KindiakMath

Biography

Name: Joel Q. L. Chang
Pen Name: Joel Kindiak
Email: joel.ql.chang@gmail.com
Erdős Number: 4
(Chang → Tan → Willsky → Bollobás → Erdős)

Education

1. National University of Singapore (NUS)
   • Bachelors of Science with Honours (Highest Distinction, CAP: 4.76/5) in Mathematics, June 2022 (Certificate and Transcript).
   • Topics learned: See banner.
   • Thesis topic: A Unifying Theory of Thompson Sampling for Continuous Risk-Averse Bandits (Supervisor: Vincent Y. F. Tan)
   • Awarded the Outstanding Undergraduate Researcher Prize (OURP), 2021 (NUS Archive).
   • Awarded the Dean’s List (2019/20 Sem 1, 2020/21 Sem 1)
2. St Andrew’s Junior College (SAJC)
   • GCE Advanced Level, 2015
   • Subjects offered: H1 General Paper, H1 Project Work, H1 Chinese Language, H1 Economics, H2 Mathematics, H2 Physics, H2 Chemistry, H3 Linear Algebra (NUS)
3. Anglican High School (AHS)
   • GCE Ordinary Level, 2013
   • Subjects offered: English Language, Chinese Language, Mathematics, Additional Mathematics, Physics, Chemistry, Biology, Combined Humanities

Publications

1. A Unifying Theory of Thompson Sampling for Continuous Risk-Averse Bandits, Joel Q. L. Chang and Vincent Y. F. Tan, AAAI, 2022
2. Linear Algebra: A Balance of Visualisation and Abstraction, P. E. Thang, Devandhira W. Wangsa, T. L. Kho, Joel Q. L. Chang, 2024
3. Thompson Sampling for Gaussian Entropic Risk Bandits, M. L. Ang, Eloise Y. Y. Lim, and Joel Q. L. Chang, 2021
4. Risk-Constrained Thompson Sampling for CVaR Bandits, Joel Q. L. Chang, Qiuyu Zhu, and Vincent Y. F. Tan, 2020
5. Reformulating $\epsilon$–$\delta$ Limits in a Pedagogically Cleaner Way, Joel Q. L. Chang, 2023

Work Experience

1. 2024–2026: Temasek Polytechnic (TP)
   • Coordinate and teach engineering mathematics modules (e.g. precalculus, calculus, differential equations, vector calculus), see teaching certificate here and review quotes here.
2. 2020–2023: National University of Singapore (NUS)
   • Teach introductory undergraduate mathematics modules (e.g. discrete mathematics, calculus, linear algebra), see review quotes here.
3. 2016–2023: Tutoring
   • Teach elementary mathematics (e.g. Primary School Mathematics, Lower Secondary Mathematics), see testimonials here.
   • Teach pre-university mathematics (e.g. O-Level (Additional) Mathematics, A-Level H2 Mathematics), see testimonials here.