Publications

Journal Articles


Classification of Convex Ancient Solutions to Free Boundary Curve Shortening Flow in Convex Domains

Published in The Journal of Geometric Analysis, 2025

Joint with Theodora Bourni & Spencer Catron. We show that for each diameter of a closed convex region, there are exactly two ancient solutions to the free boundary curve shortening flow which backwards in time to said diameter.

Recommended citation: Theodora Bourni, Nathan Burns and Spencer Catron (2025). "Classification of Convex Ancient Solutions to Free Boundary Curve Shortening Flow in Convex Domains." The Journal of Geometric Analysis. 35(210).
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Preprints


Stability of the Shrinking Semi-Circle Under the Free Boundary Curve Shortening Flow

Published in arXiv, 2026

Joint with Theodora Bourni and Mat Langford. We prove a sharp rate of convergence for free boundary curve shortening flows whose normalised flow converge to the unit semi-circle.

Recommended citation: Theodora Bourni, Nathan Burns and Mat Langford (2026). "Stability of the Shrinking Semi-Circle under the Free Boundary Curve Shortening Flow" arXiv:2603.06949.
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