Pontryagin class
Sign in to savecharacteristic class defined for real vector bundles
Connections
Stiefel–Whitney class
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cohomology
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mathematics
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International Standard Book Number
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integer
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rational number
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quaternion
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manifold
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homeomorphism
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André Weil
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John Milnor
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Shiing-Shen Chern
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Lev Pontryagin
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homotopy
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Sergei Novikov
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Princeton University Press
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Riemannian manifold
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Encyclopedia of Mathematics
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Mathematical Reviews
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differentiable manifold
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