Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mathematics The difference between the dimension of a space and the dimension of a given subspace of the first one.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

co- +‎ dimension

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Examples

  • In this case, the integrals over codimension-one slices are not interpreted as the total charge (which is quantized and conserved) but as the total entropy on the slice (which is not quantized, it's approximate, and increases).

    The Reference Frame 2010

  • The reason is that adding a clique of size norm must have tiny average on any subspace of small codimension.

    Gowers's Weblog 2009

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