CoherentSheaf ++ CoherentSheaf -- direct sum of coherent sheaves

CoherentSheaf ++ CoherentSheaf -- direct sum of coherent sheaves

Synopsis:

Operator: ++ -- a binary operator, usually used for direct sum

Input:

an instance of class CoherentSheaf.

Output:

an instance of class CoherentSheaf.

F ++ G -- direct sum of coherent sheaves.

Code:

     -- ../../../Macaulay2/m2/varieties.m2:120
     CoherentSheaf ++ CoherentSheaf := CoherentSheaf => (F,G) -> sheaf(F.variety, F.module ++ G.module)