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Period 3 orbits break up into two distinct groups with different shapes

Clare (like gare) is a Chalkdust editor. In her spare time, she’s an assistant professor at Durham University. She likes Skittles, probability, and making the magazine look more like Cosmo.

Chalkdust dissertation prize 2025
Calling all final-year students! This is your opportunity to get your work published as a Chalkdust article.
Chalkdust dissertation prize
Calling all final-year students!
The big argument: What’s the best way to end a proof?
QED or $\square$?
Variations on Fermat: an agony in four fits
Fermat's Last Theorem with complex powers, wrapped in a story every mathematician can relate to
What should you get a mathematician for Christmas?
Behind today's door... The Chalkdust guide to Christmas presents
Puzzles, Issue 04
Solve the puzzles that appeared in Issue 04.