A monograph on the fundamentals of the theory of linear operators in spaces with an indefinite metric. Introduces the geometry of spaces with indefinite metric, and the central topics of operator theory, and explores variations on the theme. The theory is set out in Krein and Pontryagin spaces, with passing reference made to generalizations to Banach spaces and simply normed spaces. Also considers the application of the geometry and operator theory to actual problems. Includes examples, exercises and problems.

Language Notes

Text: English (translation)
Original Language: Russian

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