Chen, Huanyin; Sheibani, Marjan The g-Drazin invertibility of a block operator matrix. (English) Zbl 07820487 Math. Notes 114, No. 6, 1163-1168 (2023). MSC: 47Axx PDFBibTeX XMLCite \textit{H. Chen} and \textit{M. Sheibani}, Math. Notes 114, No. 6, 1163--1168 (2023; Zbl 07820487) Full Text: DOI
Kılıç, E. Some classes of tetradiagonal determinants via certain polynomial families. (English) Zbl 07820457 Math. Notes 114, No. 5, 825-844 (2023). MSC: 15A15 11C20 11B39 PDFBibTeX XMLCite \textit{E. Kılıç}, Math. Notes 114, No. 5, 825--844 (2023; Zbl 07820457) Full Text: DOI
Mouçouf, M.; Zriaa, S. Explicit formulas for the matrix logarithm and the principal matrix logarithm. (English) Zbl 1512.15008 Math. Notes 113, No. 3, 406-413 (2023). MSC: 15A16 15A18 PDFBibTeX XMLCite \textit{M. Mouçouf} and \textit{S. Zriaa}, Math. Notes 113, No. 3, 406--413 (2023; Zbl 1512.15008) Full Text: DOI
Chu, Wenchang; Kılıç, Emrah Perturbed Toeplitz matrices and their LU-decompositions. (English) Zbl 1511.15025 Math. Notes 113, No. 1, 39-48 (2023). Reviewer: Francisco Marcellán (Leganes) MSC: 15B05 15A15 15A23 47A55 PDFBibTeX XMLCite \textit{W. Chu} and \textit{E. Kılıç}, Math. Notes 113, No. 1, 39--48 (2023; Zbl 1511.15025) Full Text: DOI
Novikov, S. Ya.; Sevost’yanova, V. V. Equivalence classes of Parseval frames. (English. Russian original) Zbl 1511.42027 Math. Notes 112, No. 6, 940-954 (2022); translation from Mat. Zametki 112, No. 6, 850-866 (2022). Reviewer: Mahesh Krishna K. (Bangalore) MSC: 42C15 15B36 05C38 PDFBibTeX XMLCite \textit{S. Ya. Novikov} and \textit{V. V. Sevost'yanova}, Math. Notes 112, No. 6, 940--954 (2022; Zbl 1511.42027); translation from Mat. Zametki 112, No. 6, 850--866 (2022) Full Text: DOI
Abdurakhimova, Sh. B.; Rozikov, U. A. Dynamical system of a quadratic stochastic operator with two discontinuity points. (English. Russian original) Zbl 1494.92092 Math. Notes 111, No. 5, 676-687 (2022); translation from Mat. Zametki 111, No. 5, 664-675 (2022). MSC: 92D25 37C25 PDFBibTeX XMLCite \textit{Sh. B. Abdurakhimova} and \textit{U. A. Rozikov}, Math. Notes 111, No. 5, 676--687 (2022; Zbl 1494.92092); translation from Mat. Zametki 111, No. 5, 664--675 (2022) Full Text: DOI arXiv
Shitov, Ya. N. A solution to a problem on the spectra of sign pattern matrices. (English. Russian original) Zbl 1480.15037 Math. Notes 110, No. 6, 981 (2021); translation from Mat. Zametki 110, No. 6, 954 (2021). MSC: 15B35 15A15 PDFBibTeX XMLCite \textit{Ya. N. Shitov}, Math. Notes 110, No. 6, 981 (2021; Zbl 1480.15037); translation from Mat. Zametki 110, No. 6, 954 (2021) Full Text: DOI
Ismailov, N. A.; Dzhumadil’daev, A. S. Binary Leibniz algebras. (English. Russian original) Zbl 1503.17006 Math. Notes 110, No. 3, 322-328 (2021); translation from Mat. Zametki 110, No. 3, 336-344 (2021). Reviewer: Sh. A. Ayupov (Tashkent) MSC: 17A32 PDFBibTeX XMLCite \textit{N. A. Ismailov} and \textit{A. S. Dzhumadil'daev}, Math. Notes 110, No. 3, 322--328 (2021; Zbl 1503.17006); translation from Mat. Zametki 110, No. 3, 336--344 (2021) Full Text: DOI
Darvish, Vahid; Nouri, Mojtaba; Razeghi, Mehran Nonlinear triple product \(A^*B + B^*A\) for derivations on \(\ast \)-algebras. (English) Zbl 1451.16037 Math. Notes 108, No. 2, 179-187 (2020). MSC: 16W25 PDFBibTeX XMLCite \textit{V. Darvish} et al., Math. Notes 108, No. 2, 179--187 (2020; Zbl 1451.16037) Full Text: DOI
