Search-and-fetch with 2 robots on a disk: Wireless and face-to-face communication models

We introduce and study treasure-evacuation with 2 robots, a new problem on distributed searching and fetching related to well studied problems in searching, rendezvous and exploration. The problem is motivated by real-life search-and-rescue operations in areas of a disaster, where unmanned vehicles (robots) search for a victim (treasure) and subsequently bring (fetch) her to safety (the exit). One of the critical components in such operations …