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Two-sided operator inequalities with nonmonotone operators - MaRDI portal

Two-sided operator inequalities with nonmonotone operators (Q2461909)

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Two-sided operator inequalities with nonmonotone operators
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    Two-sided operator inequalities with nonmonotone operators (English)
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    21 November 2007
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    The authors provide estimates of the form \(u\leq x^*\leq v\) for solution \(x^*\) of the equation \(Fx= x\), where \(F: E_1\to E_1\subseteq E\) is a certain operator and \(E\) is a semi-ordered space.
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    isotone operators
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