Definition:Limit Superior of Extended Real Sequence
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Definition
Let $\sequence {x_n}$ be an extended real sequence.
The limit superior of $\sequence {x_n}$ is defined as:
- $\ds \limsup x_n : = \map {\inf_{k \mathop \ge 1} } {\sup_{n \mathop \ge k} x_n}$
Also see
- Definition:Limit Inferior of Extended Real Sequence
- Existence of Limit Superior of Extended Real Sequence
Sources
- 1984: Gerald B. Folland: Real Analysis: Modern Techniques and their Applications : $\S P.5$