元となった辞書の項目
Erdős number
noun
(mathematics)
A
number
describing
the
degree
of
collaboration
between
a
mathematician
and
Paul
Erdős,
defined
such
that
a
mathematician
who
has
written
a
paper
with
Erdős
has
an
Erdős
number
of
1,
a
mathematician
who
has
written
a
paper
with
somebody
having
an
Erdős
number
of
1
has
an
Erdős
number
of
two,
and
so
on.
意味（1）
(mathematics)
A
number
describing
the
degree
of
collaboration
between
a
mathematician
and
Paul
Erdős,
defined
such
that
a
mathematician
who
has
written
a
paper
with
Erdős
has
an
Erdős
number
of
1,
a
mathematician
who
has
written
a
paper
with
somebody
having
an
Erdős
number
of
1
has
an
Erdős
number
of
two,
and
so
on.
