Daptari, Soumitra; Paul, Tanmoy; Rao, T. S. S. R. K. Stability of unique Hahn-Banach extensions and associated linear projections. (English) Zbl 07678668 Linear Multilinear Algebra 70, No. 21, 6067-6083 (2022). MSC: 46B04 46A22 46B20 46B22 46M05 PDF BibTeX XML Cite \textit{S. Daptari} et al., Linear Multilinear Algebra 70, No. 21, 6067--6083 (2022; Zbl 07678668) Full Text: DOI OpenURL
Kovalyov, Ivan Rational generalized Stieltjes functions. (English) Zbl 07599312 Constr. Math. Anal. 5, No. 3, 154-167 (2022). MSC: 30A05 46C20 47A57 47A56 PDF BibTeX XML Cite \textit{I. Kovalyov}, Constr. Math. Anal. 5, No. 3, 154--167 (2022; Zbl 07599312) Full Text: DOI OpenURL
Gallone, Matteo; Michelangeli, Alessandro; Pozzoli, Eugenio Quantum geometric confinement and dynamical transmission in Grushin cylinder. (English) Zbl 1495.81056 Rev. Math. Phys. 34, No. 7, Article ID 2250018, 91 p. (2022). MSC: 81Q35 34A05 47B02 47B35 47Exx 47N20 53B21 81Q10 PDF BibTeX XML Cite \textit{M. Gallone} et al., Rev. Math. Phys. 34, No. 7, Article ID 2250018, 91 p. (2022; Zbl 1495.81056) Full Text: DOI arXiv OpenURL
Fucci, Guglielmo; Gesztesy, Fritz; Kirsten, Klaus; Littlejohn, Lance L.; Nichols, Roger; Stanfill, Jonathan The Krein-von Neumann extension revisited. (English) Zbl 07513902 Appl. Anal. 101, No. 5, 1593-1616 (2022). MSC: 34B09 34B24 34C10 34L40 34B20 34B30 PDF BibTeX XML Cite \textit{G. Fucci} et al., Appl. Anal. 101, No. 5, 1593--1616 (2022; Zbl 07513902) Full Text: DOI arXiv OpenURL
Juršėnas, Rytis The A-model with mutually equal model parameters can lead to a Hilbert space model. (English) Zbl 1506.47062 Oper. Matrices 15, No. 4, 1319-1336 (2021). MSC: 47B50 47B25 47A55 47A06 47A20 PDF BibTeX XML Cite \textit{R. Juršėnas}, Oper. Matrices 15, No. 4, 1319--1336 (2021; Zbl 1506.47062) Full Text: DOI arXiv OpenURL
Sebestyén, Zoltán; Tarcsay, Zsigmond On the Kreĭn-von Neumann and Friedrichs extension of positive operators. (English) Zbl 1506.47036 de Snoo, H. S. V. (ed.) et al., Contributions to mathematics and statistics. Essays in honor of Seppo Hassi. Vaasa: University of Vaasa, School of Technology and Innovation. Acta Wasaensia 462, 165-178 (2021). Reviewer: Sahiba Arora (Dresden) MSC: 47B25 47A20 47B65 PDF BibTeX XML Cite \textit{Z. Sebestyén} and \textit{Z. Tarcsay}, Acta Wasaensia 462, 165--178 (2021; Zbl 1506.47036) OpenURL
Cho, Minsung; Hoisington, Seth; Nichols, Roger; Udall, Brian The Krein-von Neumann extension of a regular even order quasi-differential operator. (English) Zbl 07478493 Opusc. Math. 41, No. 6, 805-841 (2021). Reviewer: Yaudat Sultanaev (Ufa) MSC: 47B25 47E05 34B24 PDF BibTeX XML Cite \textit{M. Cho} et al., Opusc. Math. 41, No. 6, 805--841 (2021; Zbl 07478493) Full Text: DOI arXiv OpenURL
Derkach, Volodymyr; Strelnikov, Dmytro; Winkler, Henrik On a class of integral systems. (English) Zbl 1486.34068 Complex Anal. Oper. Theory 15, No. 6, Paper No. 103, 39 p. (2021). Reviewer: Fatma Hıra (Atakum) MSC: 34B24 34L05 47A06 47A57 47B25 47E05 45C05 34B20 PDF BibTeX XML Cite \textit{V. Derkach} et al., Complex Anal. Oper. Theory 15, No. 6, Paper No. 103, 39 p. (2021; Zbl 1486.34068) Full Text: DOI arXiv OpenURL
Michelangeli, Alessandro Models of zero-range interaction for the bosonic trimer at unitarity. (English) Zbl 1499.81047 Rev. Math. Phys. 33, No. 4, Article ID 2150010, 101 p. (2021). MSC: 81Q10 45H05 46F10 46N20 46N50 47B25 47F10 47N50 70F07 81U10 PDF BibTeX XML Cite \textit{A. Michelangeli}, Rev. Math. Phys. 33, No. 4, Article ID 2150010, 101 p. (2021; Zbl 1499.81047) Full Text: DOI arXiv OpenURL
An, Il Ju; Heo, Jaeseong Decomposability of Krein space operators. (English) Zbl 1498.47086 Filomat 34, No. 9, 3119-3129 (2020). MSC: 47B50 47A11 47A25 PDF BibTeX XML Cite \textit{I. J. An} and \textit{J. Heo}, Filomat 34, No. 9, 3119--3129 (2020; Zbl 1498.47086) Full Text: DOI OpenURL
Juršėnas, Rytis On some extensions of the A-model. (English) Zbl 07340930 Opusc. Math. 40, No. 5, 569-597 (2020). Reviewer: Yuri I. Karlovich (Cuernavaca) MSC: 47A56 47B25 47B50 35P05 PDF BibTeX XML Cite \textit{R. Juršėnas}, Opusc. Math. 40, No. 5, 569--597 (2020; Zbl 07340930) Full Text: DOI arXiv OpenURL
Hassi, Seppo; De Snoo, H. S. V. A class of sectorial relations and the associated closed forms. (English) Zbl 07310486 Alpay, Daniel (ed.) et al., Complex function theory, operator theory, Schur analysis and systems theory. A volume in honor of V. E. Katsnelson. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 280, 493-514 (2020). Reviewer: Rosario Corso (Palermo) MSC: 47B44 47A06 47A07 47B65 PDF BibTeX XML Cite \textit{S. Hassi} and \textit{H. S. V. De Snoo}, Oper. Theory: Adv. Appl. 280, 493--514 (2020; Zbl 07310486) Full Text: DOI arXiv OpenURL
Dijksma, Aad; Langer, Heinz W. Stenger’s and M. A. Nudelman’s results and resolvent formulas involving compressions. (English) Zbl 1481.47035 Adv. Oper. Theory 5, No. 3, 936-949 (2020). Reviewer: Bilender P. Allahverdiev (Isparta) MSC: 47B25 47A20 47A56 PDF BibTeX XML Cite \textit{A. Dijksma} and \textit{H. Langer}, Adv. Oper. Theory 5, No. 3, 936--949 (2020; Zbl 1481.47035) Full Text: DOI OpenURL
Morillon, Marianne Multiple choices imply the Ingleton and Krein-Milman axioms. (English) Zbl 1477.03197 J. Symb. Log. 85, No. 1, 439-455 (2020). MSC: 03E25 46S10 46A22 03E35 PDF BibTeX XML Cite \textit{M. Morillon}, J. Symb. Log. 85, No. 1, 439--455 (2020; Zbl 1477.03197) Full Text: DOI arXiv OpenURL
