Lesson plan

Half-space

Half-space may refer to: * Half-space (geometry), either of the two parts into which a plane divides Euclidean space ** (Poincaré) Half-space model, a model of hyperbolic geometry using a Euclidean half-space ** Siegel upper half-space, a set of complex matrices with positive definite imaginary part * Half-space (punctuation), a spacing character half the width of a regular space * Half-space model (oceanography), an estimate for seabed height in areas without significant subduction

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Article summary

Half-space may refer to: * Half-space (geometry), either of the two parts into which a plane divides Euclidean space ** (Poincaré) Half-space model, a model of hyperbolic geometry using a Euclidean half-space ** Siegel upper half-space, a set of complex matrices with positive definite imaginary part * Half-space (punctuation), a spacing character half the width of a regular space * Half-space model (oceanography), an estimate for seabed height in areas without significant subduction

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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