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Subadditive
functions
Chi Song Wong |
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Vol. 36 (1971), No. 2, 549–551
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Abstract |
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In a recent paper, D. W. Boyd and J. S. W. Wong ask for an example of positive subadditive function ϕ for which ϕ(t) < t for all t and there exist 0 < c < d such that supt∈[c,d]ϕ(t)∕t = 1. Our main result is that such an example does not exist. |
Mathematical Subject Classification
Primary: 26.52
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Milestones
Received: 27 July 1970
Published: 1 February 1971
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Authors |
| Chi Song Wong | |
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