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A list of all the posts and pages found on the site. For you robots out there is an XML version available for digesting as well.

Pages

Posts

portfolio

Contest Collections

Published:

A curated archive of problem sets and solutions from Indonesian mathematics competitions, organized by level, organizer, and year.

Olympiad Reading Materials

Published:

Handouts and reference materials for senior high school mathematical olympiad study.

The Art of Olympiad Geometry

Published:

Buku geometri olimpiade berbahasa Indonesia yang disusun bertahap dari konsep dasar menuju pemecahan masalah.

projects

publications

The Art of Olympiad Geometry Permalink

Book, First edition, 2026

An Indonesian-language olympiad geometry book developed progressively from fundamental concepts to problem solving, aimed at short-answer preparation from OSK SMP to OSP SMA.

Recommended citation: Wicaksono, Wildan Bagus. The Art of Olympiad Geometry: Basic Level. First edition, 2026.

Comparison of Set-Valued Function Derivatives: Bede-Gal and Hausdorff Versions

Undergraduate thesis, Universitas Brawijaya, 2026

An undergraduate thesis comparing Bede-Gal and Hausdorff derivatives for compact convex set-valued functions, with a focus on interval-valued functions and the role of the Hukuhara difference.

Recommended citation: Wicaksono, Wildan Bagus. Comparison of Set-Valued Function Derivatives: Bede-Gal and Hausdorff Versions. Undergraduate thesis, Universitas Brawijaya, 2026.
Download thesis (PDF)

talks

teaching

Introducing About Mathematical Olympiad to Teachers in Lampung

Community Service, Yayasan Fatimah Az Zahra Lampung, 2022

Participating in the community service program, Dosen Berkarya, with Dr. Darmajid S.Si.,M.Si. and Dra. Andari, MS. for two days. Lecturing for teachers in Lampung on junior and senior high school about mathematical olympiads.

Lecturer’s Assistant and Peer Tutor

Teaching, Universitas Brawijaya, Mathematics Department, 2023

I have served as a Lecturer’s Assistant and Peer Tutor for undergraduate mathematics courses, including Calculus and Abstract Algebra, providing academic support through supplementary problem-solving sessions and guided discussions to strengthen students’ conceptual understanding.

International Mathematical Olympiad Instructor

Teaching, Online, 2026

I have been serving as a geometry instructor for the International Mathematical Olympiad (IMO) training program since 2024. I was specifically appointed to teach advanced geometry topics in an online format.

Teaching Mathematics Olympiad at School

Teaching, On-site & Online, 2026

I have been teaching mathematics olympiad since 2022. Most of my instruction has been conducted online, while I have also been specifically invited to teach at selected schools for olympiad training programs.