Algebraic Topology
《Algebraic Topology》 · 第 285 页 · Section 11.4
A cochain complex has homomorphisms \(\delta^n:C^n\to C^{n+1}\), called coboundary operators or differentials, such that \(\delta^{n+1}\delta^n=0\).
Algebraic Topology
《Algebraic Topology》 · 第 285 页 · Section 11.4
A cochain complex has homomorphisms \(\delta^n:C^n\to C^{n+1}\), called coboundary operators or differentials, such that \(\delta^{n+1}\delta^n=0\).
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