St. Petersburg Mathematical Journal, 12. cilt,507-1059. sayfalarAmerican Mathematical Society, 2001 |
Kitabın içinden
67 sonuçtan 1-3 arası sonuçlar
Sayfa 520
... invariant , c ) homotopically invariant ? The Stiefel - Whitney characteristic classes are homotopically invariant for every closed manifold . The proof is based on their direct expression in terms of the fundamental cycle of a manifold ...
... invariant , c ) homotopically invariant ? The Stiefel - Whitney characteristic classes are homotopically invariant for every closed manifold . The proof is based on their direct expression in terms of the fundamental cycle of a manifold ...
Sayfa 604
... invariant of degree k is defined on a ( k - 1 ) -equivalence class . Using the same means , we can define such an invariant on an Entier ( k / 2 ) - equivalence class . In general , only the commutativity of the corresponding group is ...
... invariant of degree k is defined on a ( k - 1 ) -equivalence class . Using the same means , we can define such an invariant on an Entier ( k / 2 ) - equivalence class . In general , only the commutativity of the corresponding group is ...
Sayfa 668
... invariants for M : 1 ) the nonnegative integer r = = 1b3 ( M ) ; 2 ) the Abelian group G H2 ( M ) ; = 3 ) the homomorphism ww2 ( M ) € Hom ( G , Z2 ) —the two - dimensional Stiefel- Whitney class , and the derived invariant m Є { 1 , 2 ...
... invariants for M : 1 ) the nonnegative integer r = = 1b3 ( M ) ; 2 ) the Abelian group G H2 ( M ) ; = 3 ) the homomorphism ww2 ( M ) € Hom ( G , Z2 ) —the two - dimensional Stiefel- Whitney class , and the derived invariant m Є { 1 , 2 ...
İçindekiler
SH BIRMAN A LAPTEV AND T A SUSLINA | 536 |
2 Formulation of the main results | 543 |
4 Proof of Theorem 2 3 beginning | 551 |
Telif Hakkı | |
6 diğer bölüm gösterilmiyor
Diğer baskılar - Tümünü görüntüle
Sık kullanılan terimler ve kelime öbekleri
algebra apply arbitrary assume asymptotic axes axis base belongs boundary bounded called coincides compact complete condition consequence consider constant construction contains continuous corresponding defined definition denote depend described determined dimension disks element English transl equal equation equivalent estimate exists exponential extension fiber field Figure finite fixed formula function given graph Hence homomorphism identity implies inequality integral introduce invariant isomorphism Lemma manifold Math Mathematical neighborhood obtain operator positive problem projection Proof Proposition proved quadratic form recall regular relation remains Remark representation respectively restriction satisfies semigroup sequence side similar simple smooth solution space spectrum Sq² statement Subsection suffices Suppose Theorem theory transformation trivial true values variation vector weight zero