protoadditive
adjEtymology From proto- + additive.
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Mathematics, Sciences Of a function Having the property that the result when applied to x + y is less than or equal to the sum of the result when applied to x plus the result when applied to y, for all values x and y in the domain.
- In particular the role of protoadditive functors in the study of Hopf formulae for homology is explained..2015, Tomas Everaert, Marino Gran, “Some aspects of semi-abelian homology and protoadditive functors”, in arXiv: