Griffin Johnston

john dot johnston at emory dot edu

(John is my first name, but I go by Griffin, my middle name)

I am a mathematics PhD student at Emory University. I'm advised by Sasha Polyanskii. I started in Fall of 2022.

I completed a MA in mathematics at Villanova in 2022, where I worked with Mike Tait. Before this I completed a BA in mathematics at Swarthmore College.

Research interests: discrete and convex geometry, extremal combinatorics, additive combinatorics.

Papers

Note on set representation of bounded degree hypergaphs -- with Ayush Basu, Vojtěch Rödl, and Marcelo Sales -- Electronic Journal of Combinatorics, 32(1) (2025), P1.27
A few new oddtown and eventown problems -- with Jason O'Neill -- to appear in Journal of Combinatorics
Upper and lower bounds on the size of $B_k[g]$ sets [slides] -- with Mike Tait and Craig Timmons -- Australasian Journal of Combinatorics, 83(1) (2022), 129-140
Cycles and girth in pebble assignment graphs [code] -- with Eugene Fiorini, Max Lind, Andrew Woldar, and Tony Wong -- Graphs and Combinatorics, 38(5), 154 (2022)

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