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Home Academic homepage and overview. Page /
Research Research directions and current focus. Page /research/
Selected Writing Curated notes and essays. Page /writings/
CV Curriculum Vitae and background. Page /cv/
Interests Beyond research: essays, side projects, and hobbies. Page /interests/
Resources Downloadable files and archive pages. Resource /resources/
IOAA Resources Official papers grouped by olympiad edition. Resource /resources/ioaa/
IAO Resources Selected archive and supplementary materials. Resource /resources/iao/
CNAO Resources National finals archive and Chinese-first documents. Resource /resources/cnao/
Initial insights into the concept of the metric A concise note on seeing the metric as a generalization of the Pythagorean theorem at infinitesimal scales. Writing /writing/metric

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IOAA Resources

2023 (16th IOAA)

The 16th IOAA was held in person in Katowice, Poland, with 52 main teams participating.

Materials

Available downloads

5 materials

Theory Problems
Data Analysis Problems
Observation Problems
Planetarium Problems
Group Problems

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Contact: guoyuze@whu.edu.cn · GitHub

Last updated: May 2026

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