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- 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
- At the Movies II: Kobi Mizrahi’s short movie White Eye makes it to the Oscar’s short list.
Top Posts & Pages
- To cheer you up in difficult times 21: Giles Gardam lecture and new result on Kaplansky's conjectures
- Cheerful News in Difficult Times: The Abel Prize is Awarded to László Lovász and Avi Wigderson
- Answer: Lord Kelvin, The Age of the Earth, and the Age of the Sun
- TYI 30: Expected number of Dice throws
- János Pach: Guth and Katz's Solution of Erdős's Distinct Distances Problem
- What is mathematics (or at least, how it feels)
- Extremal Combinatorics VI: The Frankl-Wilson Theorem
- Ringel Conjecture, Solved! Congratulations to Richard Montgomery, Alexey Pokrovskiy, and Benny Sudakov
- Amazing: Feng Pan and Pan Zhang Announced a Way to "Spoof" (Classically Simulate) the Google's Quantum Supremacy Circuit!
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Monthly Archives: November 2008
Greg’s Dinosaurs Riddle
The two-riddles post was a success, and while corresponding with Greg Kuperberg he had a riddle for me about dinosaurs, and he agreed I will share it with you. Right before the Chixculub asteroid hit the earth, there were a … Continue reading
A Diameter Problem (6): Abstract Objective Functions
George Dantzig and Leonid Khachyan In this part we will not progress on the diameter problem that we discussed in the earlier posts but will rather describe a closely related problem for directed graphs associated with ordered families of sets. The role models for … Continue reading
Posted in Combinatorics, Convex polytopes, Open problems
Tagged Hirsch conjecture, Linear programming
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