Ikramov, Kh. D. Involutions and coninvolutions. (Russian. English summary) Zbl 07795447 Sib. Zh. Vychisl. Mat. 26, No. 4, 379-388 (2023). MSC: 15A04 15A21 15A20 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Sib. Zh. Vychisl. Mat. 26, No. 4, 379--388 (2023; Zbl 07795447) Full Text: DOI MNR
Chugunov, V. N.; Ikramov, Kh. D. On a particular solution of the \(\sigma \)-commutation problem \(( \sigma \ne 0, \pm 1)\) for Toeplitz and Hankel matrices. (English. Russian original) Zbl 07786497 Comput. Math. Math. Phys. 63, No. 11, 2038-2049 (2023); translation from Zh. Vychisl. Mat. Mat. 63, No. 11, 1817-1828 (2023). MSC: 15B05 15A24 PDFBibTeX XMLCite \textit{V. N. Chugunov} and \textit{Kh. D. Ikramov}, Comput. Math. Math. Phys. 63, No. 11, 2038--2049 (2023; Zbl 07786497); translation from Zh. Vychisl. Mat. Mat. 63, No. 11, 1817--1828 (2023) Full Text: DOI
Ikramov, Kh. D. Pseudo-commutation classes of complex matrices and their decomplexification. (Russian. English summary) Zbl 1528.15017 Sib. Zh. Vychisl. Mat. 26, No. 2, 199-203 (2023). MSC: 15A30 15A27 15A04 15B57 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Sib. Zh. Vychisl. Mat. 26, No. 2, 199--203 (2023; Zbl 1528.15017) Full Text: DOI MNR
Ikramov, Kh. D. On normal and binormal matrices. (English. Russian original) Zbl 1526.15005 Mosc. Univ. Comput. Math. Cybern. 47, No. 1, 19-22 (2023); translation from Vestn. Mosk. Univ., Ser. XV 2023, No. 1, 28-31 (2023). MSC: 15A12 15A18 15B99 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Mosc. Univ. Comput. Math. Cybern. 47, No. 1, 19--22 (2023; Zbl 1526.15005); translation from Vestn. Mosk. Univ., Ser. XV 2023, No. 1, 28--31 (2023) Full Text: DOI
Ikramov, Kh. D. On a new type of unitoid matrices. (English. Russian original) Zbl 1528.15013 Comput. Math. Math. Phys. 63, No. 6, 929-933 (2023); translation from Zh. Vychisl. Mat. Mat. Fiz. 63, No. 6, 891-895 (2023). MSC: 15A21 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Comput. Math. Math. Phys. 63, No. 6, 929--933 (2023; Zbl 1528.15013); translation from Zh. Vychisl. Mat. Mat. Fiz. 63, No. 6, 891--895 (2023) Full Text: DOI
Ikramov, Kh. D. Congruences and unitary congruences in matrix theory. (English. Russian original) Zbl 1521.15011 J. Math. Sci., New York 272, No. 6, 766-773 (2023); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 175, 19-26 (2020). Reviewer: Clément de Seguins Pazzis (Versailles) MSC: 15A21 15A04 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 272, No. 6, 766--773 (2023; Zbl 1521.15011); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 175, 19--26 (2020) Full Text: DOI
Ikramov, Kh. D. On a nontrivial situation concerning the pseudounitary eigenvalues of a positive definite matrix. (English. Russian original) Zbl 1518.15011 J. Math. Sci., New York 272, No. 4, 519-522 (2023); translation from Zap. Nauchn. Semin. POMI 514, 55-60 (2022). MSC: 15A18 15B48 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 272, No. 4, 519--522 (2023; Zbl 1518.15011); translation from Zap. Nauchn. Semin. POMI 514, 55--60 (2022) Full Text: DOI
Ikramov, Kh. D. On the simultaneous reduction of a pair of unitoid matrices to diagonal form. (English. Russian original) Zbl 1514.15016 Comput. Math. Math. Phys. 63, No. 2, 184-186 (2023); translation from Zh. Vychisl. Mat. Mat. Fiz. 63, No. 2, 227-229 (2023). MSC: 15A20 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Comput. Math. Math. Phys. 63, No. 2, 184--186 (2023; Zbl 1514.15016); translation from Zh. Vychisl. Mat. Mat. Fiz. 63, No. 2, 227--229 (2023) Full Text: DOI
Ikramov, Kh. D.; Nazari, A. M. On the sensitivity of the canonical angles of a unitoid matrix. (Russian. English summary) Zbl 1510.15052 Sib. Zh. Vychisl. Mat. 25, No. 4, 403-408 (2022). MSC: 15B99 15A04 15A20 PDFBibTeX XMLCite \textit{Kh. D. Ikramov} and \textit{A. M. Nazari}, Sib. Zh. Vychisl. Mat. 25, No. 4, 403--408 (2022; Zbl 1510.15052) Full Text: DOI MNR
