Bouzidi, Sana; Walha, Ines On the criteria of a measure of non-strict cosingularity in the description of spectral properties of operator matrix. (English) Zbl 07984137 Georgian Math. J. 32, No. 1, 37-50 (2025). MSC: 47A56 47A13 47A53 47A10 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Sarajlija, Nikola Upper triangular operator matrices and stability of their various spectra. (English) Zbl 07851980 Result. Math. 79, No. 4, Paper No. 156, 19 p. (2024). MSC: 47A08 47A53 47A55 47A05 47A10 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Xu, Guixin; Zhang, Meirong Relationships between perturbations of a linear relation and its operator part. (English) Zbl 1510.47005 Discrete Dyn. Nat. Soc. 2022, Article ID 9134363, 12 p. (2022). MSC: 47A06 47A55 47B25 47A10 × Cite Format Result Cite Review PDF Full Text: DOI
Zhang, Ruihan; Shi, Weijuan; Ji, Guoxing Additive mappings preserving Fredholm operators with fixed nullity or defect. (English) Zbl 1516.47072 Acta Math. Sci., Ser. B, Engl. Ed. 41, No. 5, 1670-1678 (2021). MSC: 47B49 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Mirzoev, K. A.; Konechnaya, N. N.; Safonova, T. A.; Tagirova, R. N. Generalized Jacobi matrices and spectral analysis of differential operators with polynomial coefficients. (English. Russian original) Zbl 1507.47100 J. Math. Sci., New York 252, No. 2, 213-224 (2021); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 152, 91-102 (2018). MSC: 47E05 47B36 34L05 × Cite Format Result Cite Review PDF Full Text: DOI
Sun, Huaqing; Xie, Bing Spectra of a class of non-symmetric operators in Hilbert spaces with applications to singular differential operators. (English) Zbl 1506.47037 Proc. R. Soc. Edinb., Sect. A, Math. 150, No. 4, 1769-1790 (2020). Reviewer: Hubert Kalf (München) MSC: 47B25 34B24 × Cite Format Result Cite Review PDF Full Text: DOI
Ammar, Aymen; Jeribi, Aref; Mahfoudhi, Kamel Measure of noncompactness, essential approximation and defect pseudospectrum. (English) Zbl 1438.47012 Methods Funct. Anal. Topol. 25, No. 1, 1-11 (2019). Reviewer: Anatoly N. Kochubei (Kyïv) MSC: 47A10 47B01 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: Link
Mirzoev, K. A.; Konechnaya, N. N.; Safonova, T. A.; Tagirova, R. N. On asymptotics of solutions to some linear differential equations. (English. Russian original) Zbl 1490.34017 J. Math. Sci., New York 241, No. 5, 614-621 (2019); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 141, 103-110 (2017). MSC: 34A30 34B09 34D05 34A05 × Cite Format Result Cite Review PDF Full Text: DOI
Fakhfakh, Fatma Perturbations results for some classes related to Browder linear relations and applications. (English) Zbl 06984219 Complex Anal. Oper. Theory 12, No. 8, 2003-2018 (2018). MSC: 47A06 47A55 47A10 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Meng, Xiao-Li Statistical paradises and paradoxes in big data. I: Law of large populations, big data paradox, and the 2016 US presidential election. (English) Zbl 1405.62241 Ann. Appl. Stat. 12, No. 2, 685-726 (2018). MSC: 62P25 62A01 62D05 × Cite Format Result Cite Review PDF Full Text: DOI Euclid
Atkins, Ross; Rombach, Puck; Skerman, Fiona Guessing numbers of odd cycles. (English) Zbl 1358.05092 Electron. J. Comb. 24, No. 1, Research Paper P1.45, 20 p. (2017). MSC: 05C15 05C38 × Cite Format Result Cite Review PDF Full Text: arXiv Link
