Putanga 1: E whakaatu ana tēnei ki a tātou ko ngā Rōpū DeRham-Cohomology-Formula 4 he ōrite katoa. Putanga 2: E whakaatu ana tēnei ki a tātou ko ngā rōpū cohomology ōrite o te tātai 4 he de-Rham katoa. Pātai: He ōrite te tikanga o te rerenga 1 me te rerenga 2? He Ae, he Kore rānei?
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