Behrndt, Jussi; Hassi, Seppo; de Snoo, Henk Boundary value problems, Weyl functions, and differential operators. (English) Zbl 1457.47001 Monographs in Mathematics 108. Cham: Birkhäuser (ISBN 978-3-030-36713-8/hbk; 978-3-030-36716-9/pbk; 978-3-030-36714-5/ebook). vii, 772 p., open access (2020). Reviewer: Andreas Fleige (Dortmund) MSC: 47-02 47Axx 47Bxx 47E05 47Fxx 34Bxx 34Lxx 35Pxx 93Bxx PDF BibTeX XML Cite \textit{J. Behrndt} et al., Boundary value problems, Weyl functions, and differential operators. Cham: Birkhäuser (2020; Zbl 1457.47001) Full Text: DOI Link OpenURL
Granovskyi, Ya. I. Krein extension of an even order differential operator on a finite interval. (English) Zbl 07414834 Tr. Inst. Prikl. Mat. Mekh. 33, 22-37 (2019). MSC: 47-XX 34-XX PDF BibTeX XML Cite \textit{Ya. I. Granovskyi}, Tr. Inst. Prikl. Mat. Mekh. 33, 22--37 (2019; Zbl 07414834) OpenURL
Hassi, Seppo; Sandovici, Adrian; de Snoo, Henk Factorized sectorial relations, their maximal-sectorial extensions, and form sums. (English) Zbl 1423.47011 Banach J. Math. Anal. 13, No. 3, 538-564 (2019). MSC: 47B44 47A06 47A07 47B65 PDF BibTeX XML Cite \textit{S. Hassi} et al., Banach J. Math. Anal. 13, No. 3, 538--564 (2019; Zbl 1423.47011) Full Text: DOI arXiv Euclid Link OpenURL
Kamuda, A.; Kuzhel, S.; Sudilovskaya, V. On dual definite subspaces in Krein space. (English) Zbl 1481.46017 Complex Anal. Oper. Theory 13, No. 3, 1011-1032 (2019). MSC: 46C20 47A55 47B25 47A57 81Q15 PDF BibTeX XML Cite \textit{A. Kamuda} et al., Complex Anal. Oper. Theory 13, No. 3, 1011--1032 (2019; Zbl 1481.46017) Full Text: DOI arXiv OpenURL
Gallone, Matteo; Michelangeli, Alessandro Self-adjoint realisations of the Dirac-Coulomb Hamiltonian for heavy nuclei. (English) Zbl 07074241 Anal. Math. Phys. 9, No. 1, 585-616 (2019). MSC: 47B25 47N20 47N50 81Q10 PDF BibTeX XML Cite \textit{M. Gallone} and \textit{A. Michelangeli}, Anal. Math. Phys. 9, No. 1, 585--616 (2019; Zbl 07074241) Full Text: DOI arXiv OpenURL
Martsinkevitš, Julia; Põldvere, Märt On the structure of the dual unit ball of strict \(u\)-ideals. (English) Zbl 1417.46009 Ann. Funct. Anal. 10, No. 1, 46-59 (2019). Reviewer: Vegard Lima (Ålesund) MSC: 46B04 46B22 PDF BibTeX XML Cite \textit{J. Martsinkevitš} and \textit{M. Põldvere}, Ann. Funct. Anal. 10, No. 1, 46--59 (2019; Zbl 1417.46009) Full Text: DOI Euclid OpenURL
Kovalev, Yu. G. On the criteria of transversality and disjointness of nonnegative self-adjoint extensions of nonnegative symmetric operators. (English. Russian original) Zbl 1499.47014 Ukr. Math. J. 70, No. 4, 568-580 (2018); translation from Ukr. Mat. Zh. 70, No. 4, 495-505 (2018). MSC: 47B25 34L40 81Q10 PDF BibTeX XML Cite \textit{Yu. G. Kovalev}, Ukr. Math. J. 70, No. 4, 568--580 (2018; Zbl 1499.47014); translation from Ukr. Mat. Zh. 70, No. 4, 495--505 (2018) Full Text: DOI OpenURL
de Snoo, Henk; Woracek, Harald Compressed resolvents, \(Q\)-functions and \(h_0\)-resolvents in almost Pontryagin spaces. (English) Zbl 1471.47025 Alpay, Daniel (ed.) et al., Indefinite inner product spaces, Schur analysis, and differential equations. A volume dedicated to Heinz Langer. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 263, 425-484 (2018). Reviewer: Carsten Trunk (Ilmenau) MSC: 47B50 47A06 47B25 47A20 46C20 PDF BibTeX XML Cite \textit{H. de Snoo} and \textit{H. Woracek}, Oper. Theory: Adv. Appl. 263, 425--484 (2018; Zbl 1471.47025) Full Text: DOI OpenURL
Ball, Joseph A.; Bolotnikov, Vladimir The bitangential matrix Nevanlinna-Pick interpolation problem revisited. (English) Zbl 1471.47009 Alpay, Daniel (ed.) et al., Indefinite inner product spaces, Schur analysis, and differential equations. A volume dedicated to Heinz Langer. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 263, 107-161 (2018). Reviewer: Adhemar Bultheel (Leuven) MSC: 47A57 46C20 47B25 47B50 PDF BibTeX XML Cite \textit{J. A. Ball} and \textit{V. Bolotnikov}, Oper. Theory: Adv. Appl. 263, 107--161 (2018; Zbl 1471.47009) Full Text: DOI arXiv OpenURL
Edmunds, David E.; Evans, W. Desmond Elliptic differential operators and spectral analysis. (English) Zbl 1436.35003 Springer Monographs in Mathematics. Cham: Springer (ISBN 978-3-030-02124-5/hbk; 978-3-030-02125-2/ebook). xiii, 322 p. (2018). Reviewer: Petar Popivanov (Sofia) MSC: 35-02 47F05 47A10 35J25 35J40 35P05 35P30 35J92 PDF BibTeX XML Cite \textit{D. E. Edmunds} and \textit{W. D. Evans}, Elliptic differential operators and spectral analysis. Cham: Springer (2018; Zbl 1436.35003) Full Text: DOI OpenURL
Granovskyi, Yaroslav I.; Oridoroga, Leonid L. Krein-von Neumann extension of an even order differential operator on a finite interval. (English) Zbl 06976045 Opusc. Math. 38, No. 5, 681-698 (2018). MSC: 47A05 PDF BibTeX XML Cite \textit{Y. I. Granovskyi} and \textit{L. L. Oridoroga}, Opusc. Math. 38, No. 5, 681--698 (2018; Zbl 06976045) Full Text: DOI arXiv OpenURL
Dijksma, Aad; Langer, Heinz Compressions of self-adjoint extensions of a symmetric operator and M.G. Krein’s resolvent formula. (English) Zbl 06946537 Integral Equations Oper. Theory 90, No. 4, Paper No. 41, 30 p. (2018). MSC: 47B25 47A20 47A56 PDF BibTeX XML Cite \textit{A. Dijksma} and \textit{H. Langer}, Integral Equations Oper. Theory 90, No. 4, Paper No. 41, 30 p. (2018; Zbl 06946537) Full Text: DOI OpenURL