Atiyah, Michael The Hirzebruch signature theorem for conical metrics. (English) Zbl 1376.57028 Ballmann, Werner (ed.) et al., Arbeitstagung Bonn 2013. In memory of Friedrich Hirzebruch. Proceedings of the meeting, Bonn, Germany, May, 22–28, 2013. Basel: Birkhäuser/Springer (ISBN 978-3-319-43646-3/hbk; 978-3-319-43648-7/ebook). Progress in Mathematics 319, 1-15 (2016). Reviewer: Jonathan Hodgson (Swarthmore) MSC: 57R19 57R20 53C25 57-03 01A60 × Cite Format Result Cite Review PDF Full Text: DOI
Sun, Huaqing; Kong, Qingkai; Shi, Yuming Essential spectrum of singular discrete linear Hamiltonian systems. (English) Zbl 1353.39008 Math. Nachr. 289, No. 2-3, 343-359 (2016). Reviewer: Petr Zemanek (Brno) MSC: 39A12 47A06 47B39 39A70 34L05 34B20 39A06 × Cite Format Result Cite Review PDF Full Text: DOI
Sun, Huaqing; Shi, Yuming On essential spectra of singular linear Hamiltonian systems. (English) Zbl 1329.47044 Linear Algebra Appl. 469, 204-229 (2015). Reviewer: Adriana Buică (Cluj-Napoca) MSC: 47E05 34L05 34B20 × Cite Format Result Cite Review PDF Full Text: DOI
Ren, Guojing Defect index of the square of a formally self-adjoint second-order difference expression. (English) Zbl 1343.39010 Adv. Difference Equ. 2014, Paper No. 48, 12 p. (2014). MSC: 39A10 34B20 × Cite Format Result Cite Review PDF Full Text: DOI
Zheng, Zhaowen; Liu, Baosheng Self-adjointness of the product of three Hamiltonian operators under limit circle case. (Chinese. English summary) Zbl 1324.47047 Acta Math. Appl. Sin. 37, No. 5, 769-785 (2014). MSC: 47B25 34B20 47E05 47A05 × Cite Format Result Cite Review PDF
Sun, Huaqing; Shi, Yuming; Jian, Wenwen \(\mathcal{J}\)-self-adjoint extensions of a class of Hamiltonian differential systems. (English) Zbl 1417.34205 Linear Algebra Appl. 462, 204-232 (2014). MSC: 34L05 34B40 47E05 37J45 × Cite Format Result Cite Review PDF Full Text: DOI
Grisel, Y.; Mouysset, V.; Mazet, P. A.; Raymond, J. P. Adaptive refinement and selection process through defect localization for reconstructing an inhomogeneous refraction index. (English) Zbl 1295.65106 Inverse Probl. 30, No. 7, Article ID 075003, 22 p. (2014). MSC: 65N21 35J05 35R30 × Cite Format Result Cite Review PDF Full Text: DOI arXiv HAL
Ren, Guojing; Shi, Yuming Self-adjoint extensions for discrete linear Hamiltonian systems. (English) Zbl 1291.39018 Linear Algebra Appl. 454, 1-48 (2014). MSC: 39A12 39A70 37J05 × Cite Format Result Cite Review PDF Full Text: DOI
Sun, Huaqing; Ren, Guojing \(J\)-self-adjoint extensions for second-order linear difference equations with complex coefficients. (English) Zbl 1365.39011 Adv. Difference Equ. 2013, Paper No. 3, 26 p. (2013). MSC: 39A70 47A06 × Cite Format Result Cite Review PDF Full Text: DOI
Alvarez, Teresa; Fakhfakh, Fatma; Mnif, Maher Characterization of closed densely defined semi-Browder linear operators. (English) Zbl 1315.47002 Complex Anal. Oper. Theory 7, No. 6, 1775-1786 (2013). Reviewer: Hassane Zguitti (Nador) MSC: 47A10 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Chang, Cheng-Chun; Gau, Hwa-Long; Wang, Ya-Shu; Wu, Szu-Chieh; Yeh, Ya-Ting Matrices with defect index one. (English) Zbl 1295.15014 Oper. Matrices 7, No. 4, 865-885 (2013). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 15A60 × Cite Format Result Cite Review PDF Full Text: DOI Link
Yang, Sheng 3-blocks with Abelian defect groups isomorphic to \(\mathbb Z_{3^m}\times\mathbb Z_{3^n}\). (English) Zbl 1281.20013 Acta Math. Sin., Engl. Ser. 29, No. 12, 2245-2250 (2013). MSC: 20C20 20C15 × Cite Format Result Cite Review PDF Full Text: DOI