Arzikulov, F. N.; Umrzaqov, N. M. Local mappings generated by multiplication on rings of matrices. (English) Zbl 1457.16037 Math. Notes 107, No. 6, 887-897 (2020). Reviewer: Wu Jing (Fayetteville) MSC: 16W10 16S50 17C50 15A30 PDFBibTeX XMLCite \textit{F. N. Arzikulov} and \textit{N. M. Umrzaqov}, Math. Notes 107, No. 6, 887--897 (2020; Zbl 1457.16037) Full Text: DOI
Bikchentaev, A. M. Seminorms associated with subadditive weights on \(C^*\)-algebras. (English. Russian original) Zbl 1455.46067 Math. Notes 107, No. 3, 383-391 (2020); translation from Mat. Zametki 107, No. 3, 341-350 (2020). MSC: 46L51 46L10 PDFBibTeX XMLCite \textit{A. M. Bikchentaev}, Math. Notes 107, No. 3, 383--391 (2020; Zbl 1455.46067); translation from Mat. Zametki 107, No. 3, 341--350 (2020) Full Text: DOI
Lou, L. H. Generalized Schur complements involving the Kronecker products of positive semidefinite matrices. (English) Zbl 1443.15015 Math. Notes 107, No. 1, 129-139 (2020). Reviewer: Tin Yau Tam (Reno) MSC: 15A45 15A24 15A09 15A10 15B48 PDFBibTeX XMLCite \textit{L. H. Lou}, Math. Notes 107, No. 1, 129--139 (2020; Zbl 1443.15015) Full Text: DOI
Sidorov, S. V. On the similarity of certain integer matrices with single eigenvalue over the ring of integers. (English. Russian original) Zbl 1426.15049 Math. Notes 105, No. 5, 756-762 (2019); translation from Mat. Zametki 105, No. 5, 763-770 (2019). MSC: 15B36 15A04 15A21 PDFBibTeX XMLCite \textit{S. V. Sidorov}, Math. Notes 105, No. 5, 756--762 (2019; Zbl 1426.15049); translation from Mat. Zametki 105, No. 5, 763--770 (2019) Full Text: DOI
Bikchentaev, Aĭrat M. Trace and differences of idempotents in \(C^\ast\)-algebras. (English. Russian original) Zbl 1441.46038 Math. Notes 105, No. 5, 641-648 (2019); translation from Mat. Zametki 105, No. 5, 647-655 (2019). MSC: 46L05 46L10 46L30 PDFBibTeX XMLCite \textit{A. M. Bikchentaev}, Math. Notes 105, No. 5, 641--648 (2019; Zbl 1441.46038); translation from Mat. Zametki 105, No. 5, 647--655 (2019) Full Text: DOI
Huang, J.; Liu, J.; Chen, A. Symmetry of the quadratic numerical range and spectral inclusion properties of Hamiltonian operator matrices. (English) Zbl 1500.47061 Math. Notes 103, No. 6, 1007-1013 (2018). MSC: 47B93 47A08 47A12 81Q10 PDFBibTeX XMLCite \textit{J. Huang} et al., Math. Notes 103, No. 6, 1007--1013 (2018; Zbl 1500.47061) Full Text: DOI
Ikramov, Kh. D. Checking the congruence between accretive matrices. (English. Russian original) Zbl 1376.65071 Math. Notes 101, No. 6, 969-973 (2017); translation from Mat. Zametki 101, No. 6, 854-859 (2017). Reviewer: Constantin Popa (Constanţa) MSC: 65F30 15A21 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Math. Notes 101, No. 6, 969--973 (2017; Zbl 1376.65071); translation from Mat. Zametki 101, No. 6, 854--859 (2017) Full Text: DOI
Samoilov, L. M. On the primality property of central polynomials of prime varieties of associative algebras. (English. Russian original) Zbl 1353.16023 Math. Notes 99, No. 3, 413-416 (2016); translation from Mat. Zametki 99, No. 3, 404-408 (2016). Reviewer: Plamen Koshlukov (Campinas) MSC: 16R10 16R99 PDFBibTeX XMLCite \textit{L. M. Samoilov}, Math. Notes 99, No. 3, 413--416 (2016; Zbl 1353.16023); translation from Mat. Zametki 99, No. 3, 404--408 (2016) Full Text: DOI
