CV

The PDF version of my CV is available here ↗.

Education

  1. Aug 2022 – 2026 Yogyakarta, Indonesia

    Universitas Gadjah Mada

    Bachelor of Science in Mathematics · GPA 3.77 / 4.00

    Thesis: Prime-Detecting Quasimodular Forms and Some of Their Congruence Properties

  2. Apr 2026 – Aug 2026 Tokyo, Japan

    Institute of Science Tokyo

    Exchange research student, YSEP

Experience

  1. Apr 2026 – Aug 2026 Tokyo, Japan

    Research Student, Purkait Laboratory

    Institute of Science Tokyo · Young Science and Engineering Researchers Program (YSEP)

    • Studied the modular forms of the congruence subgroup and their connection to the Hecke operators.
    • Supervised by Prof. Yuichiro Taguchi and Assoc. Prof. Soma Purkait.
    • Number Theory
    • Modular Forms
    • Elliptic Curves
  2. 2025 Online

    Undergraduate Researcher, Probability and Number Theory Research Group

    Polymath Jr. 2025

    • Studied a method for detecting prime numbers with MacMahon’s partition functions and analyzed their congruences.
    • Supervised by Dr. William Craig (United States Naval Academy).
    • Integer Partitions
    • Number Theory
    • Collaborative Research
  3. Several semesters Yogyakarta, Indonesia

    Lecturer & Practicum Assistant

    Department of Mathematics, Universitas Gadjah Mada

    • Lecturer assistant: Calculus I, Advanced Calculus, Introduction to Real Analysis, Multivariable Calculus.
    • Practicum assistant: Introduction to Numerical Analysis, Computational Mathematics, Numerical Linear Algebra.
    • Teaching
    • Numerical Methods
    • Analysis

Projects

AI / LLM · 2026

ScholarRAG: Question Answering over Scientific Papers

A retrieval-augmented system that answers questions about 200 arXiv papers on visual anomaly detection. Every answer has to quote the passage it comes from, the quote is checked in code, and the system declines when the papers do not contain the answer. Retrieval combines BM25 and dense search with a cross-encoder reranker, and Gemini writes the answer. On frozen test sets, the right passage is among the top 5 for 91–93% of questions, 92–93% of answers are judged acceptable with none wrong, and all 20 near-miss questions are refused.

  • Python
  • RAG
  • BM25
  • Sentence Transformers
  • Reranking
  • Gemini API
  • FastAPI

Recorded demo ↗ Code on GitHub ↗

Machine Learning · 2025, rebuilt 2026

AnoDe: Anomaly Detection Platform for Manufacturing

A quality-control platform that selects a suitable model for each product to detect both visual defects (scratches, dents) and logical defects (missing or misplaced parts). I rebuilt our team’s capstone project, compared several models on MVTec AD and MVTec LOCO, and deployed a live demo. Best image-level AUROC on MVTec AD: 0.982 (PatchCore).

  • PyTorch
  • PatchCore
  • CSAD
  • Computer Vision
  • Kaggle GPU

Live demo ↗ Code on GitHub ↗

Statistics · 2024

Breast Cancer Classification with LDA/QDA

Compared and validated Linear and Quadratic Discriminant Analysis for classifying breast cancer cells from a public dataset. Team project for Introduction to Mathematical Modelling.

  • Python
  • scikit-learn
  • Classification
  • Statistics

Code on GitHub ↗

Operations Research · 2024, reproduced 2026

Open Jackson Queueing Network in a Hospital

Modeled hospital patient flow as an open Jackson network and derived the equations used to analyze and improve operational efficiency. In 2026 I recomputed every number in Python and checked the model three independent ways.

  • Queueing Theory
  • Modeling
  • Python

Code on GitHub ↗

Dynamical Systems · 2024, reproduced 2026

Stability of the Belousov–Zhabotinsky Reaction

Analyzed stability and Hopf bifurcations of the Oregonator model to predict when this chemical reaction starts to oscillate. In 2026 I redid the analysis and simulations in Python and corrected the oscillation range.

  • ODEs
  • Bifurcation
  • Python

Code on GitHub ↗

Number Theory · Bachelor’s thesis, 2026

Thesis: Prime-Detecting Quasimodular Forms

Bachelor’s thesis on quasimodular forms whose coefficients vanish exactly at the primes, with a computer search for congruences that are then proved.

  • Modular Forms
  • SageMath
  • Research

Read the thesis ↗ Code on GitHub ↗

Leadership & Volunteering

  1. Jun 2025 – Aug 2025 Talaud Islands, North Sulawesi

    Coordinator of the Education Sector

    KKN-PPM UGM (Community Service)

    • Coordinated about 25 education programs addressing local challenges.
    • Taught elementary to high school students and ran training workshops for local teachers.
    • Wrote and presented a policy brief to the Talaud Islands government with data-informed proposals.
  2. Feb 2024 – Nov 2024 Yogyakarta

    Vice Chairman

    LMNas 35 & Semnastika 16 UGM, a national math competition and seminar

    • Reached 4,000+ participating students nationwide, with 100+ committee members.
    • Oversaw 4 divisions (Creative, Events, Problem Creator, Business Fund) with almost no major operational issues.
    • Grew Instagram followers by 175%, reached about one million views across Instagram and TikTok, and raised about IDR 50 million from business funds.

Awards

  • 2025

    Silver Medal (individual)

    Mathematical Analysis and Geometry Day XVI (MaG-D XVI), Institut Teknologi Bandung

  • 2024

    UGM Delegate, Statistics Infographic Competition

    Satria Data 2024, Pusat Prestasi Nasional (Puspresnas)

  • 2024

    UGM Delegate, Statistics Essay Competition

    Satria Data 2024, Pusat Prestasi Nasional (Puspresnas)

  • 2023

    Silver Medal (team), Calculus Paper Competition

    SNAMA 2023, Universitas Sebelas Maret

Skills

Programming
Python, C++, LaTeX, Git & GitHub
Data & ML
PyTorch, scikit-learn, NumPy & pandas, Jupyter & Kaggle, Hugging Face, SageMath
AI & LLM
RAG, BM25 & dense retrieval, Sentence Transformers, Gemini API, FastAPI
Mathematics
Mathematical Modeling, Statistics, Numerical Analysis, Dynamical Systems, Number Theory
Design & Office
Figma, Canva, CapCut, Microsoft Office
Languages
Indonesian (native), English (TOEFL ITP 567), Japanese (basic)
Soft skills
Teaching, Leadership, Public Speaking, Problem Solving

Contact

I’m open to any math-related roles: data, machine learning, and AI. Email me at hasbialfrz61@gmail.com or message me on LinkedIn.