Neretin, Yury A. Difference Sturm-Liouville problems in the imaginary direction. (English) Zbl 1277.39014 J. Spectr. Theory 3, No. 3, 237-269 (2013). Reviewer: Peter Zabreiko (Minsk) MSC: 39A12 34B24 47B39 47G10 44A20 58C40 33C05 39A70 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Allahverdiev, Bilender P. Extensions of symmetric second-order difference operators with matrix coefficients. (English) Zbl 1278.39027 J. Difference Equ. Appl. 19, No. 5, 839-849 (2013). Reviewer: Narcisa C. Apreutesei (Iaşi) MSC: 39A70 47B25 47B36 47B39 47B44 × Cite Format Result Cite Review PDF Full Text: DOI
Ren, Guojing Defect indices of singular symmetric linear difference equations with complex coefficients. (English) Zbl 1302.39030 Adv. Difference Equ. 2012, Paper No. 27, 13 p. (2012). MSC: 39A50 39A06 39A70 × Cite Format Result Cite Review PDF Full Text: DOI
Fakhfakh, Fatma; Mnif, Maher Browder and semi-Browder operators. (English) Zbl 1271.47004 Acta Math. Sci., Ser. B, Engl. Ed. 32, No. 3, 942-954 (2012). MSC: 47A10 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Zheng, Zhaowen; Liu, Baosheng Self-adjointness of the product of two Hamiltonian operators under the limit circle case. (Chinese. English summary) Zbl 1261.47030 Acta Math. Sin., Chin. Ser. 55, No. 2, 301-310 (2012). MSC: 47B25 34L05 × Cite Format Result Cite Review PDF
Bahri, S. M. On the localization of the spectrum for quasi-selfadjoint extensions of a Carleman operator. (English) Zbl 1265.45001 Math. Bohem. 137, No. 3, 249-258 (2012). Reviewer: C. G. Ambrozie (Praha) MSC: 45C05 45P05 47B25 58C40 × Cite Format Result Cite Review PDF Full Text: DOI EuDML Link
Roybal, Roger A. Joint defect index of a cyclic tuple of symmetric operators. (English) Zbl 1276.47009 Ball, Joseph A. (ed.) et al., Recent progress in operator theory and its applications. Proceedings of the 20th international workshop on operator theory and applications (IWOTA), Guanajuato, Mexico, September 21–25, 2009. Basel: Birkhäuser (ISBN 978-3-0348-0345-8/hbk; 978-3-0348-0346-5/ebook). Operator Theory: Advances and Applications 220, 255-261 (2012). Reviewer: Dan E. Popovici (Timişoara) MSC: 47A13 47A16 47B25 47B32 × Cite Format Result Cite Review PDF Full Text: DOI
Ren, Guojing; Shi, Yuming Defect indices and definiteness conditions for a class of discrete linear Hamiltonian systems. (English) Zbl 1256.39004 Appl. Math. Comput. 218, No. 7, 3414-3429 (2011). Reviewer: Yuming Chen (Waterloo) MSC: 39A12 39A06 37J05 × Cite Format Result Cite Review PDF Full Text: DOI
Fakhfakh, F.; Mnif, M. Perturbation theory of lower semi-Browder multivalued linear operators. (English) Zbl 1229.47006 Publ. Math. Debr. 78, No. 3-4, 595-606 (2011). Reviewer: Florian-Horia Vasilescu (Villeneuve d’Ascq) MSC: 47A06 47A53 47A10 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Sun, Huaqing; Shi, Yuming Self-adjoint extensions for singular linear Hamiltonian systems. (English) Zbl 1228.47026 Math. Nachr. 284, No. 5-6, 797-814 (2011). Reviewer: Adriana Buică (Cluj-Napoca) MSC: 47B25 47N20 34L40 34B05 × Cite Format Result Cite Review PDF Full Text: DOI
Ben Ali, Naouel; Jeribi, Aref; Moalla, Nedra On some subsets of Schechter’s essential spectrum of a matrix operator and application to transport operator. (English) Zbl 1239.47003 Math. Nachr. 283, No. 9, 1245-1256 (2010). Reviewer: Mohamed Zohry (Tétouan) MSC: 47A10 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Sun, Huaqing; Shi, Yuming Self-adjoint extensions for linear Hamiltonian systems with two singular endpoints. (English) Zbl 1202.47012 J. Funct. Anal. 259, No. 8, 2003-2027 (2010). Reviewer: Boris V. Loginov (Ul’yanovsk) MSC: 47A48 47B25 37J99 × Cite Format Result Cite Review PDF Full Text: DOI