Abdikalykov, A. K.; Ikramov, Kh. D.; Chugunov, Vadim N. A duality relation for unitary automorphisms in the spaces of Toeplitz and Hankel matrices. (English. Russian original) Zbl 1341.15021 Math. Notes 99, No. 1, 3-8 (2016); translation from Mat. Zametki 99, No. 1, 3-10 (2016). MSC: 15B05 15A30 15B10 PDFBibTeX XMLCite \textit{A. K. Abdikalykov} et al., Math. Notes 99, No. 1, 3--8 (2016; Zbl 1341.15021); translation from Mat. Zametki 99, No. 1, 3--10 (2016) Full Text: DOI
Lin, M. On an inequality of Marcus. (English) Zbl 1335.15030 Math. Notes 97, No. 4, 644-646 (2015). Reviewer: Omar Hirzallah (Zarqa) MSC: 15A45 15A42 15A15 15A18 PDFBibTeX XMLCite \textit{M. Lin}, Math. Notes 97, No. 4, 644--646 (2015; Zbl 1335.15030) Full Text: DOI
Bikchentaev, A. M. On normal \(\tau\)-measurable operators affiliated with semifinite von Neumann algebras. (English. Russian original) Zbl 1326.47020 Math. Notes 96, No. 3, 332-341 (2014); translation from Mat. Zametki 96, No. 3, 350-360 (2014). MSC: 47B20 46L10 PDFBibTeX XMLCite \textit{A. M. Bikchentaev}, Math. Notes 96, No. 3, 332--341 (2014; Zbl 1326.47020); translation from Mat. Zametki 96, No. 3, 350--360 (2014) Full Text: DOI
Guterman, A.; Dolinar, G.; Kuz’ma, B. Pólya convertibility problem for symmetric matrices. (English. Russian original) Zbl 1268.15004 Math. Notes 92, No. 5, 624-635 (2012); translation from Mat. Zametki 92, No. 5, 684-698 (2012). Reviewer: Dmitri Artamonov (Moscow) MSC: 15A15 15B57 PDFBibTeX XMLCite \textit{A. Guterman} et al., Math. Notes 92, No. 5, 624--635 (2012; Zbl 1268.15004); translation from Mat. Zametki 92, No. 5, 684--698 (2012) Full Text: DOI
Bikchentaev, A. M. Commutation of projections and trace characterization on von Neumann algebras. II. (English. Russian original) Zbl 1242.46069 Math. Notes 89, No. 4, 461-471 (2011); translation from Mat. Zametki 89, No. 4, 483-494 (2011). Reviewer: Florian-Horia Vasilescu (Villeneuve d’Ascq) MSC: 46L10 46L30 47A63 PDFBibTeX XMLCite \textit{A. M. Bikchentaev}, Math. Notes 89, No. 4, 461--471 (2011; Zbl 1242.46069); translation from Mat. Zametki 89, No. 4, 483--494 (2011) Full Text: DOI
Kulikova, T. Yu. On the quantitative sharpening of a theorem of Birch. (English. Russian original) Zbl 1254.26021 Math. Notes 88, No. 6, 855-859 (2010); translation from Mat. Zametki 88, No. 6, 897-901 (2010). Reviewer: Richard M. Aron (Kent) MSC: 26C10 46G25 46B20 11C08 PDFBibTeX XMLCite \textit{T. Yu. Kulikova}, Math. Notes 88, No. 6, 855--859 (2010; Zbl 1254.26021); translation from Mat. Zametki 88, No. 6, 897--901 (2010) Full Text: DOI
Ikramov, Kh. D. Criteria for unitary congruence of complex \(2 \times 2\) matrices. (English. Russian original) Zbl 1231.15014 Math. Notes 88, No. 2, 228-237 (2010); translation from Mat. Zametki 88, No. 2, 249-260 (2010). Reviewer: Václav Burjan (Praha) MSC: 15A21 15A18 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Math. Notes 88, No. 2, 228--237 (2010; Zbl 1231.15014); translation from Mat. Zametki 88, No. 2, 249--260 (2010) Full Text: DOI
Markova, O. V. On some properties of the length function. (English. Russian original) Zbl 1229.16015 Math. Notes 87, No. 1, 71-78 (2010); translation from Mat. Zametki 87, No. 1, 83-91 (2010). MSC: 16S15 16P10 PDFBibTeX XMLCite \textit{O. V. Markova}, Math. Notes 87, No. 1, 71--78 (2010; Zbl 1229.16015); translation from Mat. Zametki 87, No. 1, 83--91 (2010) Full Text: DOI
