 The first meeting time is closely related to the rendezvous problem . In various works, the first meeting time of multiple random walk has been analyzed.
<meaning-changed>  The first meeting time is closely related to the rendezvous problem . In various works, the first meeting time of multiple random walk has been analyzed.
 The first meeting time is closely related to the rendezvous problem , which is are a fundamental problem in the field of computer science. In previous works, the first meeting time of multiple random walk has been analyzed.