next | previous | forward | backward | up | top | index | toc | Macaulay2 web site
ToricVectorBundles :: pp1ProductFan

pp1ProductFan -- the fan of n products of PP^1

Synopsis

Description

Generates the fan of the product of n projective one-spaces. This is the same as the normal fan of the n dimensional hypercube.

i1 : F = pp1ProductFan 2

o1 = F

o1 : Fan
i2 : rays F

o2 = | -1 1 0  0 |
     | 0  0 -1 1 |

              2        4
o2 : Matrix ZZ  <--- ZZ
i3 : maxCones F

o3 = {{1, 3}, {0, 3}, {1, 2}, {0, 2}}

o3 : List

See also

Ways to use pp1ProductFan :