Theory of Linear Operators in Hilbert Space ) surveyed every field of

) surveyed every field of learning known to the ancient world and pioneered the sciences of psychology and logic

it is also designed as a definitive source of high-quality

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Torn between a romantic nostalgia for the past and a driving ambition for the future

Theory of Linear Operators in Hilbert Space ) surveyed every field ofThis classic textbook by two mathematicians from the USSR's prestigious Kharkov Mathematics Institute introduces linear operators in Hilbert space, and presents in detail the geometry of Hilbert space and the spectral theory of unitary and self adjoint operators. It is directed to students at graduate and advanced undergraduate levels, but because of the exceptional clarity of its theoretical presentation and the inclusion of results obtained by