Ren, Guojing; Shi, Yuming The defect index of singular symmetric linear difference equations with real coefficients. (English) Zbl 1196.39003 Proc. Am. Math. Soc. 138, No. 7, 2463-2475 (2010). Reviewer: Fei Xue (Hartford) MSC: 39A10 34B20 39A12 × Cite Format Result Cite Review PDF Full Text: DOI
Sun, Huaqing On the limit-point case of singular linear Hamiltonian systems. (English) Zbl 1194.34037 Appl. Anal. 89, No. 5, 663-675 (2010). MSC: 34B20 34A30 34D05 37J99 × Cite Format Result Cite Review PDF Full Text: DOI
Gau, Hwa-Long; Wu, Pei Yuan Defect indices of powers of a contraction. (English) Zbl 1191.47012 Linear Algebra Appl. 432, No. 11, 2824-2833 (2010). Reviewer: Ilie Valuşescu (Bucureşti) MSC: 47A45 15A03 47A30 × Cite Format Result Cite Review PDF Full Text: DOI
Bercovici, Hari The unbounded commutant of an operator of class \(C_{0}\). (English) Zbl 1198.47017 Oper. Matrices 3, No. 4, 599-605 (2009). Reviewer: Edward L. Pekarev (Odessa) MSC: 47A45 47L10 × Cite Format Result Cite Review PDF Full Text: DOI arXiv Link
Eyvazov, Elshad Kh. On defect indices of one-centre differential operators. (English) Zbl 1196.47036 Trans. Natl. Acad. Sci. Azerb., Ser. Phys.-Tech. Math. Sci. 29, No. 1, Math. Mech., 23-26 (2009). Reviewer: Constantin Corduneanu (Arlington) MSC: 47F05 58J20 32W99 × Cite Format Result Cite Review PDF
Sandovici, Adrian; de Snoo, Henk An index formula for the product of linear relations. (English) Zbl 1176.47014 Linear Algebra Appl. 431, No. 11, 2160-2171 (2009). Reviewer: Alexei Yu. Karlovich (Lisboa) MSC: 47A53 47A06 × Cite Format Result Cite Review PDF Full Text: DOI
Charfi, Salma; Jeribi, Aref On a characterization of the essential spectra of some matrix operators and application to two-group transport operators. (English) Zbl 1172.47013 Math. Z. 262, No. 4, 775-794 (2009). Reviewer: Alexei Yu. Karlovich (Lisboa) MSC: 47A53 35R10 47N20 × Cite Format Result Cite Review PDF Full Text: DOI
Marcus, Andrei Derived invariance of Clifford classes. (English) Zbl 1180.20006 J. Group Theory 12, No. 1, 83-94 (2009). Reviewer: Alexandre Turull (Gainesville) MSC: 20C15 16W50 16K50 16S35 20C20 × Cite Format Result Cite Review PDF Full Text: DOI
Geline, Michael Schur indices of characters in blocks of full defect. (English) Zbl 1180.20003 J. Group Theory 12, No. 1, 75-81 (2009). Reviewer: Alexandre Turull (Gainesville) MSC: 20C15 20C20 20D10 × Cite Format Result Cite Review PDF Full Text: DOI
Fakhfakh, Fatma; Mnif, Maher Perturbation of semi-Browder operators and stability of Browder’s essential defect and approximate point spectrum. (English) Zbl 1151.47020 J. Math. Anal. Appl. 347, No. 1, 235-242 (2008). Reviewer: Mohamed Zohry (Tétouan) MSC: 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Guo, Kunyu; Wang, Penghui Defect operators and Fredholmness for Toeplitz pairs with inner symbols. (English) Zbl 1150.47004 J. Oper. Theory 58, No. 2, 251-268 (2007). Reviewer: Andrzej Soltysiak (Poznan) MSC: 47A13 47A20 46H25 46C99 × Cite Format Result Cite Review PDF
Sun, Huaqing; Shi, Yuming Strong limit point criteria for a class of singular discrete linear Hamiltonian systems. (English) Zbl 1132.39014 J. Math. Anal. Appl. 336, No. 1, 224-242 (2007). Reviewer: Martin Rasmussen (Augsburg) MSC: 39A12 37J05 × Cite Format Result Cite Review PDF Full Text: DOI
Sickenberger, Thorsten; Weinmüller, Ewa; Winkler, Renate Local error estimates for moderately smooth problems. I: ODEs and DAEs. (English) Zbl 1118.65082 BIT 47, No. 1, 157-187 (2007). Reviewer: M. Gousidou-Koutita (Thessaloniki) MSC: 65L05 65L06 65L80 34A34 34A09 65L70 65C30 60H10 34F05 × Cite Format Result Cite Review PDF Full Text: DOI
