Weakly tight functions and their decomposition

HIGHLIGHTS

  • who: WEAKLY TIGHT FUNCTIONS et al. from the (UNIVERSITY) have published the research: WEAKLY TIGHT FUNCTIONS AND THEIR DECOMPOSITION, in the Journal: (JOURNAL) of 30/Dec/2004

SUMMARY

    Weakly tight functions and their decomposition β is tight (there K is taken to be closed under addition). The mapping ξ is said to be superadditive (subadditive, resp.) if for f1, f2 ∈ C such that f1 + f2 ∈ C, ξ( f1 + f2 ) ≥ ξ( f1 ) + ξ( f2 ) (ξ( f1 + f2 ) ≤ ξ( f1 ) + ξ( f2 ), resp.); ξ is said to be additive if it is both superadditive and subadditive. A function ξ: C → I is called subadditive modulo . . .

     

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