superadditive

English

Etymology

super- +‎ additive

Adjective

superadditive (not comparable)

(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

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