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Extensions of symmetric operators and symmetric binary relations

A. N. Kochubei


Abstract: Various classes of extensions of symmetric operators with equal (finite or infinite) defect numbers are described in terms of abstract boundary conditions. The dual problem of the description of extensions of a symmetric binary relation is also considered.

UDC: 513.88

Received: 20.02.1974

 English version: Mathematical Notes, 1975, 17:1, 25–28

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