Macaulay2 » Documentation
Packages » Posets :: diamondProduct
next | previous | forward | backward | up | index | toc

diamondProduct -- computes the diamond product of two ranked posets

Description

The diamond product of two ranked posets is the Cartesian product of the posets with their minimal elements removed and a new minimal element adjoined to the product.

i1 : diamondProduct(chain 3, chain 3)

o1 = Relation Matrix: | 1 1 1 1 1 |
                      | 0 1 1 1 1 |
                      | 0 0 1 0 1 |
                      | 0 0 0 1 1 |
                      | 0 0 0 0 1 |

o1 : Poset

See also

Ways to use diamondProduct:

  • diamondProduct(Poset,Poset)

For the programmer

The object diamondProduct is a method function.


The source of this document is in Posets.m2:3124:0.