Obstructions to a small hyperbolicity in Helly graphs. - Feodor F. Dragan; Heather M. Guarnera (Discret. Math., 2019)

Eccentricity terrain of δ-hyperbolic graphs. - Feodor F. Dragan; Heather M. Guarnera (CoRR, 2020)

Eccentricity terrain of δ-hyperbolic graphs. - Feodor F. Dragan; Heather M. Guarnera (J. Comput. Syst. Sci., 2020)

Eccentricity function in distance-hereditary graphs. - Feodor F. Dragan; Heather M. Guarnera (Theor. Comput. Sci., 2020)

Fellow Travelers Phenomenon Present in Real-World Networks. - Abdulhakeem Othman Mohammed; Feodor F. Dragan; Heather M. Guarnera (COMPLEX NETWORKS, 2021)

Helly-gap of a graph and vertex eccentricities. - Feodor F. Dragan; Heather M. Guarnera (Theor. Comput. Sci., 2021)

Injective Hulls of Various Graph Classes. - Heather M. Guarnera; Feodor F. Dragan; Arne Leitert (Graphs Comb., 2022)

Fast deterministic algorithms for computing all eccentricities in (hyperbolic) Helly graphs. - Feodor F. Dragan; Guillaume Ducoffe; Heather M. Guarnera (J. Comput. Syst. Sci., 2025)