St. Petersburg Mathematical Journal, 10. cilt,579-1070. sayfalarAmerican Mathematical Society, 1999 |
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15 sonuçtan 1-3 arası sonuçlar
Sayfa 626
... homotopy convergence ( see Theorem 0.10 and Problems 0.14 b , c ) . Let f : XY be a homotopy equivalence with homotopy inverse g : Y → X. For compact metric spaces X , Y we put | XY│h = inf max { dis ( f ) , dis ( g ) } , ( f.g ) ...
... homotopy convergence ( see Theorem 0.10 and Problems 0.14 b , c ) . Let f : XY be a homotopy equivalence with homotopy inverse g : Y → X. For compact metric spaces X , Y we put | XY│h = inf max { dis ( f ) , dis ( g ) } , ( f.g ) ...
Sayfa 638
... homotopy equivalent to the link A. I - It is well known ( see [ RF , Chapter 5 , §4 ] ) that if X , Y are CW - complexes , then every weak homotopy equivalence X → Y , i.e. , a map inducing an isomorphism of the homotopy groups n for ...
... homotopy equivalent to the link A. I - It is well known ( see [ RF , Chapter 5 , §4 ] ) that if X , Y are CW - complexes , then every weak homotopy equivalence X → Y , i.e. , a map inducing an isomorphism of the homotopy groups n for ...
Sayfa 639
... homotopic to a via a homotopy H ; relative to the vertices of the barycentric subdivision ba A. Furthermore , if △ , CA ; is a face , then ß ; = ẞi | △ , and Hj = Hi | △ j × [ 0 , 1 ] . i 2 Proof . Compatibility can be ensured by ...
... homotopic to a via a homotopy H ; relative to the vertices of the barycentric subdivision ba A. Furthermore , if △ , CA ; is a face , then ß ; = ẞi | △ , and Hj = Hi | △ j × [ 0 , 1 ] . i 2 Proof . Compatibility can be ensured by ...
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American Mathematical Society analytic assume assumptions B₁ Banach algebra Beurling-Sobolev algebra boundary c₁ compact conformal mapping construct continuous convergence Corollary corresponding defined definition denote domain embedding English transl equation equivalent esk₁ estimate exists finite formula Fourier geodesic Hence Hilbert space homeomorphic homotopy implies inequality integral interpolation interval intrinsic metric inverse IP(Z kernel Lemma linear manifold mapping class groups Math Mathematics Subject Classification metric metric spaces mult N₁ nonselfadjoint norm obtain operator-valued function Petersburg polyhedron polynomial problem Proposition proved pure point r.i. space rank one perturbations relation respect scalar selfadjoint selfadjoint operator sequence singular spectrum solution spectral function spline subgroup Subsection subspace sufficiently symmetric operator theory unitary unitary operator upper bounded curvature vector field whence zero