Wu, Pei Yuan Polar decompositions of \(C_0(N)\) contractions. (English) Zbl 1109.47011 Integral Equations Oper. Theory 56, No. 4, 559-569 (2006). MSC: 47A45 47A20 15A23 × Cite Format Result Cite Review PDF Full Text: DOI
Li, Yuan; Du, Hongke The intersection of essential approximate point spectra of operator matrices. (English) Zbl 1108.47013 J. Math. Anal. Appl. 323, No. 2, 1171-1183 (2006). Reviewer: Alexei Yu. Karlovich (Braga) MSC: 47A53 47A10 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Gau, Hwa-Long; Wu, Pei Yuan Companion matrices: Reducibility, numerical ranges and similarity to contractions. (English) Zbl 1063.15025 Linear Algebra Appl. 383, 127-142 (2004). Reviewer: Michal Zajac (Bratislava) MSC: 15A60 15A21 × Cite Format Result Cite Review PDF Full Text: DOI
Shi, Yuming On the rank of the matrix radius of the limiting set for a singular linear Hamiltonian system. (English) Zbl 1047.37041 Linear Algebra Appl. 376, 109-123 (2004). Reviewer: Jan Andres (Olomouc) MSC: 37J35 34B05 34B20 × Cite Format Result Cite Review PDF Full Text: DOI
Kostenko, A. S. On the defect index of quadratic self-adjoint operator pencils. (English. Russian original) Zbl 1033.15008 Math. Notes 72, No. 2, 285-290 (2002); translation from Mat. Zametki 72, No. 2, 315-320 (2002). Reviewer: Nicholas Karampetakis (Thessaloniki) MSC: 15A22 47A10 47A56 × Cite Format Result Cite Review PDF Full Text: DOI
Smith, Howard Groups with all non-nilpotent subgroups subnormal. (English) Zbl 1017.20018 Curzio, Mario (ed.) et al., Topics in infinite groups. Rome: Aracne. Quad. Mat. 309-326 (2001). Reviewer: H.Heineken (Würzburg) MSC: 20E15 20F18 20F19 20E07 20E25 × Cite Format Result Cite Review PDF
Smith, Howard Torsion-free groups with all non-nilpotent subgroups subnormal. (English) Zbl 1017.20017 Curzio, Mario (ed.) et al., Topics in infinite groups. Rome: Aracne. Quad. Mat. 297-308 (2001). Reviewer: H.Heineken (Würzburg) MSC: 20E15 20F18 20F19 20E07 20E25 × Cite Format Result Cite Review PDF
Kravchenko, V. G.; Lebre, A. B.; Litvinchuk, G. S. Spectrum problems for singular integral operators with Carleman shift. (English) Zbl 0994.47047 Math. Nachr. 226, 129-151 (2001). Reviewer: Niels Jacob (Swansea) MSC: 47G10 47A10 47A68 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Lee, Mi Young; Lee, Sang Hun On \(p\)-quasihyponormal contraction operators. (English) Zbl 0986.47020 Kyungpook Math. J. 40, No. 2, 353-356 (2000). MSC: 47B20 × Cite Format Result Cite Review PDF
Bechtluft-Sachs, Stefan; Hien, Marco Sets of fibre homotopy classes and twisted order parameter spaces. (English) Zbl 1001.55018 Commun. Math. Phys. 211, No. 2, 407-412 (2000). MSC: 55R99 82D99 × Cite Format Result Cite Review PDF Full Text: DOI
Ohm, Jack On the vector space defect for valued field extensions. (English) Zbl 0962.12004 Delzell, Charles N. (ed.) et al., Real algebraic geometry and ordered structures. AMS special session, Baton Rouge, LA, USA, April 17-21, 1996 and the associated special semester at Louisiana State University and Southern University, Baton Rouge, LA, USA, January-May 1996. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 253, 209-217 (2000). Reviewer: Barry Green (Stellenbosh) MSC: 12J10 12J20 12F05 × Cite Format Result Cite Review PDF
Bechtluft-Sachs, Stefan; Hien, Marco The global defect index. (English) Zbl 1026.55019 Commun. Math. Phys. 202, No. 2, 403-409 (1999). MSC: 55Q99 55R10 × Cite Format Result Cite Review PDF Full Text: DOI