Granovskyi, Ya. I.; Oridoroga, L. L. Krein extension of an even-order differential operator. (English. Russian original) Zbl 1494.47082 Differ. Equ. 54, No. 4, 551-556 (2018); translation from Differ. Uravn. 54, No. 4, 556-560 (2018). MSC: 47E05 34B05 PDF BibTeX XML Cite \textit{Ya. I. Granovskyi} and \textit{L. L. Oridoroga}, Differ. Equ. 54, No. 4, 551--556 (2018; Zbl 1494.47082); translation from Differ. Uravn. 54, No. 4, 556--560 (2018) Full Text: DOI OpenURL
Arov, Damir Z.; Dym, Harry Multivariate prediction, de Branges spaces, and related extension and inverse problems. (English) Zbl 1440.60004 Operator Theory: Advances and Applications 266. Cham: Birkhäuser (ISBN 978-3-319-70261-2/hbk; 978-3-319-70262-9/ebook). xiv, 405 p. (2018). Reviewer: Heinrich Hering (Rockenberg) MSC: 60-02 47-02 60G25 47B32 45Q05 34A55 PDF BibTeX XML Cite \textit{D. Z. Arov} and \textit{H. Dym}, Multivariate prediction, de Branges spaces, and related extension and inverse problems. Cham: Birkhäuser (2018; Zbl 1440.60004) Full Text: DOI OpenURL
Jorgensen, Palle E. T.; Pearse, Erin P. J. Symmetric pairs of unbounded operators in Hilbert space, and their applications in mathematical physics. (English) Zbl 1424.47055 Math. Phys. Anal. Geom. 20, No. 2, Paper No. 14, 24 p. (2017). MSC: 47B25 46L36 47B15 47B32 60H07 05C50 05C63 35J05 46E22 PDF BibTeX XML Cite \textit{P. E. T. Jorgensen} and \textit{E. P. J. Pearse}, Math. Phys. Anal. Geom. 20, No. 2, Paper No. 14, 24 p. (2017; Zbl 1424.47055) Full Text: DOI arXiv OpenURL
Dijksma, Aad; Langer, Heinz Finite-dimensional self-adjoint extensions of a symmetric operator with finite defect and their compressions. (English) Zbl 06864062 Colombo, Fabrizio (ed.) et al., Advances in complex analysis and operator theory. Festschrift in honor of Daniel Alpay’s 60th birthday. Contributions partly based on the presentations at the international conference on complex analysis and operator theory, Chapman University, Orange, CA, USA, November 2016. Cham: Birkhäuser/Springer. Trends Math., 135-163 (2017). MSC: 47-XX 47B25 47A20 47A56 PDF BibTeX XML Cite \textit{A. Dijksma} and \textit{H. Langer}, in: Advances in complex analysis and operator theory. Festschrift in honor of Daniel Alpay's 60th birthday. Contributions partly based on the presentations at the international conference on complex analysis and operator theory, Chapman University, Orange, CA, USA, November 2016. Cham: Birkhäuser/Springer. 135--163 (2017; Zbl 06864062) Full Text: DOI OpenURL
Arlinskiĭ, Yury; Popov, Andrey On \(m\)-sectorial extensions of sectorial operators. (English) Zbl 1489.47040 J. Math. Phys. Anal. Geom. 13, No. 3, 205-241 (2017). MSC: 47B12 47A20 47B25 47B44 47A06 47A07 82B23 PDF BibTeX XML Cite \textit{Y. Arlinskiĭ} and \textit{A. Popov}, J. Math. Phys. Anal. Geom. 13, No. 3, 205--241 (2017; Zbl 1489.47040) Full Text: DOI arXiv OpenURL
Yost, David Linear extension mappings. II. (English) Zbl 1385.46001 Linear Nonlinear Anal. 3, No. 1, 19-26 (2017). MSC: 46A22 46B22 46B25 47B10 PDF BibTeX XML Cite \textit{D. Yost}, Linear Nonlinear Anal. 3, No. 1, 19--26 (2017; Zbl 1385.46001) Full Text: Link OpenURL
Hassi, S.; Sandovici, A.; de Snoo, H. S. V.; Winkler, H. Extremal maximal sectorial extensions of sectorial relations. (English) Zbl 1481.47001 Indag. Math., New Ser. 28, No. 5, 1019-1055 (2017). MSC: 47A06 47A07 47B44 47A20 47B25 PDF BibTeX XML Cite \textit{S. Hassi} et al., Indag. Math., New Ser. 28, No. 5, 1019--1055 (2017; Zbl 1481.47001) Full Text: DOI OpenURL
Baidiuk, Dmytro Completion and extension of operators in Kreĭn spaces. (English. Ukrainian original) Zbl 1370.47008 J. Math. Sci., New York 224, No. 4, 493-508 (2017); translation from Ukr. Mat. Visn. 13, No. 4, 452-472 (2016). MSC: 47A20 46C20 PDF BibTeX XML Cite \textit{D. Baidiuk}, J. Math. Sci., New York 224, No. 4, 493--508 (2017; Zbl 1370.47008); translation from Ukr. Mat. Visn. 13, No. 4, 452--472 (2016) Full Text: DOI arXiv Link OpenURL
Kuzhel, S.; Sudilovskaya, V. Towards theory of \(\mathcal C\)-symmetries. (English) Zbl 1373.47041 Opusc. Math. 37, No. 1, 65-80 (2017). MSC: 47B50 47A55 47B25 47A57 81Q15 PDF BibTeX XML Cite \textit{S. Kuzhel} and \textit{V. Sudilovskaya}, Opusc. Math. 37, No. 1, 65--80 (2017; Zbl 1373.47041) Full Text: DOI arXiv OpenURL
de Snoo, Henk; Woracek, Harald Restriction and factorization for isometric and symmetric operators in almost Pontryagin spaces. (English) Zbl 1454.47047 Alpay, Daniel (ed.) et al., Noncommutative analysis, operator theory and applications. Selected papers based on the presentations at the conference, Milano, Italy, June 23–27, 2014. Basel: Birkhäuser/Springer. Oper. Theory: Adv. Appl. 252, 123-170 (2016). Reviewer: Carsten Trunk (Ilmenau) MSC: 47B50 47A20 47B25 46C20 PDF BibTeX XML Cite \textit{H. de Snoo} and \textit{H. Woracek}, Oper. Theory: Adv. Appl. 252, 123--170 (2016; Zbl 1454.47047) Full Text: DOI OpenURL
Eshaghi, Madjid; Reisi Dezaki, Hamidreza; Moazzen, Alireza Functionally closed sets and functionally convex sets in real Banach spaces. (English) Zbl 1362.52001 Int. J. Nonlinear Anal. Appl. 7, No. 1, 289-294 (2016). MSC: 52A01 39B82 39B52 PDF BibTeX XML Cite \textit{M. Eshaghi} et al., Int. J. Nonlinear Anal. Appl. 7, No. 1, 289--294 (2016; Zbl 1362.52001) Full Text: DOI OpenURL
