最終更新日：2022/12/24
A common generalization of these two [circle graphs and circular arc graphs] are polygon-circle graphs, intersection graphs of convex polygons inscribed to the circle. This class was first suggested by M. Fellows [personal communication with the first author] in 1988, when it was pointed out that this class of graphs is closed under taking induced minors.
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A
common
generalization
of
these
two
[circle
graphs
and
circular
arc
graphs]
are
polygon-circle
graphs,
intersection
graphs
of
convex
polygons
inscribed
to
the
circle.
This
class
was
first
suggested
by
M.
Fellows
[personal
communication
with
the
first
author]
in
1988,
when
it
was
pointed
out
that
this
class
of
graphs
is
closed
under
taking
induced
minors.
