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Macaulay2 website
HyperplaneArrangements
::
vee
vee -- join operation in intersection lattice
Synopsis
Usage:
vee(F,G)
Inputs:
F
,
an
intersection of hyperplane(s)
, a flat
G
,
an
intersection of hyperplane(s)
, another flat from the same arrangement
Outputs:
H
,
an
intersection of hyperplane(s)
, the flat of least codimension that contains in both
F
and
G
. If one identifies flats with subspaces, this is the intersection of subspaces
F
and
G
.
Description
The operator
Flat | Flat
can be used as a synonym.
Ways to use
vee
:
"vee(Flat,Flat)"
For the programmer
The object
vee
is
a
method function
.