Tree-edge triage Can you taunt your friend forever? Posted on September 1, 2024 Tags: recursion phase-transitions game-theory jane-street
Drifting around How often will the round of the sums be the sum of the rounds? Posted on August 26, 2024 Tags: random-walks approximation
Judging judging How often are we penalizing our bravest gymnasts? Posted on August 11, 2024 Tags: geometry
Lose to win Can you lose the points while winning the match? Posted on July 17, 2024 Tags: partition-functions counting
Can you witness an epic collapse? How often will Indianapolis get its dreams crushed? Posted on June 9, 2024 Tags: counting first-passage
Interview line splitting What is the sum of the products of endless division? Posted on June 1, 2024 Tags: scaling recursion
The radius of a rectangle What would the world look like if you could only see squares? Posted on May 19, 2024 Tags: scaling geometry
Can you beat the heats? A good old racetrack whodunit. Posted on May 6, 2024 Tags: information-theory trees
Capture the flag How often can you win when you have a number and they have an arrow? Posted on May 1, 2024 Tags: geometry game-theory expectation jane-street
Card collisions What's the chance no card sees its own reflection? Posted on April 21, 2024 Tags: approximation recursion mean-field