Cake Cutting: An Envy-Free and Truthful Mechanism with a Small Number of Cuts

Takao Asano, Hiroyuki Umeda, Minming Li, Siu-Wing Cheng, Yixin Cao
2020
The mechanism for the cake-cutting problem based on the expansion process with unlocking proposed by Alijani, Farhadi, Ghodsi, Seddighin, and Tajik [Reza Alijani et al., 2017; Masoud Seddighin et al., 2019] uses a small number of cuts, but is not actually envy-free and truthful, although they claimed that it is envy-free and truthful. In this paper, we consider the same cake-cutting problem and give a new envy-free and truthful mechanism with a small number of cuts, which is not based on their
more » ... not based on their expansion process with unlocking.
doi:10.4230/lipics.isaac.2020.15 fatcat:gelf2dlqnfd6xppddk5tg7fsvm