Reference health
Seven kinds of monotone maps
4/4 checkable references clean · checked 2026-08-28
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
2 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 4 checked references that resolve
The 2 references without a DOI — listed, not checked
no DOI — not checkedOrtega, J. M., andRheinboldt, W. C.,Interactive Solutions of Nonlinear Equations in Several Variables, Academic Press, New York, New York, 1970.
no DOI — not checkedAvriel, M., Diewert, W. E., Schaible, S., andZiemba, W. T.,Introduction to Concave and Generalized Concave Functions, Generalized Concavity in Optimization and Economics, Edited by S. Schaible and W. T. Ziemba, Academic Press, New York, New York, pp. 21?50, 1981.
What this badge says. CiteStamped means the CHECKABLE references of this
work were clean at the dated check: each resolved to a known work in a public registry, and none
carried a retraction notice at that time. It says nothing about the quality, findings,
or importance of the work itself, and nothing about references deposited without a DOI.
checked 2026-08-28 — re-checked daily as this page is visited; titles and statuses come from Crossref and DataCite and are not part of the signed record
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