Positions
(2026 - Now) Postdoctoral Researcher - Institute of Statistical Mathematics (ISM)
- (2025 - 2026) Senior Research Assistant - University of Queensland
- School of Geography, Planning and Environmental Management
(2020 - 2025) Teaching Assistant - University of Queensland
- (2019 - 2019) Research Assistant - University of Queensland
- Project: GAN with Shape Focus on MRI Images
- Advisor: Dr. Shakes Chandra
- Project: GAN with Shape Focus on MRI Images
- (2015 - 2016) Research Assistant - University of Sydney
- Project: Study on Lorentzian Pedagogy
- Advisor: Prof. Dean Rickles
- Project: Study on Lorentzian Pedagogy
Education
- (2021 - 2025) Ph.D - University of Queensland
- Thesis: Faithful-Newton Framework: Bridging between Inner and Outer Solvers
- Advisor: Prof. Fred Roosta
- Thesis: Faithful-Newton Framework: Bridging between Inner and Outer Solvers
(2018 - 2020) B.Math - University of Queensland
- (2015 - 2016) B.Art (Hons.) - University of Tasmania
- Thesis I: On the Study of Space: in Physics and Metaphysics
- Advisor: Dr. Richard Corry
- Thesis II: Godel’s Theorem and Logicism
- Advisor: Prof. James Chase
- Thesis I: On the Study of Space: in Physics and Metaphysics
- (2013 - 2015) B.Art in Philosophy - Univeristy of Tasmania
Publications
Faithful-Newton Framework: Bridging Inner and Outer Solvers for Enhanced Optimization
Alexander Lim and Fred Roosta
Technical Report, Preprint, 2025Complexity Guarantees for Nonconvex Newton-MR under Inexact Hessian Information
Alexander Lim and Fred Roosta
IMA Journal of Numerical Analysis (IMAJNA), 2025Conjugate Direction Methods under Inconsistent Systems
Alexander Lim, Yang Liu and Fred Roosta
Technical Report, Preprint, 2024
Talks
- ARC Training Centre in OPTIMA Seminar, 2025 (OPTIMA 2025)
- Invited Speaker (Online)
- Workshop on Optimization, Metric Bounds, Approximation and Transversality, 2024 (WoMBaT 2024)
- University of Sydney, New South Wales, Australia
- Society for Industrial and Applied Mathematics Gene Golub Summer School, 2024 (SIAM 2024)
- Campus of the Escuela Politecnica Nacional, Quito, Ecuador
- Workshop on Optimization, Metric Bounds, Approximation and Transversality, 2022 (WoMBaT 2022)
- Curtin University, Perth, Australia
- 66th Annual Meeting of the Australian Mathematical Society Conference, 2022 (AustMS 2022)
- University of New South Wales, New South Wales, Australia
- Centre for Information Resilience PhD School, 2022 (CIRES 2022)
- University of Queensland, Queensland, Australia
Teaching
Teaching Assistant
- University of Queensland
- (Semester 2, 2025) MATH3204 Numerical Linear Algebra & Optimization
- (Semester 2, 2025) STAT2201 Analysis of Engineering & Scientific Data
- (Semester 1, 2025) MATH1061 Discrete Mathematics
- (Semester 2, 2024) MATH1051 Calculus and Linear Algebra I
- (Semester 2, 2024) MATH3204 Numerical Linear Algebra & Optimization
- (Semester 2, 2023) MATH3204 Numerical Linear Algebra & Optimization
- (Semester 2, 2022) MATH3204 Numerical Linear Algebra & Optimization
- (Semester 1, 2022) CSSE1001 Introduction to Software Engineering
- (Semester 1, 2022) STAT1201 Analysis of Scientific Data
- (Semester 2, 2021) CSSE1001 Introduction to Software Engineering
- (Semester 2, 2021) MATH1052 Multivariate Calculus & Ordinary Differential Equations
- (Semester 1, 2021) CSSE1001 Introduction to Software Engineering
- (Semester 1, 2021) HRSS3101 Health Sciences Research Discovery I
- (Semester 2, 2020) CSSE1001 Introduction to Software Engineering
- (Semester 1, 2020) COMP2048 Theory of Computing
- (Semester 1, 2020) CSSE1001 Introduction to Software Engineering
- (2020) Teaching Awards, Above and Beyond 2020, University of Queensland
- (2020) International Scholarship Tutor, University of Queensland