Hard choices for the Easter bunny Hoppity hop, which carton are you going to get? Posted on April 9, 2023 Tags: counting symmetry
Left handed sister Are you talking to some brother, or the brother? Posted on April 6, 2023 Tags: bayes partition-function evidence
Robot long jump Jump late, and long, but not too late. Posted on April 1, 2023 Tags: game-theory strategy optimality jane-street
NCAA quota bracket I'll take one of each. Posted on March 26, 2023 Tags: counting symmetry tournaments
Fast times at the marble track It won't be long before this marble's at your door Posted on March 12, 2023 Tags: optimality conservation-of-energy calculus
Sicilian solitaire There's nothing to do and there's nothing to win Posted on February 19, 2023 Tags: recursion approximation
The chance in our stars A cool puzzle for planes that fly at $\approx 0\,\text{mph}.$ Posted on February 11, 2023 Tags: spherical-geometry distributions projection
Keep on singing Will you get to zero bottles of beer on the wall before someone loses their cool? Posted on February 3, 2023 Tags: recursion expectation markov
Chain of squares How long can you keep your square away from the covetous origin? Posted on January 28, 2023 Tags: fixed-point dynamics jane-street