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Jamshrivelson


Puzzle Solutions

Cool weave curve

What shape is the margin doodle?

Posted on September 10, 2023

Tags: geometry lines

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

Save the world

Good use of polling or bad use of polling?

Posted on May 15, 2023

Tags: approximation

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
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Josh Silverman  •  2025

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