St. Petersburg Mathematical Journal, 10. cilt,579-1070. sayfalarAmerican Mathematical Society, 1999 |
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76 sonuçtan 1-3 arası sonuçlar
Sayfa 637
... compact space of upper bounded curvature with extendable geodesics . Then for every xX the direction space Σr is a compact space of curvature at most 1 with extend- able geodesics . This allows us to define recurrently the direction ...
... compact space of upper bounded curvature with extendable geodesics . Then for every xX the direction space Σr is a compact space of curvature at most 1 with extend- able geodesics . This allows us to define recurrently the direction ...
Sayfa 834
... compact perturbations implies that if the spectrum σ ( A ) of A is countable , then for any compact B the operator A + B is pure point . The Carey - Pincus theorem [ C - P ] provides the following supplement to this proposition : if σ ...
... compact perturbations implies that if the spectrum σ ( A ) of A is countable , then for any compact B the operator A + B is pure point . The Carey - Pincus theorem [ C - P ] provides the following supplement to this proposition : if σ ...
Sayfa 937
... compact multiplication if for every ɛ > 0 there exists an integer N such that || x * y || < ε || x || · || y || k ... compact . ( ii ) The embedding l1 ( Z + , w ) Cl1 ( Z + , o ) is compact , where σ is as in ( 3.3.1 ) . ( iii ) limn w ...
... compact multiplication if for every ɛ > 0 there exists an integer N such that || x * y || < ε || x || · || y || k ... compact . ( ii ) The embedding l1 ( Z + , w ) Cl1 ( Z + , o ) is compact , where σ is as in ( 3.3.1 ) . ( iii ) limn w ...
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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