On the inverse multifunction (Q1332604)
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scientific article; zbMATH DE number 627525
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On the inverse multifunction |
scientific article; zbMATH DE number 627525 |
Statements
On the inverse multifunction (English)
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31 August 1994
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Let \(f : X \to Y\) be a function such that \(f(X) = Y\) and let \(F_f (y) = f^{-1} (y)\) for \(y \in Y\). For the multifunction \(F_f\) are settled conditions in which it is upper (lower) semicontinuous as not lower quasicontinuous at the point \(y = f(x)\).
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upper semicontinuity
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quasicontinuity
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graph
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lower semicontinuity
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multifunction
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