Jorgensen, Palle E. T.; Pearse, Erin P. J. Symmetric pairs and self-adjoint extensions of operators, with applications to energy networks. (English) Zbl 1353.05080 Complex Anal. Oper. Theory 10, No. 7, 1535-1550 (2016). MSC: 05C50 05C63 05C82 46B22 46E22 47B15 47B25 47B32 47B39 60J10 PDF BibTeX XML Cite \textit{P. E. T. Jorgensen} and \textit{E. P. J. Pearse}, Complex Anal. Oper. Theory 10, No. 7, 1535--1550 (2016; Zbl 1353.05080) Full Text: DOI arXiv OpenURL
Derkach, Volodymyr; Sukhorukova, Olena Generalized \(\gamma\)-generating matrices and Nehari-Takagi problem. (English) Zbl 1368.47013 Oper. Matrices 10, No. 4, 1073-1091 (2016). MSC: 47A57 47A56 30E05 15B05 PDF BibTeX XML Cite \textit{V. Derkach} and \textit{O. Sukhorukova}, Oper. Matrices 10, No. 4, 1073--1091 (2016; Zbl 1368.47013) Full Text: DOI arXiv OpenURL
Juršėnas, Rytis Spectrum of a family of spin-orbit coupled Hamiltonians with singular perturbation. (English) Zbl 1342.81745 J. Phys. A, Math. Theor. 49, No. 6, Article ID 065202, 26 p. (2016). MSC: 81V45 81Q15 81Q05 47B25 PDF BibTeX XML Cite \textit{R. Juršėnas}, J. Phys. A, Math. Theor. 49, No. 6, Article ID 065202, 26 p. (2016; Zbl 1342.81745) Full Text: DOI arXiv OpenURL
Zemánek, Petr; Clark, Stephen Characterization of self-adjoint extensions for discrete symplectic systems. (English) Zbl 1381.39024 J. Math. Anal. Appl. 440, No. 1, 323-350 (2016). MSC: 39B42 34B20 PDF BibTeX XML Cite \textit{P. Zemánek} and \textit{S. Clark}, J. Math. Anal. Appl. 440, No. 1, 323--350 (2016; Zbl 1381.39024) Full Text: DOI arXiv OpenURL
Rovnyak, J.; Sakhnovich, L. A. On indefinite cases of operator identities which arise in interpolation theory. II. (English) Zbl 06767996 Alpay, Daniel (ed.) et al., Recent advances in inverse scattering, Schur analysis and stochastic processes. A collection of papers dedicated to Lev Sakhnovich. Cham: Birkhäuser/Springer. Oper. Theory: Adv. Appl. 244, 341-378 (2015). MSC: 47A57 30E05 46C20 47A56 47B50 PDF BibTeX XML Cite \textit{J. Rovnyak} and \textit{L. A. Sakhnovich}, Oper. Theory: Adv. Appl. 244, 341--378 (2015; Zbl 06767996) Full Text: DOI OpenURL
Arlinskiĭ, Yuri M.; Hassi, Seppo \(Q\)-functions and boundary triplets of nonnegative operators. (English) Zbl 06767990 Alpay, Daniel (ed.) et al., Recent advances in inverse scattering, Schur analysis and stochastic processes. A collection of papers dedicated to Lev Sakhnovich. Cham: Birkhäuser/Springer. Oper. Theory: Adv. Appl. 244, 89-130 (2015). MSC: 47A56 47A10 47A64 47A05 47A06 47B25 PDF BibTeX XML Cite \textit{Y. M. Arlinskiĭ} and \textit{S. Hassi}, Oper. Theory: Adv. Appl. 244, 89--130 (2015; Zbl 06767990) Full Text: DOI arXiv OpenURL
Sudilovskaya, V. I. Description operator \(C\)-symmetry in the case of the space \(\mathbb C^2\). (Ukrainian. English summary) Zbl 1363.47027 Visn. Khark. Univ., Ser. Mat. Prykl. Mat. Mekh. 82, 19-26 (2015). MSC: 47A55 47A57 47B25 PDF BibTeX XML Cite \textit{V. I. Sudilovskaya}, Visn. Khark. Univ., Ser. Mat. Prykl. Mat. Mekh. 82, 19--26 (2015; Zbl 1363.47027) OpenURL
Mugnolo, Delio Some remarks on the Krein-von Neumann extension of different Laplacians. (English) Zbl 1343.47031 Banasiak, Jacek (ed.) et al., Semigroups of operators – theory and applications. Selected papers based on the presentations at the conference, Bȩdlewo, Poland, October 6–10, 2013. Cham: Springer (ISBN 978-3-319-12144-4/hbk; 978-3-319-12145-1/ebook). Springer Proceedings in Mathematics & Statistics 113, 69-87 (2015). Reviewer: Michael Perelmuter (Kyïv) MSC: 47B25 35J05 PDF BibTeX XML Cite \textit{D. Mugnolo}, Springer Proc. Math. Stat. 113, 69--87 (2015; Zbl 1343.47031) Full Text: DOI arXiv OpenURL
Alpay, Daniel; Colombo, Fabrizio; Sabadini, Irene Schur analysis in the quaternionic setting: the Fueter regular and the slice regular case. (English) Zbl 1337.47015 Alpay, Daniel (ed.), Operator theory. With 51 figures and 2 tables. In 2 volumes. Basel: Springer (ISBN 978-3-0348-0666-4/print; 978-3-0348-0667-1/ebook; 978-3-0348-0668-8/print+ebook; 978-3-0348-0692-3/online (updated continuously)). Springer Reference, 1745-1786 (2015). Reviewer: Anatoly N. Kochubei (Kyïv) MSC: 47A48 30G35 47-02 47A57 PDF BibTeX XML Cite \textit{D. Alpay} et al., in: Operator theory. With 51 figures and 2 tables. In 2 volumes. Basel: Springer. 1745--1786 (2015; Zbl 1337.47015) Full Text: DOI Link OpenURL
Derkach, Vladimir Boundary triplets, Weyl functions, and the Kreĭn formula. (English) Zbl 1347.47015 Alpay, Daniel (ed.), Operator theory. With 51 figures and 2 tables. In 2 volumes. Basel: Springer (ISBN 978-3-0348-0666-4/print; 978-3-0348-0667-1/ebook; 978-3-0348-0668-8/print+ebook; 978-3-0348-0692-3/online (updated continuously)). Springer Reference, 183-218 (2015). Reviewer: Carsten Trunk (Ilmenau) MSC: 47B25 47B50 47-02 PDF BibTeX XML Cite \textit{V. Derkach}, in: Operator theory. With 51 figures and 2 tables. In 2 volumes. Basel: Springer. 183--218 (2015; Zbl 1347.47015) Full Text: DOI OpenURL
Kovalev, Yurii To the theory of nonnegative point Hamiltonians on a plane and in the space. (English. Ukrainian original) Zbl 1325.47073 J. Math. Sci., New York 204, No. 3, 315-332 (2015); translation from Ukr. Mat. Visn. 11, No. 2, 203-226 (2014). MSC: 47B38 46E35 47A20 PDF BibTeX XML Cite \textit{Y. Kovalev}, J. Math. Sci., New York 204, No. 3, 315--332 (2015; Zbl 1325.47073); translation from Ukr. Mat. Visn. 11, No. 2, 203--226 (2014) Full Text: DOI OpenURL