Nees, Manuela Products of orthogonal projections as Carleman operators. (English) Zbl 0935.47002 Integral Equations Oper. Theory 35, No. 1, 85-92 (1999). Reviewer: D.Przeworska-Rolewicz (Warszawa) MSC: 47A05 47A53 47G10 46C05 × Cite Format Result Cite Review PDF Full Text: DOI
Canoğlu, Ahmet; Allahverdiev, B. P. Extensions of a symmetric second-order differential operator. (English) Zbl 1049.47504 Math. Balk., New Ser. 12, No. 3-4, 271-275 (1998). MSC: 47E05 34L05 47B25 47B44 47A20 × Cite Format Result Cite Review PDF
Kaltenbäck, M.; Woracek, H. Generalized resolvent matrices and spaces of analytic functions. (English) Zbl 0928.47023 Integral Equations Oper. Theory 32, No. 3, 282-318 (1998). MSC: 47B50 46C20 30H05 46E22 46E20 47A56 × Cite Format Result Cite Review PDF Full Text: DOI
Takahashi, Katsutoshi; Wu, Pei Yuan Dilation to the unilateral shifts. (English) Zbl 0918.47011 Integral Equations Oper. Theory 32, No. 1, 101-113 (1998). MSC: 47A20 47A45 × Cite Format Result Cite Review PDF Full Text: DOI
Ogata, Shoetsu; Saito, Masa-Hiko Signature defects and eta functions of degenerations of abelian varieties. (English) Zbl 0895.58051 Jap. J. Math., New Ser. 23, No. 2, 319-364 (1997). Reviewer: N.Blažić (Beograd) MSC: 58J20 58J60 14J60 × Cite Format Result Cite Review PDF
Allahverdiev, B. P.; Canoǧlu, Ahmet Spectral analysis of dissipative Schrödinger operators. (English) Zbl 0901.47001 Proc. R. Soc. Edinb., Sect. A, Math. 127, No. 6, 1113-1121 (1997). MSC: 47A40 47B44 47F05 47A45 47A70 × Cite Format Result Cite Review PDF Full Text: DOI
Zeng, Jiwen An inequality of block invariants. (English) Zbl 0886.20008 J. Algebra 193, No. 2, 724-727 (1997). Reviewer: B.Külshammer (Jena) MSC: 20C20 20C05 20D60 × Cite Format Result Cite Review PDF Full Text: DOI
Kapustin, V. V. Hyperreflexivity of contractions close to isometries. (English) Zbl 0939.47015 Bolibruch, A. A. (ed.) et al., Mathematics in St. Petersburg. Based on a three-day conference, St. Petersburg, Russia, October 1993. Providence, RI: American Mathematical Society. Transl., Ser. 2, Am. Math. Soc. 174, 193-203 (1996). Reviewer: P.C.Sinha (Patna) MSC: 47A65 47B99 × Cite Format Result Cite Review PDF
Somali, Şennur Iterated defect correction methods for nonlinear differential-algebraic systems of index 2. (English) Zbl 0856.65081 An. Științ. Univ. Al. I. Cuza Iași, Ser. Nouă, Mat. 41, No. 1, 189-203 (1995). MSC: 65L05 65L06 65L70 34A09 34A34 × Cite Format Result Cite Review PDF
Holm, Thorsten The even Hochschild cohomology ring of a block with cyclic defect group. (English) Zbl 0840.16010 J. Algebra 178, No. 1, 317-341 (1995). Reviewer: F.R.Bobovich (St.Peterburg) MSC: 16E40 20C20 16W50 20C05 20J06 × Cite Format Result Cite Review PDF Full Text: DOI
Bornstein, Claudson F.; Szwarcfiter, Jayme L. On clique convergent graphs. (English) Zbl 0841.05094 Graphs Comb. 11, No. 3, 213-220 (1995). Reviewer: L.Niepel (Bratislava) MSC: 05C99 05C35 × Cite Format Result Cite Review PDF Full Text: DOI Link
Kratz, Werner An index theorem for monotone matrix-valued functions. (English) Zbl 0820.47012 SIAM J. Matrix Anal. Appl. 16, No. 1, 113-122 (1995). MSC: 47A56 15A03 47A05 15A23 26A48 34A30 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Exner, George R.; Jung, Il Bong \(C._ 0\) and \(C_{11}\) contractions with finite defects in the classes \(\mathbb{A}_{m,n}\). (English) Zbl 0830.47037 Acta Sci. Math. 59, No. 3-4, 555-573 (1994). MSC: 47L45 47A20 47A15 47A45 × Cite Format Result Cite Review PDF
