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LEADER 00000cam a2200000 i 4500
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020 |a 9783110900163  |q (electronic bk.) 
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020 |z 9067643637 
020 |z 9789067643634 
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082 0 4 |a 515/.724  |2 22 
049 |a UAMI 
100 1 |a Pyatkov, S. G. 
245 1 0 |a Operator theory :  |b nonclassical problems /  |c S.G. Pyatkov. 
264 1 |a Utrecht ;  |a Boston :  |b VSP,  |c 2002. 
300 |a 1 online resource (ix, 346 pages) 
336 |a text  |b txt  |2 rdacontent 
337 |a computer  |b c  |2 rdamedia 
338 |a online resource  |b cr  |2 rdacarrier 
490 1 |a Inverse and ill-posed problems series,  |x 1381-4524 
504 |a Includes bibliographical references (pages 323-346) and index. 
588 0 |a Print version record. 
505 0 |a Chapter 1. Indefinite inner product spaces. Linear operators. Interpolation -- 1. Indefinite inner product spaces -- 1.1. Definitions -- 1.2. Krein spaces -- 1.3. The Gram operator. W-spaces -- 1.4. J-orthogonal complements. Projective completeness -- 1.5. J-orthonormalized systems -- 2. The basic classes of operators in Krein spaces -- 2.1. J-dissipative operators -- 2.2. J-selfadjoint operators -- 3. Interpolation of Banach and Hilbert spaces and applications -- 3.1. Preliminaries -- 3.2. Continuity of some functional in a Hilbert scale 
505 8 |a 3.3. Separation of the spectrum of an unbounded operator3.4. Interpolation properties of bases -- 4. The existence of maximal semidefinite invariant subspaces for J-dissipative operators -- 5. First order equations. Decomposition of a solution -- 5.1. Function spaces -- 5.2. The Cauchy problem -- 5.3. Auxiliary definitions. Some properties of imaginary powers of operators -- 5.4. Solvability of the Cauchy problem in the original Banach space -- 5.5. Adjoint problems -- 5.6. Arbitrary operators. Phase spaces -- 5.7. Remarks and examples 
505 8 |a Chapter 2. Spectral theory for linear selfadjoint pencils1. Examples -- 1.1. Selfadjoint pencils -- 1.2. Elliptic eigenvalue problems with indefinite weight function -- 2. Basic assumptions. The structure of root subspaces -- 3. The Riesz basis property. Invariant subspaces -- 3.1. Basis property -- 3.2. Invariant subspaces. Some applications -- 4. Sufficient conditions -- Chapter 3. Elliptic eigenvalue problems with an indefinite weight function -- 1. Auxiliary function spaces. Interpolation -- 1.1. Definitions -- 1.2. Interpolation of weighted Sobolev spaces 
505 8 |a 1.3. Inequalities of the Hardy type2. Preliminaries. Basic assumptions -- 2.1. Variational statement -- 2.2. Elliptic problems -- 3. Basisness theorems -- 3.1. The general case -- 3.2. The one-dimensional case -- 4. Examples and counterexamples -- Chapter 4. Operator-differential equations -- 1. Generalized solutions. Positive definite case -- 1.1. Preliminaries -- 1.2. Uniqueness and existence theorems -- 2. Degenerate case -- 2.1. Preliminaries -- 2.2. Solvability theorems. The case of a bounded interval 
505 8 |a 2.3. Solvability theorems. The case of the interval (0, 8)2.4. Smoothness of solutions. Orthogonality conditions -- 2.5. The periodic problem. Linear inverse problems -- 3. The Fourier method -- 3.1. Representation of solutions. First order equations -- 3.2. Some problems for the second order equations -- 4. Some applications to partial differential equations -- 4.1. Higher order parabolic equations with changing time direction -- 4.2. Second order parabolic equations with changing time direction -- 4.3. Orthogonality conditions. Parabolic equations 
590 |a ProQuest Ebook Central  |b Ebook Central Academic Complete 
650 0 |a Operator theory. 
650 0 |a Interpolation spaces. 
650 0 |a Nonclassical mathematical logic. 
650 0 |a Banach spaces. 
650 6 |a Théorie des opérateurs. 
650 6 |a Espaces d'interpolation. 
650 6 |a Logique mathématique non classique. 
650 6 |a Espaces de Banach. 
650 7 |a MATHEMATICS  |x Calculus.  |2 bisacsh 
650 7 |a MATHEMATICS  |x Mathematical Analysis.  |2 bisacsh 
650 7 |a Banach spaces  |2 fast 
650 7 |a Interpolation spaces  |2 fast 
650 7 |a Nonclassical mathematical logic  |2 fast 
650 7 |a Operator theory  |2 fast 
758 |i has work:  |a Operator theory. Nonclassical problems (Text)  |1 https://id.oclc.org/worldcat/entity/E39PCFXmqrXYMmw39P9Qwm9JWC  |4 https://id.oclc.org/worldcat/ontology/hasWork 
776 0 8 |i Print version:  |a Pyatkov, S.G.  |t Operator theory  |z 9067643637  |w (DLC) 2002512416  |w (OCoLC)51216246 
830 0 |a Inverse and ill-posed problems series.  |x 1381-4524 
856 4 0 |u https://ebookcentral.uam.elogim.com/lib/uam-ebooks/detail.action?docID=3042828  |z Texto completo 
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994 |a 92  |b IZTAP