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2021
It is built from checkable properties of the record itself: whether the article has a DOI, how many independent sources confirmed its data, whether the required fields are filled in, and how recent the latest confirmation is. Disagreement between sources and a missing identifier lower it. A value of 80 or above means the record was published without further checking; 60 to 79 means it is published at reduced confidence, with a manual check advisable. A record verified by an editor by hand is never pushed below 90 by a recalculation. This scores our data about the article, not the article itself.
Let B(X) be the algebra of all bounded linear operators on a Banach space X with dimX ≥ 2. In this paper, we describe surjective maps φ : B(X) → B(X) preserving the coincidence points of operators, i.e., C(A,B) = C(φ(A), φ(B)), for every A,B ∈ B(X), where C(A,B) denotes the set of all coincidence points of two operators A and B.