Packings of Equal Disks in a Square Torus. - Robert Connelly; Matthew Funkhouser; Vivian Kuperberg; Evan Solomonides (Discret. Comput. Geom., 2017)

Chip-Firing on Trees of Loops. - Sameer Kailasa; Vivian Kuperberg; Nicholas Wawrykow (Electron. J. Comb., 2018)