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The Hasse diagram for. . .

Calum is a lecturer in physics at Edge Hill University where he studies topological solitons and enjoys talking about maths and physics to anyone who will listen. He can often be found on the side of a mountain or out on a bike, talking to himself about solitons.

Oπnions: In defence of toy models
Calum gets on his soap box about toy models
Cryptic wordsearch, Issue 19
Can you solve it?
Top ten: Mathematical norms
The undisputed chart of the best mathematical norms this season
On the cover: skyrmions
Sven Bjarke Gudnason and Calum Ross introduce you to the wonderful world of skyrmions
$Flo-maps fractograms: the prequel$
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.
In conversation with Olubunmi Abidemi Fadipe-Joseph
Meet Olubunmi Abidemi Fadipe-Joseph, an active promoter for women in mathematics from Nigeria