Ćurgus, Branko; Derkach, Vladimir Partially fundamentally reducible operators in Kreĭn spaces. (English) Zbl 1334.47039 Integral Equations Oper. Theory 82, No. 4, 469-518 (2015). Reviewer: Andreas Fleige (Dortmund) MSC: 47B50 46C20 47B25 34B20 PDF BibTeX XML Cite \textit{B. Ćurgus} and \textit{V. Derkach}, Integral Equations Oper. Theory 82, No. 4, 469--518 (2015; Zbl 1334.47039) Full Text: DOI arXiv OpenURL
Mugnolo, Delio; Nicaise, Serge The heat equation under conditions on the moments in higher dimensions. (English) Zbl 1322.47039 Math. Nachr. 288, No. 2-3, 295-308 (2015). Reviewer: Vincenzo Vespri (Firenze) MSC: 47D06 35J20 35K05 PDF BibTeX XML Cite \textit{D. Mugnolo} and \textit{S. Nicaise}, Math. Nachr. 288, No. 2--3, 295--308 (2015; Zbl 1322.47039) Full Text: DOI arXiv OpenURL
Arlinskiĭ, Yury; Zagrebnov, Valentin A. Around the Van Daele-Schmüdgen theorem. (English) Zbl 1320.47023 Integral Equations Oper. Theory 81, No. 1, 53-95 (2015). Reviewer: K. C. Sivakumar (Chennai) MSC: 47B25 47A05 47A07 47A20 47A64 PDF BibTeX XML Cite \textit{Y. Arlinskiĭ} and \textit{V. A. Zagrebnov}, Integral Equations Oper. Theory 81, No. 1, 53--95 (2015; Zbl 1320.47023) Full Text: DOI arXiv OpenURL
Hu, Guanghui; Mantile, Andrea; Sini, Mourad Direct and inverse acoustic scattering by a collection of extended and point-like scatterers. (English) Zbl 1318.76019 Multiscale Model. Simul. 12, No. 3, 996-1027 (2014). MSC: 76Q05 47B25 81Q10 35R30 35J05 35L05 PDF BibTeX XML Cite \textit{G. Hu} et al., Multiscale Model. Simul. 12, No. 3, 996--1027 (2014; Zbl 1318.76019) Full Text: DOI Link OpenURL
Derkach, Vladimir; Dym, Harry A generalized Schur-Takagi interpolation problem. (English) Zbl 1304.30046 Integral Equations Oper. Theory 80, No. 2, 165-227 (2014). MSC: 30E05 47A57 46E22 47A48 47B50 PDF BibTeX XML Cite \textit{V. Derkach} and \textit{H. Dym}, Integral Equations Oper. Theory 80, No. 2, 165--227 (2014; Zbl 1304.30046) Full Text: DOI OpenURL
Arlinskiĭ, Yury The Schur problem and block operator CMV matrices. (English) Zbl 1320.47006 Complex Anal. Oper. Theory 8, No. 4, 875-923 (2014). Reviewer: Adhemar Bultheel (Leuven) MSC: 47A48 47A56 47A57 47A64 47B35 47N70 30E05 PDF BibTeX XML Cite \textit{Y. Arlinskiĭ}, Complex Anal. Oper. Theory 8, No. 4, 875--923 (2014; Zbl 1320.47006) Full Text: DOI arXiv OpenURL
Jorgensen, Palle; Pedersen, Steen; Tian, Feng Restrictions and extensions of semibounded operators. (English) Zbl 1327.47017 Complex Anal. Oper. Theory 8, No. 3, 591-663 (2014). Reviewer: Vladimir A. Derkach (Donetsk) MSC: 47B25 47A20 46E22 47B32 30H10 35F15 42C10 PDF BibTeX XML Cite \textit{P. Jorgensen} et al., Complex Anal. Oper. Theory 8, No. 3, 591--663 (2014; Zbl 1327.47017) Full Text: DOI arXiv OpenURL
Abels, Helmut; Grubb, Gerd; Wood, Ian Geoffrey Extension theory and Kreĭn-type resolvent formulas for nonsmooth boundary value problems. (English) Zbl 1312.47019 J. Funct. Anal. 266, No. 7, 4037-4100 (2014). Reviewer: Leszek Gasiński (Kraków) MSC: 47A57 35J25 PDF BibTeX XML Cite \textit{H. Abels} et al., J. Funct. Anal. 266, No. 7, 4037--4100 (2014; Zbl 1312.47019) Full Text: DOI arXiv OpenURL
Bekker, Miron B.; Bohner, Martin J.; Voulov, Hristo Extreme self-adjoint extensions of a semibounded \(q\)-difference operator. (English) Zbl 1357.47038 Math. Nachr. 287, No. 8-9, 869-884 (2014). MSC: 47B39 47B25 47B37 39A12 39A13 34N05 PDF BibTeX XML Cite \textit{M. B. Bekker} et al., Math. Nachr. 287, No. 8--9, 869--884 (2014; Zbl 1357.47038) Full Text: DOI OpenURL
Tarcsay, Zs. On form sums of positive operators. (English) Zbl 1313.47026 Acta Math. Hung. 140, No. 1-2, 187-201 (2013). Reviewer: Michal Zajac (Bratislava) MSC: 47A20 47B25 PDF BibTeX XML Cite \textit{Zs. Tarcsay}, Acta Math. Hung. 140, No. 1--2, 187--201 (2013; Zbl 1313.47026) Full Text: DOI OpenURL
Lunyov, Anton Spectral functions of the simplest even order ordinary differential operator. (English) Zbl 1313.47095 Methods Funct. Anal. Topol. 19, No. 4, 319-326 (2013). Reviewer: Anatoly N. Kochubei (Kyïv) MSC: 47E05 47B25 PDF BibTeX XML Cite \textit{A. Lunyov}, Methods Funct. Anal. Topol. 19, No. 4, 319--326 (2013; Zbl 1313.47095) Full Text: arXiv OpenURL
Ananieva, Aleksandra; Goloshchapova, Nataly On the extremal extensions of a non-negative Jacobi operator. (English) Zbl 1313.47065 Methods Funct. Anal. Topol. 19, No. 4, 310-318 (2013). Reviewer: Anatoly N. Kochubei (Kyïv) MSC: 47B36 47B25 PDF BibTeX XML Cite \textit{A. Ananieva} and \textit{N. Goloshchapova}, Methods Funct. Anal. Topol. 19, No. 4, 310--318 (2013; Zbl 1313.47065) Full Text: arXiv OpenURL
Kovalev, Yu. G. 1D nonnegative Schrödinger operators with point interactions. (English) Zbl 1298.34168 Mat. Stud. 39, No. 2, 150-163 (2013). MSC: 34L40 81Q10 34L10 47A20 PDF BibTeX XML Cite \textit{Yu. G. Kovalev}, Mat. Stud. 39, No. 2, 150--163 (2013; Zbl 1298.34168) OpenURL
Kaashoek, M. A.; Lerer, L. On a class of matrix polynomial equations. (English) Zbl 1305.15041 Linear Algebra Appl. 439, No. 3, 613-620 (2013). MSC: 15A24 15A18 15A54 47A57 PDF BibTeX XML Cite \textit{M. A. Kaashoek} and \textit{L. Lerer}, Linear Algebra Appl. 439, No. 3, 613--620 (2013; Zbl 1305.15041) Full Text: DOI OpenURL
