hm-img7 - Chalkdust

Double torus with a pink ring where the two toruses join and a orange ring going between the "doughnut holes"

…but cutting either of these would lead to having fewer than four cuts or more than one piece.

Ashleigh is a PhD student and graduate teaching assistant at the University of Leicester. Her main mathematical interests are in number theory. She is passionate about outreach and inclusion in mathematics, volunteers as a STEM ambassador and is a representative for the Piscopia Initiative.

The human mug
Potatoes, mugs and doughnuts with Ashleigh Ratcliffe.
In conversation with Robin Wilson
Ashleigh Wilcox and Ellen Jolley chat to the professor and maths communicator about books, the Open University and music
On the cover: Spirographs
Ashleigh Wilcox, Jenny Power and Rachel Evans show you how to draw pretty pictures
Markov unchained
Ashleigh Wilcox looks for integer solutions to the Markov equation
$Flo-maps fractograms: the prequel$
Flo-maps fractograms: the prequel
Hugh Duncan returns with the long-awaited prequel in which he further explores the geometric patterns hidden behind the fractions.
Overturned polygons: shapes with less than two sides
Hugh Duncan explores polygons with a shortage of edges

More from Chalkdust

The human mug

In conversation with Robin Wilson

On the cover: Spirographs

Markov unchained

Flo-maps fractograms: the prequel

Overturned polygons: shapes with less than two sides