St. Petersburg Mathematical Journal, 8. cilt,1-542. sayfalarAmerican Mathematical Society, 1997 |
Kitabın içinden
49 sonuçtan 1-3 arası sonuçlar
Sayfa 111
... PERTURBATION THEORY AND SUMMABILITY As is well known , in the nonregular case , perturbation theory is an asymptotic method for the study of the spectrum of an operator . Moreover , perturbation theory allows one to use regular methods ...
... PERTURBATION THEORY AND SUMMABILITY As is well known , in the nonregular case , perturbation theory is an asymptotic method for the study of the spectrum of an operator . Moreover , perturbation theory allows one to use regular methods ...
Sayfa 118
... Perturbation theory does not distinguish between the two opera- tors ( having different conditions at ∞ ) , and the perturbation series for the eigenvalue 0 at g = 0 vanish identically . But the original operator H - 2 ( g ) is ...
... Perturbation theory does not distinguish between the two opera- tors ( having different conditions at ∞ ) , and the perturbation series for the eigenvalue 0 at g = 0 vanish identically . But the original operator H - 2 ( g ) is ...
Sayfa 120
... perturbation problem , but also in this case the perturbation theory , adapted and assisted by summation methods and the complex WKB , can give the best asymptotic results . Some comments on the paper [ BuGr ] quoted above are in order ...
... perturbation problem , but also in this case the perturbation theory , adapted and assisted by summation methods and the complex WKB , can give the best asymptotic results . Some comments on the paper [ BuGr ] quoted above are in order ...
İçindekiler
REPRESENTATION OF A FORM | 17 |
10 The automorphism groups of discriminant forms | 59 |
12 A general formula for the weight of representations | 65 |
Telif Hakkı | |
5 diğer bölüm gösterilmiyor
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2can a₁ arbitrary assume assumptions asymptotics b₁ boundary bounded classical coefficients compact condition congruence constant construction convex convex hull corresponding curvature curve decomposition defined definition denote differential dimension discrete domain eigenfunctions eigenvalues elliptic English transl equation ergodic estimate exists finite fixed formula function genus gradient flow Grassmannians H₁ Hilbert space implies inequality integral invariant inverse isometric isospectral labeled graph lattice Lemma linear M₁ manifolds Math Mathematics Subject Classification matrix Moreover Morse functions nonzero obtain orbifolds orthogonal parameter periodic orbits perturbation Phys positive potential problem Proposition prove quadratic forms quantization quantum relation respect result satisfies Schrödinger equation Schrödinger operator selfadjoint semiclassical solutions space spectral spectrum square free Subsection subspace symbol symmetric theory vector wavelet Wiener zero