superadditive

English

Etymology

super- +‎ additive

Adjective

superadditive (not comparable)

1. (mathematics, of a function) Such that the image of a sum is at least the sum of the images of the summands.

   Knot genus is superadditive under band sum because $g(K_{1}\sharp _{b}K_{2})\geq g(K_{1})+g(K_{2})$.

Antonyms

• subadditive

Related terms

• superadditivity

Further reading

• superadditive on Wikipedia.Wikipedia