Characteristic number

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The same as an eigen value or characteristic value of a matrix (see Characteristic polynomial).

The value of a characteristic class of the tangent bundle (or another interesting bundle) of a (closed) manifold on a fundamental cycle of this manifold.


[a1] J.W. Milnor, J.D. Stasheff, "Characteristic classes", Princeton Univ. Press (1974) MR0440554 Zbl 0298.57008
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Characteristic number. Encyclopedia of Mathematics. URL:
This article was adapted from an original article by A.F. Kharshiladze (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article