CONTENTS Introduction............................................................................5 1. The main ideas and results................................................6 2. $H^{n,k}$-invariant subsets of $ℋ^{n,k}$.........................22 3. Reduction to germs of differential 1-forms........................35 4. The case k ≥ 2n-3. Proof of Theorem A...........................44 5. The case n = 3, k = 2.......................................................46 Appendix. Connections with control theory...........................59 List of symbols......................................................................61 References..........................................................................63 References to the Appendix.................................................63
2
Dostęp do pełnego tekstu na zewnętrznej witrynie WWW