SEMINARIO
DI MATEMATICA
Venerdė 22
febbraio 2013
ore 14:00
Scuola
Normale Superiore
Pisa
Aula Bianchi
Prof. Dong Han Kim
Department of
Mathematics Education,
Dongguk University
Terrā un
seminario dal titolo:
“Sturmian
coloring of regular trees”
Abstract:
In this talk, we study
subword complexity b(n) of
colorings of regular trees. We classify colorings of subword
complexity
b(n)<= n + 2 into periodic colorings, eventually periodic
colorings and
Sturmian
colorings, and study them. We further classify Sturmian
colorings of regular
trees by their type set. We
show that
Sturmian colorings are all induced from an infinite of
bi-infinite sequence on
a quotient ray of the tree, and that Sturmian colorings of
bounded type is
induced from an eventually periodic sequence on a quotient
ray. This is joint
work with Seonhee Lim.
Tutti
gli interessati sono invitati a
partecipare.
Classe
di Scienze
-- Valeria Giuliani Scuola Normale Superiore Area Didattica Servizio Supporto Attivitā Didattiche tel.050509260 Fax.050509045 v.giuliani@sns.it adi.sd@sns.it