St. Petersburg Mathematical Journal, 12. cilt,507-1059. sayfalarAmerican Mathematical Society, 2001 |
Kitabın içinden
66 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 = b3 ( M ) ; 2 ) the Abelian group G = H2 ( M ) ; Є 3 ) the homomorphism ww2 ( M ) Hom ( G , Z2 ) -the two - dimensional Stiefel- Whitney class , and the derived invariant m € { 1 , 2 ...
... invariants for M : 1 ) the nonnegative integer r = b3 ( M ) ; 2 ) the Abelian group G = H2 ( M ) ; Є 3 ) the homomorphism ww2 ( M ) Hom ( G , Z2 ) -the two - dimensional Stiefel- Whitney class , and the derived invariant m € { 1 , 2 ...
İçindekiler
DISCRETE SPECTRUM OF A TWODIMENSIONAL | 566 |
SH BIRMAN A LAPTEV AND T A SUSLINA | 711 |
0 Introduction | 746 |
Telif Hakkı | |
3 diğer bölüm gösterilmiyor
Diğer baskılar - Tümünü görüntüle
Sık kullanılan terimler ve kelime öbekleri
arbitrary assume asymptotic axes axis B-representable bordism boundary central simple algebra cohomology coincides compact consider construction corresponding defined definition denote disks eigenvalues English transl entire function equation equivalent estimate exists exponential type F-algebra fiber finite formula graph Hence Hilbert Hilbert space homomorphism homotopy Hopf algebras hypersurface implies inequality integral invariant isomorphism isotropic kernel Lemma M₁ M₂ manifold Math Mathematical matrix Muckenhoupt n-variation neighborhood obtain orthogonal polynomial Pontryagin classes problem proof of Theorem Proposition proved quadratic form quasiexponential R+in regular regular neighborhood relation representation satisfies condition Schrödinger operator selfadjoint semigroup sequence similar skew cylinder skew field smooth space spectral spectrum Spin Sq¹ Sq² statement Subsection subspace theory topological trivial tSpin variation vector vector-valued functions weight Y-modification zero