In Fulton's Intersection Theory, he develops the notation $\int_X$ for the degree homomorphism from $A^*(X)$ to $\mathbb{Z}$, and I was wondering if there was a reason for the notation. Is this in any sense a kind of integration?
2026-05-16 22:03:58.1778969038
Integral notation for degree homomorphism on algebraic cycles
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Oh, it corresponds to integration of top-level differential forms over the analytic space when $A^*$ is identified with the (even) cohomology ring.