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Mathematics: clarifying that the sphere being talked about is not the typical (2-)sphere; change to exotic R4 is for consistency
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==Mathematics==
==Mathematics==
*[[Exotic R4|Exotic R<sup>4</sup>]], a differentiable manifold, homeomorphic but not diffeomorphic to the Euclidean space R<sup>4</sup>
*[[Exotic R4|Exotic R<sup>4</sup>]], a differentiable 4-manifold, homeomorphic but not diffeomorphic to the Euclidean space R<sup>4</sup>
*[[Exotic sphere]], a differentiable manifold, homeomorphic but not diffeomorphic to the ordinary sphere
*[[Exotic sphere]], a differentiable ''n''-manifold, homeomorphic but not diffeomorphic to the ordinary ''n''-sphere


==Physics==
==Physics==

Revision as of 00:59, 8 November 2015

Exotic can mean:

Finances

Mathematics

  • Exotic R4, a differentiable 4-manifold, homeomorphic but not diffeomorphic to the Euclidean space R4
  • Exotic sphere, a differentiable n-manifold, homeomorphic but not diffeomorphic to the ordinary n-sphere

Physics

Military

  • Unusual weapons, kit, equipment etc., but offers great potential and usually is used by professionals.
  • Exotic weaponry

Music

See also