List by Author: Marianne Freiberger

The doubling time for the Omicron variant seems to be scarily fast. But how do you calculate it?

Can you capture people's behaviour in epidemiological models?

Reckoning with R: What will happen over autumn and winter?

Should we again reduce our social contacts? Is vaccinating 12-to-15-year-olds effective? What about boosters? The ready reckoner helps provide some answers.

The power of small things: Resurgent asymptotics

If you ignore exponentially small terms they can come back to bite you.

Stokes's phenomenon: An asymptotic adventure

How a question about rainbows led to an entire field of mathematics.

The unity of mathematics: a meeting in honour of Sir Michael Atiyah

Mathematicians from across maths and physics and around the world gathered to celebrate Sir Michael Atiyah.

Winter is coming: Where are we going?

What can we expect from the pandemic this winter and autumn?

On the road to dark energy (with chameleons)

We may be a little closer to a direct detection of dark energy thanks to a new result that came about, in a sense, by accident.

Keeping people safe at large events

How can sporting events, concerts, or festivals be kept safe in the face of rising COVID-19 infections?

COVID-19 and universities: What do we know?

What can last year's experiences tell us about the coming academic year?

Complex square roots

How to take the square root of a complex number — and discover a beautiful new surface in the process.

Euler's formula

There are a million things in maths named after Leonard Euler. Here's a beautiful formula involving complex numbers.