Et alors que revoilà ̶s̶o̶u̶s̶-̶p̶r̶é̶f̶è̶t̶e̶ les cours en distanciel
Guillaume
@guillaume-garrigos.com
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Chaque soir: Tente de conquérir le monde. Le reste du temps: MCF (Paris). @GuillaumeG_ sur X 🇨🇵 🇬🇧 🇪🇸 🇮🇹
![Theorem 3.1 (Bass, Connell, Wright [2]). Let F be a polynomial mapping of Cn
with constant nonzero Jacobian. Then the following statements are equivalent:
(1) F is invertible and F −1 is a polynomial mapping.
(2) F is injective.
(3) F is proper](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:3w4a5oi5exs445ybme42my77/bafkreidri3wfelqvrc3aiggno6it52io6etlgg4uqhbxfpfevlets6zrwe)
