Season

Spring 2025

Math circle will continue in Spring 2025 on UNC campus, on alternating Saturdays. This schedule is tentative and may be changed.

Schedule

Date	Mobius Noodles and Beginners	Elementary	Intermediate	Advanced
Jan 18	Hyperbolic Ribbon Loops (Maria Droujkova and Dmitri Droujkov) and The Frobenius Coin Problem: What Amounts you can pay with Coins (Dilip Barman)	Fold the Strip (Linda Green)	Extending Geometry Problems [1] (Scott Hallyburton)	An Introduction to Continued Fractions, Part 1 (David Yavenditti and Will Davis)
Jan 25	Math Circle will not meet.
Feb 1	Even More Hyperbolic! (Maria Droujkova and Dmitri Droujkov) and Big Numbers (Dilip Barman)	Hexaflexagons (Linda Green)	Extending Geometry Problems [2] (Scott Hallyburton)	An Introduction to Continued Fractions, Part 2 (David Yavenditti and Will Davis)
Feb 8	Math Circle will not meet.
Feb 15	Heart-Shaped Math: Valentine’s Day at the Math Circle (Maria Droujkova and Dmitri Droujkov) and Spaghetti and Pizza Numbers Part I (Dilip Barman)	Modular Arithmetic, Part 1 (Linda Green)	Extending Geometry Problems [3] (Josh Mott)	Pick’s Theorem (Will Davis and David Yavenditti)
Feb 22	Math Circle will not meet.
Mar 1	Happy Pi Day – Part 1 (Maria Droujkova and Dmitri Droujkov) and Spaghetti and Pizza Numbers Part II (Dilip Barman)	Modular Arithmetic, Part 2 (Victoria Yan and Dorian Varney)	Different Types of Sameness in Math (Corbin Balitactac)	Inversive Geometry (David Yavenditti and Will Davis)
Mar 8	Math Circle will not meet.
Mar 15	Happy Pi Day – Part 2 (Maria Droujkova and Dmitri Droujkov) and Pi Day – Playing with Circles (Dilip Barman)	Secret Codes (Victoria Yan and Linda Green)	Four Points, Two Distances (Linda Green)	Vieta’s Formulas and Symmetric Polynomials (David Yavenditti and Will Davis)
Mar 22	Math Circle will not meet.
Mar 29	#MathArtMarch (Maria Droujkova and Dmitri Droujkov) and Handshakes and Intersecting Circles (Dilip Barman)	Square of Squares (Linda Green)	Taxicab Geometry (Reiyah Jacobs)	Game Theory and Nash Equilibria (Will Davis and David Yavenditti)
Apr 5	SCIENCE EXPO TODAY ON UNC CAMPUS! Math Circle will not meet.
Apr 12	Edge-Release Structures (Maria Droujkova and Dmitri Droujkov) and Making and Spending Money (Dilip Barman)	Magic Squares (Victoria Yan)	The mathematics of Set (Scott Hallyburton)	Topology of Surfaces and the Euler Characteristic (Terence Carey)
Apr 19	Math Circle will not meet
Apr 26	Math Maker Party (Maria Droujkova and Dmitri Droujkov) and Square Numbers (Dilip Barman)	Alien Arithmetic (Linda Green)	Set Part II (Scott Hallyburton)	The Thue-Morse Sequence (David Yavenditti and Will Davis)