Square Laplacian perturbed by inverse fourth-power potential. I Self-adjointness (real case)
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説明
<jats:p>The self-adjointness of Δ<jats:sup>2</jats:sup> + κ|<jats:italic>x</jats:italic>|<jats:sup>−4</jats:sup> (κ>κ<jats:sub>0</jats:sub> = κ<jats:sub>0</jats:sub>(<jats:italic>N</jats:italic>)) in <jats:italic>L</jats:italic><jats:sup>2</jats:sup>(ℝ<jats:sup><jats:italic>N</jats:italic></jats:sup>) is established as an application of the perturbation theorem in terms of Re(A<jats:italic>u, B<jats:sub>ε</jats:sub>u</jats:italic>), <jats:italic>u</jats:italic> ∈ <jats:italic>D(A</jats:italic>), for two non-negative self-adjoint operators <jats:italic>A, B</jats:italic> in a Hilbert space, where the family {<jats:italic>B</jats:italic><jats:sub>ε</jats:sub>}<jats:sub>ε>0</jats:sub> is the Yosida approximation of <jats:italic>B</jats:italic>. A key to the proof lies in a new inequality for the functions ν ∈ <jats:italic>L</jats:italic><jats:sup>2</jats:sup>(ℝ<jats:sup><jats:italic>N</jats:italic></jats:sup>) with |x|<jats:sup>2</jats:sup>Δν ∈ <jats:italic>L</jats:italic><jats:sup>2</jats:sup>(ℝ<jats:sup><jats:italic>N</jats:italic></jats:sup>) derived by using two real parameters.</jats:p>
収録刊行物
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- Proceedings of the Royal Society of Edinburgh: Section A Mathematics
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Proceedings of the Royal Society of Edinburgh: Section A Mathematics 141 (2), 409-416, 2011-04
Cambridge University Press (CUP)
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詳細情報 詳細情報について
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- CRID
- 1360848658004407552
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- ISSN
- 14737124
- 03082105
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- 資料種別
- journal article
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- データソース種別
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- Crossref
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