# Archives for Math Mondays

- February 6, 2023
- Wirefly Hive Problem
- March 28, 2022
- Circular Prison of Unknown Size
- February 15, 2021
- A Cooperative Hat Game
- March 30, 2020
- The Dehn Invariant, or, Tangrams In Space
- September 29, 2019
- The Mathematical Hydra
- November 16, 2018
- Safes and Keys
- November 12, 2018
- Ax-Grothendieck Theorem
- November 5, 2018
- Wedderburn's Little Theorem
- October 29, 2018
- Sylow Theorems
- October 22, 2018
- The Heawood Number
- October 15, 2018
- Linearity of Expectation
- October 8, 2018
- Expected Density of Pigeons
- October 1, 2018
- Cauchy Residue Theorem
- September 24, 2018
- Monsky's Theorem
- September 17, 2018
- Doubling Loaves, in Two Ways
- September 10, 2018
- The Multiplicative Structure of \( \Bbb Z / n \Bbb Z \)