Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of a proposition that is equivalent to its dual.
  • adj. Of a graph or polyhedron that is the dual of itself.

Etymologies

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Examples

  • In my model, once the collapsing “late” universe is past the self-dual boundary (the critical density I referred to) and thus inside the black hole and approaching the Cauchy horizon inside, its rotation frame-drags it into a tremendously tightly wound spacetime “reel”, with each layer perhaps a Planck distance deep.

    The Arrow of Time in Scientific American

  • Matsuo can even derive the self-dual 3-form field strength in the M5-brane worldvolume as various objects in the 2+1-dimensional theory or their Hodge duals.

    The Reference Frame

  • For the teacher who wishes to pursue this theorem further, it is useful to know that it is a self-dual.

    Recently Uploaded Slideshows

  • Some polyhedra, such as the sphere, are self-dual.

    thing-a-day 2010

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