最終更新日
：2023/09/06
real projective plane
noun
(geometry)
A
three-dimensional
vector
space
over
the
field
of
real
numbers
in
which
one-dimensional
linear
subspaces
are
considered
as
“points”
and
two-dimensional
linear
subspaces
are
considered
as
“lines”.
Equivalently,
a
sphere
in
which
pairs
of
antipodal
points
are
considered
as
“points”
and
great
circles
are
considered
as
“lines”.
意味（1）
(geometry)
A
three-dimensional
vector
space
over
the
field
of
real
numbers
in
which
one-dimensional
linear
subspaces
are
considered
as
“points”
and
two-dimensional
linear
subspaces
are
considered
as
“lines”.
Equivalently,
a
sphere
in
which
pairs
of
antipodal
points
are
considered
as
“points”
and
great
circles
are
considered
as
“lines”.
復習用の問題
正解を見る
(geometry) A three-dimensional vector space over the field of real numbers in which one-dimensional linear subspaces are considered as “points” and two-dimensional linear subspaces are considered as “lines”. Equivalently, a sphere in which pairs of antipodal points are considered as “points” and great circles are considered as “lines”.
The real projective plane is a fundamental concept in mathematics.
正解を見る
The real projective plane is a fundamental concept in mathematics.
English Dictionary
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