Invertible Operators on Banach Spaces
In this article, using the Mizar system [2], [1], we discuss invertible operators on Banach spaces. In the first chapter, we formalized the theorem that denotes any operators that are close enough to an invertible operator are also invertible by using the property of Neumann series.
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| Format: | Article |
| Language: | English |
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Sciendo
2019-07-01
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| Series: | Formalized Mathematics |
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| Online Access: | https://doi.org/10.2478/forma-2019-0012 |