## University of Cambridge

Is the Universe finite or infinite? Is there infinity inside a black hole? Is space infinitely divisible or is there a shortest length? We talk to philosophers and physicists to find out.

Are there parallel universes? Universes in which, rather than reading this article, you are still asleep; in which you are happier, unhappier, richer, poorer, or even dead? The answer is "possibly". It's a controversial claim but one that has won more and more followers over the last few decades.

We talk to Carola-Bibiane Schönlieb, one of the women featured in the Women of Mathematics photo exhibition.

We talk to Holly Krieger, one of the women featured in the Women of Mathematics photo exhibition.

We talk to Julia Gog, one of the women featured in the Women of Mathematics photo exhibition.

We talk to Anne-Christine Davis, one of the women featured in the Women of Mathematics photo exhibition.

We talk to Nilanjana Datta, one of the women featured in the Women of Mathematics photo exhibition.

We talk to Natalia Berloff, one of the women featured in the Women of Mathematics photo exhibition.

*Women of Mathematics*photo exhibition.

Holly Krieger works in dynamical systems theory, in particular on chaotic systems. Some of her greatest mathematical moments have come from teaching students.