Holm, Thorsten Hochschild cohomology of blocks with cyclic defect group. (Hochschild-Kohomologie von Blöcken mit zyklischer Defektgruppe.) (German) Zbl 0843.16009 Vorlesungen aus dem Fachbereich Mathematik der Universität Essen, 22. Essen: Univ. GH, FB Mathematik, 74 p. (1994). MSC: 16E40 20C20 20C05 16W50 20J06 × Cite Format Result Cite Review PDF
Chugunova, M. V. An integral extension of the operator of second order differentiation. (Russian) Zbl 0818.47043 Funkts. Anal. 34, 76-79 (1993). Reviewer: J.Mika (Durban) MSC: 47E05 × Cite Format Result Cite Review PDF
Kiyota, Masao; Wada, Tomoyuki Some remarks on eigenvalues of the Cartan matrix in finite groups. (English) Zbl 0815.20011 Commun. Algebra 21, No. 11, 3839-3860 (1993). Reviewer: G.Michler (Essen) MSC: 20C20 20D60 20D10 20C05 × Cite Format Result Cite Review PDF Full Text: DOI
Ogata, Shoetsu Singularities and the index theorem. (Japanese) Zbl 0798.58070 Sūgaku 45, No. 1, 1-11 (1993). Reviewer: K.Furutani (Chiba-ken) MSC: 58J20 14B05 × Cite Format Result Cite Review PDF
Zhang, Guangxiang On the block algebras having only one irreducible module. (English) Zbl 0784.20005 Chin. Ann. Math., Ser. B 14, No. 2, 209-212 (1993). Reviewer: B.Külshammer (Augsburg) MSC: 20C20 × Cite Format Result Cite Review PDF
Ogata, Shoetsu Singularities and signature theorem. (English. Japanese original) Zbl 0839.58051 Sugaku Expo. 8, No. 1, 89-102 (1995); translation from Sūgaku 45, No. 1, 1-11 (1993). MSC: 58J20 14B05 × Cite Format Result Cite Review PDF
Somalı, Şennur; Karasözen, Bülent Iterated defect correction methods for differential-algebraic equations. (English) Zbl 0832.34001 Turk. J. Math. 16, No. 3, 230-249 (1992). Reviewer: V.V.Strygin (Voronezh) MSC: 34A09 65L05 65L70 65J99 × Cite Format Result Cite Review PDF
Yanchevskij, V. I. On the defect of valued division algebras. (English) Zbl 0795.16014 Algebra, Proc. Int. Conf. Memory A. I. Mal’cev, Novosibirsk/USSR 1989, Contemp. Math. 131, Pt. 2, 519-528 (1992). Reviewer: Jan Van Geel (Gent) MSC: 16K20 16W60 12J10 × Cite Format Result Cite Review PDF
Allakhverdiev, B. P. On the spectral theory of the non-selfadjoint Schrödinger operator on the whole axis. (Russian) Zbl 0869.47001 Spektr. Teor. Oper. Prilozh. 10, 3-25 (1991). Reviewer: J.Appell (Würzburg) MSC: 47A10 47B44 35J10 47A20 47B25 × Cite Format Result Cite Review PDF
Cossey, John Groups of odd order in which every subnormal subgroup has defect at most two. (English) Zbl 0759.20007 J. Aust. Math. Soc., Ser. A 51, No. 2, 331-342 (1991). Reviewer: D.J.McCaughan (Dunedin) MSC: 20D35 20E34 20D10 20D20 20D60 20D25 × Cite Format Result Cite Review PDF
Tomchin, I. L.; Yanchevskij, V. I. On defects of valued division algebras. (English. Russian original) Zbl 0846.11062 St. Petersbg. Math. J. 3, No. 3, 631-647 (1992); translation from Algebra Anal. 3, No. 3, 147-164 (1991). MSC: 11S45 16K20 12E15 11R52 × Cite Format Result Cite Review PDF
Pulyaev, V. F. Relationship between Noetherianness of linear continuous operators and that of their restrictions. (English. Russian original) Zbl 0729.47013 Sov. Math. 34, No. 8, 72-81 (1990); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1990, No. 8(339), 65-73 (1990). Reviewer: M.Shahin (Dallas) MSC: 47A53 × Cite Format Result Cite Review PDF
Tomchin, I. L.; Yanchevskiĭ, V. I. On the defect of a valuation division ring. (English. Russian original) Zbl 0737.16009 Sov. Math., Dokl. 42, No. 2, 612-614 (1991); translation from Dokl. Akad. Nauk SSSR 314, No. 5, 1082-1084 (1990). Reviewer: Paul M. Cohn (London) MSC: 16K20 12J10 16W60 12E15 × Cite Format Result Cite Review PDF