Melik-Adamyan, Perch On some analytic operator functions in the theory of Hermitian operators. (English) Zbl 1312.47018 Armen. J. Math. 5, No. 2, 75-97 (2013). Reviewer: Dan E. Popovici (Timişoara) MSC: 47A56 47B25 47B44 PDF BibTeX XML Cite \textit{P. Melik-Adamyan}, Armen. J. Math. 5, No. 2, 75--97 (2013; Zbl 1312.47018) OpenURL
Sudilovskaya, V. I. On one method of construction of symmetry operator \(C\). (Ukrainian. English summary) Zbl 1296.47011 Mat. Stud. 37, No. 2, 184-192 (2012). MSC: 47A55 47A57 47B25 81Q10 47A62 PDF BibTeX XML Cite \textit{V. I. Sudilovskaya}, Mat. Stud. 37, No. 2, 184--192 (2012; Zbl 1296.47011) Full Text: Link OpenURL
Arlinskiĭ, Yury; Kovalev, Yury; Tsekanovskiĭ, Eduard Accretive and sectorial extensions of nonnegative symmetric operators. (English) Zbl 1294.47010 Complex Anal. Oper. Theory 6, No. 3, 677-718 (2012). Reviewer: Michael Perelmuter (Kyïv) MSC: 47A20 47B25 47B44 47A50 PDF BibTeX XML Cite \textit{Y. Arlinskiĭ} et al., Complex Anal. Oper. Theory 6, No. 3, 677--718 (2012; Zbl 1294.47010) Full Text: DOI OpenURL
Ball, Joseph A.; Fang, Quanlei Nevanlinna-Pick interpolation via graph spaces and Kreĭn-space geometry: A survey. (English) Zbl 1308.47015 Dym, Harry (ed.) et al., Mathematical methods in systems, optimization, and control. Festschrift in honor of J. William Helton. Basel: Birkhäuser (ISBN 978-3-0348-0410-3/hbk; 978-3-0348-0411-0/ebook). Operator Theory: Advances and Applications 222, 43-71 (2012). MSC: 47A57 47B50 47-02 PDF BibTeX XML Cite \textit{J. A. Ball} and \textit{Q. Fang}, Oper. Theory: Adv. Appl. 222, 43--71 (2012; Zbl 1308.47015) Full Text: DOI OpenURL
Grubb, Gerd Extension theory for elliptic partial differential operators with pseudodifferential methods. (English) Zbl 1331.47069 Hassi, Seppo (ed.) et al., Operator methods for boundary value problems. Cambridge: Cambridge University Press (ISBN 978-1-107-60611-1/pbk; 978-1-139-13506-1/ebook). London Mathematical Society Lecture Note Series 404, 221-258 (2012). Reviewer: Edward L. Pekarev (Odessa) MSC: 47F05 47G30 47-02 47A20 35J40 PDF BibTeX XML Cite \textit{G. Grubb}, Lond. Math. Soc. Lect. Note Ser. 404, 221--258 (2012; Zbl 1331.47069) Full Text: arXiv OpenURL
Derkach, Vladimir; Hassi, Seppo; Malamud, Mark; de Snoo, Henk Boundary triplets and Weyl functions. Recent developments. (English) Zbl 1320.47024 Hassi, Seppo (ed.) et al., Operator methods for boundary value problems. Cambridge: Cambridge University Press (ISBN 978-1-107-60611-1/pbk; 978-1-139-13506-1/ebook). London Mathematical Society Lecture Note Series 404, 161-220 (2012). Reviewer: Edward L. Pekarev (Odessa) MSC: 47B25 47B50 47A20 47A56 47N20 47A48 47-02 PDF BibTeX XML Cite \textit{V. Derkach} et al., Lond. Math. Soc. Lect. Note Ser. 404, 161--220 (2012; Zbl 1320.47024) OpenURL
Behrndt, Jussi; Langer, Matthias Elliptic operators, Dirichlet-to-Neumann maps and quasi boundary triples. (English) Zbl 1331.47067 Hassi, Seppo (ed.) et al., Operator methods for boundary value problems. Cambridge: Cambridge University Press (ISBN 978-1-107-60611-1/pbk; 978-1-139-13506-1/ebook). London Mathematical Society Lecture Note Series 404, 121-160 (2012). Reviewer: Edward L. Pekarev (Odessa) MSC: 47F05 47B25 47N20 PDF BibTeX XML Cite \textit{J. Behrndt} and \textit{M. Langer}, Lond. Math. Soc. Lect. Note Ser. 404, 121--160 (2012; Zbl 1331.47067) OpenURL
Hassi, Seppo; Wietsma, Rudi On Calkin’s abstract symmetric boundary conditions. (English) Zbl 1318.47037 Hassi, Seppo (ed.) et al., Operator methods for boundary value problems. Cambridge: Cambridge University Press (ISBN 978-1-107-60611-1/pbk; 978-1-139-13506-1/ebook). London Mathematical Society Lecture Note Series 404, 3-34 (2012). Reviewer: Edward L. Pekarev (Odessa) MSC: 47B25 47B50 47A20 PDF BibTeX XML Cite \textit{S. Hassi} and \textit{R. Wietsma}, Lond. Math. Soc. Lect. Note Ser. 404, 3--34 (2012; Zbl 1318.47037) OpenURL
Tarcsay, Zsigmond Operator extensions with closed range. (English) Zbl 1275.47025 Acta Math. Hung. 135, No. 4, 325-341 (2012). Reviewer: Popa Dumitru (Constanta) MSC: 47A20 47B65 47A05 PDF BibTeX XML Cite \textit{Z. Tarcsay}, Acta Math. Hung. 135, No. 4, 325--341 (2012; Zbl 1275.47025) Full Text: DOI OpenURL
Hiptmair, Ralf; Kotiuga, Peter Robert; Tordeux, Sébastien Self-adjoint curl operators. (English) Zbl 1275.47100 Ann. Mat. Pura Appl. (4) 191, No. 3, 431-457 (2012). Reviewer: Teodora-Liliana Rădulescu (Craiova) MSC: 47F05 46N20 53D12 PDF BibTeX XML Cite \textit{R. Hiptmair} et al., Ann. Mat. Pura Appl. (4) 191, No. 3, 431--457 (2012; Zbl 1275.47100) Full Text: DOI arXiv OpenURL
Lykov, K. V. New uniqueness conditions for the classical moment problem. (English. Russian original) Zbl 1349.44004 Math. Notes 92, No. 6, 797-806 (2012); translation from Mat. Zametki 92, No. 6, 893-903 (2012). Reviewer: Florian-Horia Vasilescu (Villeneuve d’Ascq) MSC: 44A60 47A57 PDF BibTeX XML Cite \textit{K. V. Lykov}, Math. Notes 92, No. 6, 797--806 (2012; Zbl 1349.44004); translation from Mat. Zametki 92, No. 6, 893--903 (2012) Full Text: DOI OpenURL
Sebestyén, Z.; Tarcsay, Zs. \(T^*T\) always has a positive selfadjoint extension. (English) Zbl 1258.47015 Acta Math. Hung. 135, No. 1-2, 116-129 (2012). Reviewer: Edward L. Pekarev (Odessa) MSC: 47A20 47B25 PDF BibTeX XML Cite \textit{Z. Sebestyén} and \textit{Zs. Tarcsay}, Acta Math. Hung. 135, No. 1--2, 116--129 (2012; Zbl 1258.47015) Full Text: DOI OpenURL
