Pick a circle, any circle What chance is there, for a circle inside a square? Posted on February 19, 2024 Tags: conditional-probability transformations jane-street
Traffic light chase How long until you meet your menacing assailant? Posted on October 23, 2023 Tags: counting convolution
Pinball lights How many shots does it take to turn the lights on? Posted on October 1, 2023 Tags: master-equation
Unbalanced league How often will geography rob your team of a playoff berth? Posted on September 18, 2023 Tags: diagrams counting inclusion-exclusion
Buffon's prism If you throw a rod into a jelly lattice, what is the chance it crosses just one wall? Posted on August 8, 2023 Tags: probability geometry jane-street
Twisted balkanization How many different adventures does the Mobius prism have in store? Posted on July 9, 2023 Tags: maps dynamics measurement
A chancy race Will the coiners flip before you roll? Posted on June 18, 2023 Tags: transformation stochastic
Take a number When should you stop dreaming of a brighter future? Posted on May 22, 2023 Tags: expectation strategy