ScalingStacks

\propname 3.2.8 . [01PA]

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\propname 3.2.8.

Supposons que XX soit purement de dimension nn et sans bord. Si α\alpha est une forme lisse de type (p,q)(p,q) sur XX, non nulle, alors il existe une forme β\beta de type (n−p,n−q)(n-p,n-q) sur XX telle que α∧β≠0\alpha\wedge\beta\neq 0.

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