On the range of an analytic multivalued function (Q802050)

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scientific article; zbMATH DE number 3881024
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On the range of an analytic multivalued function
scientific article; zbMATH DE number 3881024

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    On the range of an analytic multivalued function (English)
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    1986
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    Proofs are given of set-valued analogues of Rouché's theorem, the argument principle, and the Picard theorems. This is achieved by developing a rudimentary theory of upper semicontinuous multivalued lifts.
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    set-valued analogues of Rouché's theorem
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    Picard theorems
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