Ikramov, Kh. D. On matrices whose cosquares are diagonalizable and have real spectra. (Russian. English summary) Zbl 1502.15009 Sib. Zh. Vychisl. Mat. 25, No. 1, 53-57 (2022). MSC: 15A20 15A18 15B57 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Sib. Zh. Vychisl. Mat. 25, No. 1, 53--57 (2022; Zbl 1502.15009) Full Text: DOI MNR
Ikramov, Kh. D. Canonical angles of normal matrices and theorems of the Wielandt-Hoffman and J.-g. Sun type. (English. Russian original) Zbl 1500.15007 Comput. Math. Math. Phys. 62, No. 10, 1586-1589 (2022); translation from Zh. Vychisl. Mat. Mat. Fiz. 62, No. 10, 1615-1619 (2022). MSC: 15A18 47A55 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Comput. Math. Math. Phys. 62, No. 10, 1586--1589 (2022; Zbl 1500.15007); translation from Zh. Vychisl. Mat. Mat. Fiz. 62, No. 10, 1615--1619 (2022) Full Text: DOI
Ikramov, Kh. D.; Chugunov, V. N. Diagonalizable matrices as a result of rank-one perturbations of nilpotent matrices. (English. Russian original) Zbl 1497.15012 Mosc. Univ. Comput. Math. Cybern. 46, No. 2, 76-80 (2022); translation from Vestn. Mosk. Univ., Ser. XV 2022, No. 2, 17-21 (2022). MSC: 15A20 15A18 PDFBibTeX XMLCite \textit{Kh. D. Ikramov} and \textit{V. N. Chugunov}, Mosc. Univ. Comput. Math. Cybern. 46, No. 2, 76--80 (2022; Zbl 1497.15012); translation from Vestn. Mosk. Univ., Ser. XV 2022, No. 2, 17--21 (2022) Full Text: DOI
Ikramov, Kh. D.; Nazari, A. M. Symplectic eigenvalues and singular values of symmetric matrices. (English. Russian original) Zbl 1491.15015 J. Math. Sci., New York 262, No. 1, 36-41 (2022); translation from Zap. Nauchn. Semin. POMI 504, 61-69 (2021). MSC: 15A18 PDFBibTeX XMLCite \textit{Kh. D. Ikramov} and \textit{A. M. Nazari}, J. Math. Sci., New York 262, No. 1, 36--41 (2022; Zbl 1491.15015); translation from Zap. Nauchn. Semin. POMI 504, 61--69 (2021) Full Text: DOI
Ikramov, Kh. D. Special congruences of symmetric and Hermitian matrices and their invariants. (English. Russian original) Zbl 1489.15050 J. Math. Sci., New York 262, No. 1, 32-35 (2022); translation from Zap. Nauchn. Semin. POMI 504, 54-60 (2021). MSC: 15B57 15A72 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 262, No. 1, 32--35 (2022; Zbl 1489.15050); translation from Zap. Nauchn. Semin. POMI 504, 54--60 (2021) Full Text: DOI
Ikramov, Kh. D. Matrices with pairwise orthogonal rows and columns. (English. Russian original) Zbl 1491.15043 J. Math. Sci., New York 262, No. 1, 27-31 (2022); translation from Zap. Nauchn. Semin. POMI 504, 47-53 (2021). MSC: 15B99 15A20 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 262, No. 1, 27--31 (2022; Zbl 1491.15043); translation from Zap. Nauchn. Semin. POMI 504, 47--53 (2021) Full Text: DOI
Ikramov, Kh. D. An unusual criterion for normality of nonsingular matrices. (English. Russian original) Zbl 1491.15005 Mosc. Univ. Comput. Math. Cybern. 46, No. 1, 8-11 (2022); translation from Vestn. Mosk. Univ., Ser. XV 2022, No. 1, 9-12 (2022). MSC: 15A04 15A21 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Mosc. Univ. Comput. Math. Cybern. 46, No. 1, 8--11 (2022; Zbl 1491.15005); translation from Vestn. Mosk. Univ., Ser. XV 2022, No. 1, 9--12 (2022) Full Text: DOI
Ikramov, Kh. D. On the congruence centralizers of a block diagonal matrix and the Horn-Sergeichuk matrix. (English. Russian original) Zbl 1485.15014 Comput. Math. Math. Phys. 62, No. 2, 198-200 (2022); translation from Zh. Vychisl. Mat. Mat. Fiz. 62, No. 2, 196-198 (2022). MSC: 15A21 15A20 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Comput. Math. Math. Phys. 62, No. 2, 198--200 (2022; Zbl 1485.15014); translation from Zh. Vychisl. Mat. Mat. Fiz. 62, No. 2, 196--198 (2022) Full Text: DOI