Usami, Yoko On p-blocks with Abelian defect groups and inertial index 2 or 3. II. (English) Zbl 0675.20006 J. Algebra 122, No. 1, 98-105 (1989). MSC: 20C20 × Cite Format Result Cite Review PDF Full Text: DOI
Nagao, Hiroshi; Tsushima, Yukio Representations of finite groups. Transl. from the Japanese. (English) Zbl 0673.20002 Boston, MA etc.: Academic Press, Inc. xvii, 424 p. $ 70.00 (1989). Reviewer: J.B.Olsson MSC: 20Cxx 20C15 20C20 20-01 × Cite Format Result Cite Review PDF
Karpilovsky, G. The nilpotency index of the radicals of blocks with abelian defect groups. (English) Zbl 0629.20003 Period. Math. Hung. 20, No. 1, 81-84 (1989). MSC: 20C05 16Nxx 16S34 20C20 20D10 × Cite Format Result Cite Review PDF Full Text: DOI
Schmid, Peter Extensions of lattices over p-solvable groups. (English) Zbl 0661.20004 Arch. Math. 50, No. 6, 492-494 (1988). Reviewer: B.G.Basmaji MSC: 20C11 20C05 20D10 × Cite Format Result Cite Review PDF Full Text: DOI
Usami, Yoko On p-blocks with Abelian defect groups and inertial index 2 or 3. I. (English) Zbl 0659.20008 J. Algebra 119, No. 1, 123-146 (1988). Reviewer: W.Hamernik MSC: 20C20 × Cite Format Result Cite Review PDF Full Text: DOI
Bastos, M. A.; dos Santos, A. F.; Lebre, A. B. On the Fredholm theory of Wiener-Hopf equations and the coupling method. (English) Zbl 0647.47040 Integral Equations Oper. Theory 11, No. 3, 297-309 (1988). Reviewer: J.Janas MSC: 47B35 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Jacobson, Eliot The permutation index of p-defect zero characters. (English) Zbl 0638.20008 Ill. J. Math. 32, No. 1, 164-169 (1988). Reviewer: R.W.van der Waall MSC: 20C15 20D60 × Cite Format Result Cite Review PDF
Cliff, G. H.; Plesken, Wilhelm; Weiss, A. Order-theoretic properties of the center of a block. (English) Zbl 0657.20011 Representations of finite groups, Proc. Conf., Arcata/Calif. 1986, Pt. 1, Proc. Symp. Pure Math. 47, 413-420 (1987). MSC: 20C20 20C11 16H05 16S34 20C05 × Cite Format Result Cite Review PDF
Karpilovsky, Gregory The Jacobson radical of group algebras. (English) Zbl 0618.16001 North-Holland Mathematics Studies, 135. Notas de Matemática, 115. Amsterdam etc.: North-Holland. X, 532 p.; $ 86.75; Dfl. 195.00 (1987). Reviewer: D.A.R.Wallace MSC: 16-02 20-02 16S34 16Nxx 20C05 × Cite Format Result Cite Review PDF
Matignon, Michel Genre et genre residuel des corps de fonctions valués. (Genus and residual genus of valued function fields). (French) Zbl 0617.14020 Manuscr. Math. 58, 179-214 (1987). MSC: 14H05 11R58 14E22 12J10 × Cite Format Result Cite Review PDF Full Text: DOI Numdam EuDML
Grecu, Eftimie Sur les groupes symplectiques. (On the symplectic groups). (French) Zbl 0645.20025 Demonstr. Math. 19, 841-850 (1986). Reviewer: V.Dicuonzo MSC: 20G20 14L10 × Cite Format Result Cite Review PDF Full Text: DOI
Matignon, M. Genre des corps de fonctions valués après Deuring, Lamprecht et Mathieu. (Genus of valued function fields after Deuring, Lamprecht and Mathieu). (French) Zbl 0625.12006 p-adic analysis, Proc. Conf., Houthalen/Belg. 1986, 113-121 (1986). MSC: 11R58 14H05 12J25 14J20 × Cite Format Result Cite Review PDF
Heineken, Hermann; Lennox, John C. Subgroups of finite index in T-groups. (English) Zbl 0598.20027 Boll. Unione Mat. Ital., VI. Ser., B 4, 829-841 (1985). Reviewer: R.G.Burns MSC: 20E15 20F16 20E07 20F14 20F22 × Cite Format Result Cite Review PDF
Bulla, W.; Gesztesy, F. Deficiency indices and singular boundary conditions in quantum mechanics. (English) Zbl 0583.35029 J. Math. Phys. 26, 2520-2528 (1985). MSC: 35J10 35R05 35A35 × Cite Format Result Cite Review PDF Full Text: DOI Link