Macaulay2 » Documentation
Packages » HyperplaneArrangements :: isCentral(Arrangement)
next | previous | forward | backward | up | index | toc

isCentral(Arrangement) -- test to see if a hyperplane arrangement is central



Some methods only apply to arrangements a central hyperplane arrangement, so it is useful to be able to check.

i1 : S = QQ[x,y];
i2 : isCentral arrangement {x,y,x-1}

o2 = false

See also

Ways to use this method: