Resum
Let X : ℝ 2 → ℝ 2 be a C 1 map. Denote by Spec(X) the set of (complex) eigenvalues of DX p when p varies in ℝ 2 . If there exists ε > 0 such that Spec(X) ∩ (-ε, ε) = ∅, then X is injective. Some applications of this result to the real Keller Jacobian conjecture are discussed.
| Idioma original | Anglès |
|---|---|
| Pàgines (de-a) | 1187-1201 |
| Revista | Canadian Journal of Mathematics |
| Volum | 54 |
| Número | 6 |
| DOIs | |
| Estat de la publicació | Publicada - 1 de gen. 2002 |