Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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pabodu
2013-02-24 17:03:26

Is L^2[a,b] closed in L^1[a,b] ? Definitely, both L2 and L1-L2 are dense in L1. We treat L2 as a subset of L1 with ussal L1 metric.

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