Jack Smith

Photo credit: Layton Thompson
I am a College Lecturer, and the Director of Studies in Pure Mathematics, at St John's College, Cambridge. I am also an Affiliated Lecturer in the Department of Pure Mathematics and Mathematical Statistics.

Previously I was a visiting researcher at the Fields Institute, Toronto, a postdoc at University College London, and a PhD student of Ivan Smith.

Here you can find my thesis, me on arXiv, and my department profile page.

I can be contacted by email at j.smith AT dpmms.cam.ac.uk.

I am pleased to support effective charities through Giving What We Can.


My main interests are in mirror symmetry and in interactions between algebra and Floer theory.

Research papers:

The preprint Generating the Fukaya categories of compact toric varieties (arXiv) has some gaps but is essentially superseded by Superfiltered \(A_\infty\)-deformations... and work in progress.

Talk slides and videos:


In 2022–23 I am lecturing Part III Differential Geometry. Course resources, including video lectures and example sheets, are available to registered students on Moodle. The course is similar, but not identical, to the one I gave in the last two years.

In June 2018 I gave a short lecture course on K-theory to PhD students at the London School of Geometry and Number Theory. Expanded notes are available here.