CARUSO, Noe Angelo, Alessandro MICHELANGELI a Andrea OTTOLINI. On a comparison between absolute and relative self-adjoint extension schemes. Quaestiones Mathematicae. Oxon (England): Taylor & Francis LTD, 2024, roč. 47, č. 1, 19 s. ISSN 1607-3606. Dostupné z: https://dx.doi.org/10.2989/16073606.2023.2209282. |
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@article{78042, author = {Caruso, Noe Angelo and Michelangeli, Alessandro and Ottolini, Andrea}, article_location = {Oxon (England)}, article_number = {1}, doi = {http://dx.doi.org/10.2989/16073606.2023.2209282}, keywords = {Self-adjoint operators on Hilbert space; self-adjoint extensions; von Neumann's extension theory; Krein-Visik-Birman extension theory; extension parameters; boundary triplets}, language = {eng}, issn = {1607-3606}, journal = {Quaestiones Mathematicae}, title = {On a comparison between absolute and relative self-adjoint extension schemes}, url = {https://www.tandfonline.com/doi/epdf/10.2989/16073606.2023.2209282?needAccess=true}, volume = {47}, year = {2024} }
TY - JOUR ID - 78042 AU - Caruso, Noe Angelo - Michelangeli, Alessandro - Ottolini, Andrea PY - 2024 TI - On a comparison between absolute and relative self-adjoint extension schemes JF - Quaestiones Mathematicae VL - 47 IS - 1 PB - Taylor & Francis LTD SN - 16073606 KW - Self-adjoint operators on Hilbert space KW - self-adjoint extensions KW - von Neumann's extension theory KW - Krein-Visik-Birman extension theory KW - extension parameters KW - boundary triplets UR - https://www.tandfonline.com/doi/epdf/10.2989/16073606.2023.2209282?needAccess=true N2 - The problem of connecting the operator parameters that label the same self-adjoint extension of a given symmetric operator, respectively, within the ‘absolute’ von Neumann extension scheme and the ‘relative’ boundary-triplet-induced extension scheme (i.e., a la Kreĭn-Višik-Birman) is discussed, and quantitative connections between the two parameters are established in the limit of deficiency spaces at complex spectral points converging to the deficiency space at a real spectral point. ER -
CARUSO, Noe Angelo, Alessandro MICHELANGELI a Andrea OTTOLINI. On a comparison between absolute and relative self-adjoint extension schemes. \textit{Quaestiones Mathematicae}. Oxon (England): Taylor \&{} Francis LTD, 2024, roč.~47, č.~1, 19 s. ISSN~1607-3606. Dostupné z: https://dx.doi.org/10.2989/16073606.2023.2209282.
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