Monthly Archives: August 2022

Alexander A. Gaifullin: Many 27-vertex Triangulations of Manifolds Like the Octonionic Projective Plane (Not Even One Was Known Before).

  From top left clockwise: Alexander Gaifullin, Denis Gorodkov, Ulrich Brehm, Wolfgang Kühnel  Here is the paper: Alexander A. Gaifullin: 634 vertex-transitive and more than 10¹⁰³ non-vertex-transitive 27-vertex triangulations of manifolds like the octonionic projective plane  Abstract with annotation: In … Continue reading

Posted in Combinatorics, Geometry | Tagged , , , | 1 Comment

Answer to Test Your Intuition 50: Detecting a Deviator

Two weeks ago we asked: Ruth and Ron start together at the origin and take a walk on the integers. Every day they make a move. They take turns in flipping a coin and they move together right or left … Continue reading

Posted in Games, Probability, Test your intuition | Tagged | 8 Comments

To cheer you up in difficult times 36: The Immense Joy of Fake Reverse Parking

Fake reverse parking Update: fake reverse parking is known already as the much debated “pull-through parking”. (Thanks to Gali Weinstein over Facebook for telling me about it.) It is also mentioned as #879 among a thousand awesome things by Neil … Continue reading

Posted in People, personal, Taxi-and-other-stories | Tagged | 2 Comments

Ordinary computers can beat Google’s quantum computer after all

Science magazine has an article written by Adrian Cho Ordinary computers can beat Google’s quantum computer after all. It is about the remarkable progress in classical simulations of sampling task like those sampling tasks that led to the 2019 Google’s … Continue reading

Posted in Quantum, Updates | Tagged | 5 Comments

Test Your Intuition 50. Two-Player Random Walk; Can You Detect Who Did Not Follow the Rules?

Ruth and Ron start together at the origin and take a walk on the integers. Every day they make a move. They take turns in flipping a coin and they move together right or left according to the outcome. Their … Continue reading

Posted in Probability, Test your intuition | Tagged , | 13 Comments