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About
President
Governance
Partner Institutions
Visit
People
Management
Faculty
Postdocs
Visiting Scholars
Administration
Academic Support
Research
Research Groups
Courses
Seminars
Join Us
Faculty
Postdocs
Students
Events
Conferences
Workshops
Forum
Life @ BIMSA
Accommodation
Transportation
Facilities
Tour
News
News
Announcement
Downloads
Qiuzhen College, Tsinghua University
Yau Mathematical Sciences Center, Tsinghua University (YMSC)
Tsinghua Sanya International  Mathematics Forum (TSIMF)
Shanghai Institute for Mathematics and  Interdisciplinary Sciences (SIMIS)
BIMSA > BIMSA Math Circle I (2025-2026)
BIMSA Math Circle I (2025-2026)
For Students Ages 12–18 Who Want to Explore Olympiad Mathematics

Do you enjoy solving puzzles, challenging yourself, and thinking outside the box?
At the BIMSA Math Circle, you’ll dive into the world of Math Olympiad–style problem solving—a world of creativity, logic, and discovery!

🔹 What is the BIMSA Math Circle?

A weekly program designed to:

Introduce students to the beauty of Olympiad mathematics

Explore problem-solving in number theory, combinatorics, geometry, and algebra

Practice with problems inspired by AMC, AIME, and IMO competitions

Develop creative approaches rather than memorizing formulas

🔹 Who can join?

Students ages 12–18 (grades 7–11)

Enthusiastic learners at any level—no prior competition experience needed!

🔹 What will we do?

Solve challenging math problems in a fun and collaborative setting

Learn strategies used by successful Olympiad participants

Work in small groups, guided by experienced instructors

🔹 Why join?

Build powerful problem-solving and logical reasoning skills

Experience the excitement of Olympiad mathematics

Prepare for contests—or just enjoy the adventure of deep mathematics

Become part of a community that loves to learn and challenge themselves
Professor Lars Aake Andersson
Lecturer
Cezar Lupu
Date
23rd November ~ 28th December, 2025
Location
Weekday Time Venue Online ID Password
Sunday 17:55 - 00:00 - - -
Syllabus
Course Outline:

Algebra, Combinatorics, Geometry, Number Theory

Course Calendar:

• Lecture 1: Algebra-Basic identities and inequalities (2025/11/23)
• Lecture 2: Algebra-Mathematical induction (2025/11/30)
• Lecture 3: Combinatorics-Pigeonhole principle (2025/12/07)
• Lecture 4: Geometry-Basic metric relations in a triangle (2025/12/14)
• Lecture 5: Geometry-Important points and lines in a triangle (2025/12/21)
• Lecture 6: Number Theory-Divisibility and modular arithmetic (2025/12/28)
Reference
[1] Arthur Engel, Problem Solving Strategies, Springer Verlag, 1998.
[2] Dusan Djukic, Vladimir Jankovic, Ivan Matic, Nikola Petrovic, The IMO Compendium: A Collection of Problems Suggested for The International Mathematical Olympiads: 1959-2009 Second Edition (Problem Books in Mathematics), Springer Verlag 2011.
Video Public
Yes
Notes Public
No
Language
Chinese , English
Lecturer Intro
Cezar Lupu obtained his PhD degree from the University of Pittsburgh in 2018 with a thesis on special values of Riemann zeta and multiple zeta functions under the supervision of Piotr Hajlasz and William C. Troy. Between 2018-2021, he was a postdoctoral scholar at Texas Tech University under the mentorship of Razvan Gelca and Dermot McCarthy. In 2021, he moved to China as a postdoctoral fellow at the Beijing Institute of Mathematical Sciences and Applications (BIMSA) and Tsinghua University under the mentorship of Shing-Tung Yau until 2024. His main research interests are in the areas of number theory, analysis and special functions. Most of his recent research is centered around special values of L-functions and multiple zeta functions which play an important role at the interface of analysis, number theory, geometry and physics. He taught numerous courses at Pitt and TTU both undergraduate and graduate ranging from calculus and linear algebra to abstract algebra and real analysis. Also, he coached the best undergraduate students for the William Lowell Putnam Mathematical Competition. After moving to China, he taught courses at the Qiuzhen College, Tsinghua University. Together with other colleagues from Tsinghua University, he is organizing the Shadow Putnam Mathematical Competition at the Qiuzhen College. Moreover, starting 2023, he is the academic director of the International Mathematics Summer Camp (IMSC).


Beijing Institute of Mathematical Sciences and Applications
CONTACT

No. 544, Hefangkou Village Huaibei Town, Huairou District Beijing 101408

北京市怀柔区 河防口村544号
北京雁栖湖应用数学研究院 101408

Tel. 010-60661855 Tel. 010-60661855
Email. administration@bimsa.cn

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