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This tag is used if a reference is needed in a paper or textbook on a specific result.

5 votes
1 answer
299 views

Unbounded Component of the Fredholm Domain

Let $X$ be a Banach space and $T \in \mathcal L(X)$. The authors Engel and Nagel introduce in their book "One-Parameter Semigroups for Linear Evolution Equations" on p. 248 the concept of the Fredhol …
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1 vote
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Derivatives of measures of bounded variation on intervals

Investigating an abstract Cauchy problem on the space of measures with bounded variation I came up with the following space: Let $\operatorname{BV}[a,b]$ the space of all functions $f:[0, 1] \to \math …
Adriano's user avatar
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