Extensions of Laguerre operators in indefinite inner product spaces
Extensions of Laguerre operators in indefinite inner product spaces
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拉盖尔算子在不定内积空间中的推广
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发表时间:
1998
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通讯作者:
V. Derkach
中科院分区:
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作者:
V. Derkach
The Laguerre-Sonin polynomialsLn(α) are orthogonal in linear spaces with indefinite inner product ifα<−1. We construct the completion Π(α) of this space and describe self-adjoint extensions of the Laguerre operatorl(y)=xy″+(1+α−x)y′,α<−1, in the space Π(α). In particular, we write out the self-adjoint extension of the Laguerre operator whose eigenfunctions coincide with the Laguerre-Sonin polynomials and form an orthogonal basis in Π(α).