Veganuary specials:

This week: 20% off all vegan main hot meals

Monday 12 – Friday 16: launch of new vegan cakes

Monday 19 – Friday 23: free alternative milks with all hot and iced drinks

Monday 26 – Friday 30: buy one, get one half price on all vegan cakes and pastries

Cats are mathematically smart. They can count to nine, they are rarely heading for a fall, and when they are, they always land on their feet. But sometimes they just don't know whether they are coming or going.

Rabbit: a small furry mammal. 'Rabbit, rabbit, rabbit: a superstition for day one of the month to bring luck for the rest of it. 'Rabbit and pork: Cockney rhyming slang for talk, as in too much of. Rabbit: a maths puzzle?

You can watch Robin's full 15-minute talk on the Golden Ratio here.

Highlights from the comments on our social media in 2025: Flat Earthers 'descending' on our Space video; raging rows over nothing in particular; and lots of that crazy little thing called love. Familiar? Oh, yes And AI.

One criticism of mathematicians is that they always seem to have an answer for everything. Nothing is beyond their reach. Absolutely right. Take the Christmas menu for example. Joshua Bull is your waiter.

Thu, 22 Jan 2026
17:00
Lecture Theatre 1

How Costly is Your Brain's Activity Pattern? - Dani Bassett

Dani Bassett
(University of Pennsylvania.)
Further Information

Neural systems in general - and the human brain in particular - are organised as networks of interconnected components. Across a range of spatial scales from single cells to macroscopic areas, biological neural networks are neither perfectly ordered nor perfectly random. Their heterogeneous organisation supports - and simultaneously constrains - complex patterns of activity. 

How does the network constraint affect the cost of a specific brain's pattern? In this talk, Dani will use the formalism of network control theory to define a notion of network economy and will demonstrate how the principle of network economy can inform our study of neural system function in health and disease and provide a useful lens on neural computation.

Dani Bassett is the J. Peter Skirkanich Professor at the University of Pennsylvania. In 2016, Dani was named one of the ten most brilliant scientists of the year by Popular Science magazine and in 2018 received the Erdős–Rényi Prize for fundamental contributions to our understanding of the network architecture of the human brain.

Please email @email to register to attend in person.

The lecture will be broadcast on the Oxford Mathematics YouTube Channel on Wednesday 11 February at 5-6 pm and any time after (no need to register for the online version).

The Oxford Mathematics Public Lectures are generously supported by XTX Markets.

Distant digraph domination
Nguyen, T Scott, A Seymour, P Electronic Journal of Combinatorics
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