Abel's Test for Uniform Convergence
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This theorem requires a proof..
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Contents
Theorem
Let $\sequence {\map {a_n} z}$ and $\sequence {\map {b_n} z}$ be sequences of complex functions on a compact set $K$.
Let $\sequence {\map {a_n} z}$ be such that:
- $\sequence {\map {a_n} z}$ is bounded in $K$
- $\displaystyle \sum \size {\map {a_n} z - \map {a_{n + 1} } z}$ is convergent with a sum which is bounded in $K$
- $\displaystyle \sum \map {b_n} z$ is uniformly convergent in $K$.
Then $\displaystyle \sum \map {a_n} z \map {b_n} z$ is uniformly convergent on $K$.
Proof
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Source of Name
This entry was named for Niels Henrik Abel.
Sources
- 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): Entry: Abel's test: 2. Abel's test for uniform convergence.
