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Linear Operators and their Spectra (Hardcover)
Loot Price: R2,726
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Linear Operators and their Spectra (Hardcover)
Series: Cambridge Studies in Advanced Mathematics
Expected to ship within 12 - 17 working days
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This wide ranging but self-contained account of the spectral theory
of non-self-adjoint linear operators is ideal for postgraduate
students and researchers, and contains many illustrative examples
and exercises. Fredholm theory, Hilbert-Schmidt and trace class
operators are discussed, as are one-parameter semigroups and
perturbations of their generators. Two chapters are devoted to
using these tools to analyze Markov semigroups. The text also
provides a thorough account of the new theory of pseudospectra, and
presents the recent analysis by the author and Barry Simon of the
form of the pseudospectra at the boundary of the numerical range.
This was a key ingredient in the determination of properties of the
zeros of certain orthogonal polynomials on the unit circle.
Finally, two methods, both very recent, for obtaining bounds on the
eigenvalues of non-self-adjoint Schrodinger operators are
described. The text concludes with a description of the surprising
spectral properties of the non-self-adjoint harmonic oscillator.
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