Derkach, Vladimir; Hassi, Seppo; De Snoo, Henk Truncated moment problems in the class of generalized Nevanlinna functions. (English) Zbl 1254.30032 Math. Nachr. 285, No. 14-15, 1741-1769 (2012). MSC: 30E05 15B57 46C20 47A57 PDF BibTeX XML Cite \textit{V. Derkach} et al., Math. Nachr. 285, No. 14--15, 1741--1769 (2012; Zbl 1254.30032) Full Text: DOI arXiv OpenURL
Arlinskiĭ, Yury Truncated Hamburger moment problem for an operator measure with compact support. (English) Zbl 1264.44005 Math. Nachr. 285, No. 14-15, 1677-1695 (2012). Reviewer: N. R. Mangalambal (Kerala) MSC: 44A60 47A57 47B35 47B36 30E05 PDF BibTeX XML Cite \textit{Y. Arlinskiĭ}, Math. Nachr. 285, No. 14--15, 1677--1695 (2012; Zbl 1264.44005) Full Text: DOI OpenURL
Kuzhel, Sergii; Patsyuck, Olexiy On self-adjoint operators in Krein spaces constructed by Clifford algebra \(\mathcal Cl_{2}\). (English) Zbl 1277.47051 Opusc. Math. 32, No. 2, 297-316 (2012). Reviewer: Carsten Trunk (Ilmenau) MSC: 47B50 47B25 47A20 PDF BibTeX XML Cite \textit{S. Kuzhel} and \textit{O. Patsyuck}, Opusc. Math. 32, No. 2, 297--316 (2012; Zbl 1277.47051) Full Text: DOI arXiv OpenURL
Wietsma, Hendrik Luit Representations of unitary relations between Kreĭn spaces. (English) Zbl 1277.47005 Integral Equations Oper. Theory 72, No. 3, 309-344 (2012). Reviewer: Carsten Trunk (Ilmenau) MSC: 47A06 47B25 47B50 PDF BibTeX XML Cite \textit{H. L. Wietsma}, Integral Equations Oper. Theory 72, No. 3, 309--344 (2012; Zbl 1277.47005) Full Text: DOI OpenURL
Jabłoński, Zenon Jan; Jung, Il Bong; Stochel, Jan A non-hyponormal operator generating Stieltjes moment sequences. (English) Zbl 1258.47026 J. Funct. Anal. 262, No. 9, 3946-3980 (2012). Reviewer: Florian-Horia Vasilescu (Villeneuve d’Ascq) MSC: 47A57 47B20 47B25 PDF BibTeX XML Cite \textit{Z. J. Jabłoński} et al., J. Funct. Anal. 262, No. 9, 3946--3980 (2012; Zbl 1258.47026) Full Text: DOI arXiv OpenURL
Ćurgus, B.; Dijksma, A. On the reproducing kernel of a Pontryagin space of vector valued polynomials. (English) Zbl 1246.46018 Linear Algebra Appl. 436, No. 5, 1312-1343 (2012). Reviewer: Carsten Trunk (Ilmenau) MSC: 46C20 46E22 47A06 PDF BibTeX XML Cite \textit{B. Ćurgus} and \textit{A. Dijksma}, Linear Algebra Appl. 436, No. 5, 1312--1343 (2012; Zbl 1246.46018) Full Text: DOI arXiv OpenURL
Sandovici, A.; Vasilescu, F.-H. On products of nonnegative linear operators and relations. (English) Zbl 1261.47006 Acta Math. Hung. 134, No. 1-2, 139-152 (2012). Reviewer: Edward L. Pekarev (Odessa) MSC: 47A06 47B15 47B25 47A10 47B65 PDF BibTeX XML Cite \textit{A. Sandovici} and \textit{F. H. Vasilescu}, Acta Math. Hung. 134, No. 1--2, 139--152 (2012; Zbl 1261.47006) Full Text: DOI OpenURL
Eremin, D. A.; Popov, I. Yu. Quantum ring with wire: a model of two-particles problem. (Russian. English summary) Zbl 1369.47076 Nanosist., Fiz. Khim. Mat. 2, No. 2, 15-31 (2011). MSC: 47N50 81Q10 81Q35 PDF BibTeX XML Cite \textit{D. A. Eremin} and \textit{I. Yu. Popov}, Nanosist., Fiz. Khim. Mat. 2, No. 2, 15--31 (2011; Zbl 1369.47076) OpenURL
Wang, Ruidong On the extension problem between separable smooth Banach spaces with RNP. (English) Zbl 1274.46040 Quaest. Math. 34, No. 1, 67-73 (2011). MSC: 46B20 46B22 PDF BibTeX XML Cite \textit{R. Wang}, Quaest. Math. 34, No. 1, 67--73 (2011; Zbl 1274.46040) Full Text: DOI OpenURL
Arlinskiĭ, Yury Schur parameters, Toeplitz matrices, and Kreĭn shorted operators. (English) Zbl 1256.47013 Integral Equations Oper. Theory 71, No. 3, 417-453 (2011). Reviewer: Ilie Valuşescu (Bucureşti) MSC: 47A48 47A56 47A57 47A64 15B05 47B35 47N70 93B05 93B07 PDF BibTeX XML Cite \textit{Y. Arlinskiĭ}, Integral Equations Oper. Theory 71, No. 3, 417--453 (2011; Zbl 1256.47013) Full Text: DOI arXiv OpenURL
Tarcsay, Zsigmond On operators with closed ranges. (English) Zbl 1262.47011 Acta Sci. Math. 77, No. 3-4, 579-587 (2011). Reviewer: Michal Zajac (Bratislava) MSC: 47A20 47B65 47A05 PDF BibTeX XML Cite \textit{Z. Tarcsay}, Acta Sci. Math. 77, No. 3--4, 579--587 (2011; Zbl 1262.47011) OpenURL
Grod, A.; Kuzhel, S.; Sudilovskaya, V. On operators of transition in Krein spaces. (English) Zbl 1248.47038 Opusc. Math. 31, No. 1, 49-59 (2011). Reviewer: Andreas Fleige (Dortmund) MSC: 47B50 47B25 47A55 47A57 PDF BibTeX XML Cite \textit{A. Grod} et al., Opusc. Math. 31, No. 1, 49--59 (2011; Zbl 1248.47038) Full Text: DOI OpenURL
Arlinskiĭ, Yury; Kovalev, Yury Operators in divergence form and their Friedrichs and Kreĭn extensions. (English) Zbl 1239.47008 Opusc. Math. 31, No. 4, 501-517 (2011). Reviewer: Andreas Fleige (Dortmund) MSC: 47A20 47B25 47E05 34L40 81Q10 PDF BibTeX XML Cite \textit{Y. Arlinskiĭ} and \textit{Y. Kovalev}, Opusc. Math. 31, No. 4, 501--517 (2011; Zbl 1239.47008) Full Text: DOI OpenURL
Ding, Guanggui The isometrical extensions of 1-Lipschitz mappings on Gâteaux differentiability spaces. (English) Zbl 1232.46011 Sci. China, Math. 54, No. 4, 711-722 (2011). MSC: 46B04 46B20 46B22 PDF BibTeX XML Cite \textit{G. Ding}, Sci. China, Math. 54, No. 4, 711--722 (2011; Zbl 1232.46011) Full Text: DOI OpenURL
