D1 + D2
D1 - D2
- D2
m * D1
The set of torus-invariant Weil divisors forms an abelian group under addition. The basic operations arising from this structure, including addition, subtraction, negation, and scalar multiplication by integers, are available.
We illustrate a few of the possibilities on one variety.
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The source of this document is in /build/reproducible-path/macaulay2-1.25.05+ds/M2/Macaulay2/packages/NormalToricVarieties/DivisorsDocumentation.m2:1492:0.