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- Meeting Michael H. at Rio
- What is mathematics (or at least, how it feels)
- Alef’s Corner
- To cheer you up in difficult times 22: some mathematical news! (Part 1)
- Cheerful News in Difficult Times: The Abel Prize is Awarded to László Lovász and Avi Wigderson
- Amazing: Feng Pan and Pan Zhang Announced a Way to “Spoof” (Classically Simulate) the Google’s Quantum Supremacy Circuit!
- To cheer you up in difficult times 21: Giles Gardam lecture and new result on Kaplansky’s conjectures
- Nostalgia corner: John Riordan’s referee report of my first paper
- At the Movies III: Picture a Scientist
Top Posts & Pages
- Meeting Michael H. at Rio
- To cheer you up in difficult times 5: A New Elementary Proof of the Prime Number Theorem by Florian K. Richter
- To cheer you up in difficult times 21: Giles Gardam lecture and new result on Kaplansky's conjectures
- The Argument Against Quantum Computers - A Very Short Introduction
- To Cheer You Up in Difficult Times 15: Yuansi Chen Achieved a Major Breakthrough on Bourgain's Slicing Problem and the Kannan, Lovász and Simonovits Conjecture
- Are Natural Mathematical Problems Bad Problems?
- TYI 30: Expected number of Dice throws
- Answer: Lord Kelvin, The Age of the Earth, and the Age of the Sun
- To cheer you up in difficult times 17: Amazing! The Erdős-Faber-Lovász conjecture (for large n) was proved by Dong Yeap Kang, Tom Kelly, Daniela Kühn, Abhishek Methuku, and Deryk Osthus!
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Tag Archives: Topology
The Möbius Undershirt
“Look at this brand new undershirt,” my wife said. “I am shaking it and shaking it but still I have this twist. Can you see what to do?” I gave the undershirt a good shake. And another one. And one more. And … Continue reading →
Posted in Mathematics to the rescue, Taxi-and-other-stories
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Tagged Mobius srtip, Taxi-and-other-stories, Topology, Undershirts
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