Zemánek, Petr Krein–von Neumann and Friedrichs extensions for second order operators on time scales. (English) Zbl 1231.47042 Int. J. Dyn. Syst. Differ. Equ. 3, No. 1-2, 132-144 (2011). Reviewer: K. Rajendra Prasad (Visakhapatnam) MSC: 47E05 34N05 PDF BibTeX XML Cite \textit{P. Zemánek}, Int. J. Dyn. Syst. Differ. Equ. 3, No. 1--2, 132--144 (2011; Zbl 1231.47042) Full Text: DOI OpenURL
Shi, Yuming; Sun, Huaqing Self-adjoint extensions for second-order symmetric linear difference equations. (English) Zbl 1210.39004 Linear Algebra Appl. 434, No. 4, 903-930 (2011). Reviewer: Claudio Cuevas (Pernambuco) MSC: 39A12 39A70 39A06 47B15 47B25 PDF BibTeX XML Cite \textit{Y. Shi} and \textit{H. Sun}, Linear Algebra Appl. 434, No. 4, 903--930 (2011; Zbl 1210.39004) Full Text: DOI OpenURL
Förster, K.-H.; Nafalska, M. M. A factorization of extremal extensions with applications to block operator matrices. (English) Zbl 1223.47025 Acta Math. Hung. 129, No. 1-2, 112-141 (2010). Reviewer: Michael Perelmuter (Kyïv) MSC: 47B25 47A20 PDF BibTeX XML Cite \textit{K. H. Förster} and \textit{M. M. Nafalska}, Acta Math. Hung. 129, No. 1--2, 112--141 (2010; Zbl 1223.47025) Full Text: DOI OpenURL
Behrndt, Jussi; Langer, Matthias; Lobanov, Igor; Lotoreichik, Vladimir; Popov, Igor Yu. A remark on Schatten-von Neumann properties of resolvent differences of generalized Robin Laplacians on bounded domains. (English) Zbl 1198.35159 J. Math. Anal. Appl. 371, No. 2, 750-758 (2010). MSC: 35P05 35B40 35J25 47F05 47A10 PDF BibTeX XML Cite \textit{J. Behrndt} et al., J. Math. Anal. Appl. 371, No. 2, 750--758 (2010; Zbl 1198.35159) Full Text: DOI arXiv OpenURL
Fleige, Andreas; Hassi, Seppo; de Snoo, Henk; Winkler, Henrik Sesquilinear forms corresponding to a non-semibounded Sturm-Liouville operator. (English) Zbl 1187.47006 Proc. R. Soc. Edinb., Sect. A, Math. 140, No. 2, 291-318 (2010). MSC: 47A07 47B25 34B24 47E05 47A70 PDF BibTeX XML Cite \textit{A. Fleige} et al., Proc. R. Soc. Edinb., Sect. A, Math. 140, No. 2, 291--318 (2010; Zbl 1187.47006) Full Text: DOI OpenURL
Förster, K.-H.; Nafalska, M. M. Nonnegative extensions via embeddings. (English) Zbl 1192.47020 Behrndt, Jussi (ed.) et al., Recent advances in operator theory in Hilbert and Krein spaces. Papers of the 7th workshop on operator theory in Krein spaces and spectral analysis, TU Berlin, Germany, December 13–16, 2007. Dedicated to Peter Jonas. Basel: Birkhäuser (ISBN 978-3-0346-0179-5/hbk; 978-3-0346-0180-1/ebook). Operator Theory: Advances and Applications 198, 171-183 (2010). MSC: 47B25 47B65 PDF BibTeX XML Cite \textit{K. H. Förster} and \textit{M. M. Nafalska}, Oper. Theory: Adv. Appl. 198, 171--183 (2010; Zbl 1192.47020) OpenURL
Alpay, Daniel; Dijksma, Aad; Langer, Heinz; Reich, Simeon; Shoikhet, David Boundary interpolation and rigidity for generalized Nevanlinna functions. (English) Zbl 1210.47040 Math. Nachr. 283, No. 3, 335-364 (2010). Reviewer: Adhemar Bultheel (Leuven) MSC: 47A57 30E05 47B32 46C20 30D30 15B05 PDF BibTeX XML Cite \textit{D. Alpay} et al., Math. Nachr. 283, No. 3, 335--364 (2010; Zbl 1210.47040) Full Text: DOI Link OpenURL
Ashbaugh, Mark S.; Gesztesy, Fritz; Mitrea, Marius; Shterenberg, Roman; Teschl, Gerald The Krein-von Neumann extension and its connection to an abstract buckling problem. (English) Zbl 1183.35100 Math. Nachr. 283, No. 2, 165-179 (2010). MSC: 35J25 35J40 47A10 47F05 74K20 PDF BibTeX XML Cite \textit{M. S. Ashbaugh} et al., Math. Nachr. 283, No. 2, 165--179 (2010; Zbl 1183.35100) Full Text: DOI arXiv OpenURL
Ding, Guanggui The isometric extension of an into mapping from the unit sphere \(S[\ell (\Gamma)]\) to the unit sphere \(S (E)\). (English) Zbl 1212.46018 Acta Math. Sci., Ser. B, Engl. Ed. 29, No. 3, 469-479 (2009). MSC: 46B04 46B20 46B22 PDF BibTeX XML Cite \textit{G. Ding}, Acta Math. Sci., Ser. B, Engl. Ed. 29, No. 3, 469--479 (2009; Zbl 1212.46018) Full Text: DOI OpenURL
Derkach, Vladimir; Dym, Harry On linear fractional transformations associated with generalized \(J\)-inner matrix functions. (English) Zbl 1185.47015 Integral Equations Oper. Theory 65, No. 1, 1-50 (2009). Reviewer: Ilie Valuşescu (Bucureşti) MSC: 47A56 46C20 46E22 47A57 47B20 PDF BibTeX XML Cite \textit{V. Derkach} and \textit{H. Dym}, Integral Equations Oper. Theory 65, No. 1, 1--50 (2009; Zbl 1185.47015) Full Text: DOI arXiv OpenURL
Fritzsche, Bernd; Kirstein, Bernd; Lasarow, Andreas The matricial Schur problem in both nondegenerate and degenerate cases. (English) Zbl 1171.47013 Math. Nachr. 282, No. 2, 180-210 (2009). Reviewer: Ilie Valuşescu (Bucureşti) MSC: 47A57 30E05 PDF BibTeX XML Cite \textit{B. Fritzsche} et al., Math. Nachr. 282, No. 2, 180--210 (2009; Zbl 1171.47013) Full Text: DOI OpenURL
Alpay, D.; Dijksma, A.; Langer, H. Augmented Schur parameters for generalized Nevanlinna functions and approximation. (English) Zbl 1161.41004 Behrndt, Jussi (ed.) et al., Spectral theory in inner product spaces and applications. Papers of the 6th workshop on operator theory in Krein spaces and operator polynomials, TU Berlin, Germany, December 14–17, 2006. Basel: Birkhäuser (ISBN 978-3-7643-8910-9/hbk). Operator Theory: Advances and Applications 188, 1-30 (2009). Reviewer: Jacek Gilewicz (Marseille) MSC: 41A20 47A57 46C20 30C80 47B32 30D30 PDF BibTeX XML Cite \textit{D. Alpay} et al., Oper. Theory: Adv. Appl. 188, 1--30 (2009; Zbl 1161.41004) Full Text: DOI OpenURL