# Jonathan Fruchter

**Address**

Mathematical Institute

University of Oxford

Andrew Wiles Building

Radcliffe Observatory Quarter

Woodstock Road

Oxford

OX2 6GG

Clarendon Scholar, University of Oxford (2019-)

Moussouris Graduate Scholarship in Mathematics, Merton College (2019-)

I am a Stipendiary Lecturer in Pure Mathematics at Exeter College (University of Oxford), teaching A2: Metric Spaces and Complex Analysis in Michaelmas ‘22-23.

I was a tutor and a TA at the University of Oxford, the Hebrew University of Jerusalem and Reichman University (IDC Herzliya). I taught linear algebra, discrete mathematics, general topology, set theory, mathematical logic, infinite groups, geometry of surfaces, group theory and integration.

My research is in **geometric group theory** and my work explores connections between geometry, topology and profinite rigidity.

I am also interested in model theory and the first-order theory of groups.

- Characterising surface groups by their virtual second betti number,
with an appendix by Ismael Morales. Preprint (arXiv:2209.14925)- Limit groups over coherent right-angled Artin groups are cyclic subgroup separable. To appear in the
Michigan Mathematical Journal(arXiv:2101.10458)- Formal solutions and the first-order theory of acylindrically hyperbolic groups,
with Simon André.Journal of the London Mathematical Society105-2 (2022), 1012-1072 (open access)