Hedge Connectivity without Hedge Overlaps. - Rupei Xu; Warren Shull (CoRR, 2020)

On spanning trees with few branch vertices. - Ronald J. Gould; Warren Shull (Discret. Math., 2020)

On difference graphs and the local dimension of posets. - Jinha Kim; Ryan R. Martin; Tomás Masarík; Warren Shull; Heather C. Smith; Andrew J. Uzzell; Zhiyu Wang (Eur. J. Comb., 2020)