next
|
previous
|
forward
|
backward
| up |
top
|
index
|
toc
|
Macaulay2 web site
Posets
::
atoms
atoms -- computes the list of elements covering the minimal elements of a poset
Synopsis
Usage:
A = atoms P
Inputs:
P
,
an object of class
Poset
Outputs:
A
,
a
list
, elements covering the minimal elements of a poset
Description
An atom of a poset is an element which covers a minimal element of the poset.
i1 : atoms booleanLattice 3 o1 = {001, 010, 100} o1 : List
i2 : atoms chain 5 o2 = {2} o2 : List
See also
coveringRelations
-- computes the minimal list of generating relations of a poset
minimalElements
-- determines the minimal elements of a poset
Ways to use
atoms
:
atoms(Poset)