Paula Harder, Venkatesh Ramesh, et al.
EGU 2023
Lengauer and Tarjan proved that the number of black and white pebbles needed to pebble the root of a tree is at least half the number of black pebbles needed to pebble the root. This result is extended to a larger class of acyclic directed graphs including pyramid graphs. © 1985, ACM. All rights reserved.
Paula Harder, Venkatesh Ramesh, et al.
EGU 2023
Imran Nasim, Melanie Weber
SCML 2024
Susumu Horiguchi, Takeo Nakada
Journal of Parallel and Distributed Computing
Sebastian Hudert, Torsten Eymann, et al.
IEEE-CEC 2000