Characteristic classes (Stiefel-Whitney / Chern / Pontryagin)

Layer 0 — Mathematicsin the algebraic-topology subtree

Stiefel-Whitney w_i(E) ∈ H^i(B,Z/2); Chern c_i(E) ∈ H^{2i}(B,Z); Pontryagin. Obstruct triviality of vector-bundles. Splitting principle. Foundation of differential-topology.

Related concepts

Cohomology H^n(X)

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