Kulikova, T. Yu. A note on null subspaces of odd polynomials. (English. Russian original) Zbl 1246.11076 Math. Notes 86, No. 4, 510-515 (2009); translation from Mat. Zametki 86, No. 4, 543-549 (2009). MSC: 11C08 PDFBibTeX XMLCite \textit{T. Yu. Kulikova}, Math. Notes 86, No. 4, 510--515 (2009; Zbl 1246.11076); translation from Mat. Zametki 86, No. 4, 543--549 (2009) Full Text: DOI
Guterman, A. E. Monotone additive matrix transformations. (English. Russian original) Zbl 1139.15001 Math. Notes 81, No. 5, 609-619 (2007); translation from Mat. Zametki 81, No. 5, 681-692 (2007). Reviewer: Rodica Covaci (Cluj-Napoca) MSC: 15A04 06F20 15B48 15A30 PDFBibTeX XMLCite \textit{A. E. Guterman}, Math. Notes 81, No. 5, 609--619 (2007; Zbl 1139.15001); translation from Mat. Zametki 81, No. 5, 681--692 (2007) Full Text: DOI
Veselova, L. V.; Sukochev, F. A.; Tikhonov, O. E. Interpolation of positive operators. (English. Russian original) Zbl 1130.46047 Math. Notes 81, No. 1, 37-50 (2007); translation from Mat. Zametki 81, No. 1, 43-58 (2006). MSC: 46M35 46B70 46L52 PDFBibTeX XMLCite \textit{L. V. Veselova} et al., Math. Notes 81, No. 1, 37--50 (2007; Zbl 1130.46047); translation from Mat. Zametki 81, No. 1, 43--58 (2006) Full Text: DOI
Ikramov, Kh. D.; Elsner, L. On matrices that admit unitary reduction to band form. (English. Russian original) Zbl 0940.15012 Math. Notes 64, No. 6, 753-760 (1998); translation from Mat. Zametki 64, No. 6, 871-880 (1998). MSC: 15A21 65F10 15B57 PDFBibTeX XMLCite \textit{Kh. D. Ikramov} and \textit{L. Elsner}, Math. Notes 64, No. 6, 753--760 (1998; Zbl 0940.15012); translation from Mat. Zametki 64, No. 6, 871--880 (1998) Full Text: DOI
Ikramov, Kh. D.; Chugunov, V. N. On the skew-symmetric part of the product of Toeplitz matrices. (English. Russian original) Zbl 0919.15009 Math. Notes 63, No. 1, 124-127 (1998); translation from Mat. Zametki 63, No. 1, 138-141 (1998). Reviewer: M.M.Konstantinov (Sofia) MSC: 15B57 PDFBibTeX XMLCite \textit{Kh. D. Ikramov} and \textit{V. N. Chugunov}, Math. Notes 63, No. 1, 124--127 (1998; Zbl 0919.15009); translation from Mat. Zametki 63, No. 1, 138--141 (1998) Full Text: DOI
Èrtel’, S. M. Distance matrices for points on a line, on a circle, and at the vertices of an \(n\)-dimensional cube. (English. Russian original) Zbl 0854.15010 Math. Notes 58, No. 1, 762-769 (1995); translation from Mat. Zametki 58, No. 1, 127-138 (1995). Reviewer: K.Burian (Havířov) MSC: 15B57 15A06 15A09 PDFBibTeX XMLCite \textit{S. M. Èrtel'}, Math. Notes 58, No. 1, 762--769 (1995; Zbl 0854.15010); translation from Mat. Zametki 58, No. 1, 127--138 (1995) Full Text: DOI
Agayan, S. S.; Sarukhanyan, A. G. Recurrence formulas for the construction of Williamson-type matrices. (English) Zbl 0484.05023 Math. Notes 30, 796-804 (1982). MSC: 05B20 PDFBibTeX XMLCite \textit{S. S. Agayan} and \textit{A. G. Sarukhanyan}, Math. Notes 30, 796--804 (1982; Zbl 0484.05023) Full Text: DOI
Makarov, O. M. Dual problems of multiplication of a vector by a matrix. (English. Russian original) Zbl 0486.65029 Math. Notes 30, 817-821 (1982); translation from Mat. Zametki 30, 641-648 (1981). MSC: 65F30 PDFBibTeX XMLCite \textit{O. M. Makarov}, Math. Notes 30, 817--821 (1981; Zbl 0486.65029); translation from Mat. Zametki 30, 641--648 (1981) Full Text: DOI