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A necessary and sufficient condition for the existence of a solution to an operator equation - MaRDI portal

A necessary and sufficient condition for the existence of a solution to an operator equation (Q4730347)

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scientific article; zbMATH DE number 4115358
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A necessary and sufficient condition for the existence of a solution to an operator equation
scientific article; zbMATH DE number 4115358

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    A necessary and sufficient condition for the existence of a solution to an operator equation (English)
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    1989
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    geometric condition for a strong-weak-continuous mapping in a
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    Banach space to have a fixed point
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    geometric condition for a strong-weak- continuous mapping in a Banach space to have a fixed point
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