St. Petersburg Mathematical Journal, 16. ciltAmerican Mathematical Society, 2005 |
Kitabın içinden
46 sonuçtan 1-3 arası sonuçlar
Sayfa 1
... SPECTRUM IN GAPS . THRESHOLD EFFECTS Let A be a selfadjoint operator with a gap ( A_ , A + ) in the spectrum . This means that the interval ( \ __ , λ + ) is free of points of the spectrum , and the edges X and X + belong to the spectrum ...
... SPECTRUM IN GAPS . THRESHOLD EFFECTS Let A be a selfadjoint operator with a gap ( A_ , A + ) in the spectrum . This means that the interval ( \ __ , λ + ) is free of points of the spectrum , and the edges X and X + belong to the spectrum ...
Sayfa 5
... spectrum . For them , a completely abstract perturbation method rela- tive to the parameter t = | k | can be developed near the point 0. With further applications in mind , it does not suffice to look only at the leading order of ...
... spectrum . For them , a completely abstract perturbation method rela- tive to the parameter t = | k | can be developed near the point 0. With further applications in mind , it does not suffice to look only at the leading order of ...
Sayfa 417
... SPECTRUM R. G. SHTERENBERG Dedicated to my dear teacher M. Sh . Birman ABSTRACT . The structure of the lower edge of the spectrum of a periodic magnetic Schrödinger operator is investigated . It is known that in the nonmagnetic case the ...
... SPECTRUM R. G. SHTERENBERG Dedicated to my dear teacher M. Sh . Birman ABSTRACT . The structure of the lower edge of the spectrum of a periodic magnetic Schrödinger operator is investigated . It is known that in the nonmagnetic case the ...
İçindekiler
ISOMETRIC EMBEDDINGS OF FINITEDIMENSIONAL SPACES | 17 |
CONTENTS | 27 |
1 Introduction | 117 |
Telif Hakkı | |
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analytic apply approximation assume asymptotic belongs BKN-equation block boundary bounded called closed coefficients compatible complete components condition Consequently consider constant construction contains continuous corresponding covering defined definition denote differential domain edge eigenvalues embedding equal equation estimate example exists extension fact fibers field finite fixed formula function given graph harmonic implies inequality integral invertible Lemma linear manifold Math Mathematical matrix monodromy Moreover norm obtain operator oriented pair particular periodic polynomial positive potential present problem proof properties Proposition prove rational relation Remark representation respect result satisfies selfadjoint separation singular smooth solution space spectral spectrum statement Subsection sufficiently Suppose surface symmetric Theorem theory transl true unique values vector vertex vertices zero