dynamical Systems - S 18(1) 43-76 2025年 査読有り筆頭著者責任著者
• Shape reconstruction for advection-diffusion problems by shape optimization techniques: The case of constant velocity

  Elmehdi Cherrat, Lekbir Afraites, Julius Fergy T. Rabago

  Discrete and Continuous Dynamical Systems - S 18(1) 296-320 2025年 査読有り最終著者
• A robust alternating direction method of multipliers numerical scheme for solving geometric inverse problems in a shape optimization setting

  J.F.T. Rabago, A. Hadri, L. Afraites, A.S. Hendy, M.A. Zaky

  Computers & Mathematics with Applications 175 19-32 2024年9月 査読有り筆頭著者
• Comoving mesh method for multi-dimensional moving boundary problems: Mean-curvature flow and Stefan problems

  Yosuke Sunayama, Julius Fergy Tiongson Rabago, Masato Kimura

  Mathematics and Computers in Simulation 2024年7月 査読有り責任著者
• Boundary shape reconstruction with Robin condition: existence result, stability analysis, and inversion via multiple measurements

  Lekbir Afraites, Julius Fergy T. Rabago

  Computational and Applied Mathematics 43(5) 2024年6月4日 査読有り筆頭著者責任著者
• Numerical Solution to a Free Boundary Problem for the Stokes Equation Using the Coupled Complex Boundary Method in Shape Optimization Setting

  Julius Fergy Tiongson Rabago, Hirofumi Notsu

  Applied Mathematics & Optimization 89(1) 2024年2月 査読有り筆頭著者責任著者
• Numerical solution to the exterior Bernoulli problem using the Dirichlet-Robin energy gap cost functional approach in two and three dimensions

  Julius Fergy T. Rabago

  Numerical Algorithms 94(1) 175-227 2023年2月6日 査読有り筆頭著者責任著者
• On the new coupled complex boundary method in shape optimization framework for solving stationary free boundary problems

  Julius Fergy T. Rabago

  Mathematical Control and Related Fields 13(4) 1362-1398 2022年12月 査読有り
• Comoving mesh method for certain classes of moving boundary problems

  Yosuke Sunayama, Masato Kimura, Julius Fergy T. Rabago

  Japan Journal of Industrial and Applied Mathematics 39(3) 973-1001 2022年 査読有り最終著者
• A second-order shape optimization algorithm for solving the exterior Bernoulli free boundary problem using a new boundary cost functional

  Julius Fergy T. Rabago, Hideyuki Azegami

  Computational Optimization and Applications 77(1) 251-305 2020年9月1日 査読有り筆頭著者責任著者
• Techniques on Solving Systems of Nonlinear Difference Equations

  Jerico B. Bacani, Julius Fergy T. Rabago

  Springer Proceedings in Mathematics and Statistics 341 165-200 2020年 査読有り筆頭著者

講演・口頭発表等

• Coupling the coupled complex boundary method and ADMM for constrained shape optimization in geometric inverse problems

  The 10th Young Scholar Symposium of East Asia Section of IPIA 2026年4月24日 招待有り
• An inverse shape optimization approach for localizing subdermal tumors and burns

  11th International Conference on Inverse Problems, Control and Shape Optimization (PICOF'2025) 2025年10月30日 招待有り
• Detecting immersed obstacle in Stokes fluid using coupled complex boundary method

  2023 Joint Meeting on Applied Mathematics 2023年12月14日
• Non-conventional shape optimization methods for solving shape inverse problems

  Julius Fergy Rabago, Lekbir Afraites, Aissam Hadri

  Applied Inverse Problems 2023 (AIP2023) 2023年9月5日 招待有り
• Numerical solution to a free boundary problem for the Stokes equation using the coupled complex boundary method in shape optimization setting

  Julius Fergy Rabago, Hirofumi Notsu

  10th International Congress on Industrial and Applied Mathematics (ICIAM2023) 2023年8月24日 招待有り
• An ADMM numerical approach in shape optimization setting for geometric inverse problems

  Julius Fergy Rabago, Lekbir Afraites, Aissam Hadri

  CoMFoS22: Mathematical Aspects of Continuum Mechanics 2022 2022年12月6日 招待有り
• Comoving Mesh Method: a Finite Element Scheme for Solving Classes of Free and Moving Boundary

  Julius Fergy Rabago, Masato Kimura, Yosuke Sunayama

  2022 Mathematical Society of the Philippines Annual Convention
• On a numerical shape optimization approach to the exterior Bernoulli problem via the coupled complex boundary method

  Julius Fergy Rabago

  Workshop on Scientific Computing 2022
• A second-order shape optimization algorithm for solving the exterior Bernoulli free boundary problem using a new boundary cost functional

  Julius Fergy Rabago, Hideyuki Azegami

  IFIP TC7 Conference on System Modeling and Optimization

共同研究・競争的資金等の研究課題

• 正確な形状再構成のための新しいハイブリッド手法:先進的理論と数値計算手法

  日本学術振興会 科学研究費助成事業 特別研究員奨励費 2024年11月 - 2027年3月

  木村 正人, RABAGO JULIUS FERGY
• Development of effective and accurate non-conventional solution methods for shape inverse problems: theory and numerics

  Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Early-Career Scientists 2023年4月 - 2027年3月