Ikramov, Kh. D. Spectral peculiarities of products of special matrices. (English. Russian original) Zbl 1484.15041 Mosc. Univ. Comput. Math. Cybern. 45, No. 4, 148-151 (2021); translation from Vestn. Mosk. Univ., Ser. XV 2021, No. 4, 17-20 (2021). MSC: 15B57 15A20 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Mosc. Univ. Comput. Math. Cybern. 45, No. 4, 148--151 (2021; Zbl 1484.15041); translation from Vestn. Mosk. Univ., Ser. XV 2021, No. 4, 17--20 (2021) Full Text: DOI
Ikramov, Khakim D. On the set of matrices having \(J_n(1)\) as the cosquare. (English. Russian original) Zbl 1479.15006 Comput. Math. Math. Phys. 61, No. 11, 1743-1749 (2021); translation from Zh. Vychisl. Mat. Mat. Fiz. 61, No. 11, 1779-1785 (2021). MSC: 15A21 15A24 PDFBibTeX XMLCite \textit{K. D. Ikramov}, Comput. Math. Math. Phys. 61, No. 11, 1743--1749 (2021; Zbl 1479.15006); translation from Zh. Vychisl. Mat. Mat. Fiz. 61, No. 11, 1779--1785 (2021) Full Text: DOI
Ikramov, Kh. D. On matrices having \(J_m(1)\oplus J_m(1)\) as their cosquare. (English. Russian original) Zbl 1475.15014 Math. Notes 110, No. 1, 72-79 (2021); translation from Mat. Zametki 110, No. 1, 65-74 (2021). Reviewer: John D. Dixon (Ottawa) MSC: 15A21 15A20 15A18 15A10 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Math. Notes 110, No. 1, 72--79 (2021; Zbl 1475.15014); translation from Mat. Zametki 110, No. 1, 65--74 (2021) Full Text: DOI
Ikramov, Kh. D. A criterion of the congruence of nonsingular matrices from the group-theoretic viewpoint. (English. Russian original) Zbl 1465.15016 Mosc. Univ. Comput. Math. Cybern. 45, No. 1, 12-15 (2021); translation from Vestn. Mosk. Univ., Ser. XV 2021, No. 1, 15-18 (2021). MSC: 15A21 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Mosc. Univ. Comput. Math. Cybern. 45, No. 1, 12--15 (2021; Zbl 1465.15016); translation from Vestn. Mosk. Univ., Ser. XV 2021, No. 1, 15--18 (2021) Full Text: DOI
Ikramov, Kh. D. Specific features of cosquares of special matrices in indefinite metric spaces. (English. Russian original) Zbl 1465.15010 J. Math. Sci., New York 255, No. 3, 279-280 (2021); translation from Zap. Nauchn. Semin. POMI 496, 101-103 (2020). MSC: 15A16 15B57 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 255, No. 3, 279--280 (2021; Zbl 1465.15010); translation from Zap. Nauchn. Semin. POMI 496, 101--103 (2020) Full Text: DOI
Ikramov, Kh. D. The structure of solutions of the matrix equation \(J_n(0)y + Y^\top J_n(0) = 0\) for even \(n\). (English. Russian original) Zbl 1465.15021 J. Math. Sci., New York 255, No. 3, 277-278 (2021); translation from Zap. Nauchn. Semin. POMI 496, 97-100 (2020). MSC: 15A24 15B05 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 255, No. 3, 277--278 (2021; Zbl 1465.15021); translation from Zap. Nauchn. Semin. POMI 496, 97--100 (2020) Full Text: DOI
Ikramov, Kh. D. Congruence of unitary matrices. (English. Russian original) Zbl 1465.15006 J. Math. Sci., New York 255, No. 3, 275-276 (2021); translation from Zap. Nauchn. Semin. POMI 496, 94-96 (2020). MSC: 15A04 15A21 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 255, No. 3, 275--276 (2021; Zbl 1465.15006); translation from Zap. Nauchn. Semin. POMI 496, 94--96 (2020) Full Text: DOI
Ikramov, Kh. D. Checking the congruence of involutive matrices. (English. Russian original) Zbl 1465.15005 J. Math. Sci., New York 255, No. 3, 271-274 (2021); translation from Zap. Nauchn. Semin. POMI 496, 87-93 (2020). MSC: 15A04 15A21 15A20 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 255, No. 3, 271--274 (2021; Zbl 1465.15005); translation from Zap. Nauchn. Semin. POMI 496, 87--93 (2020) Full Text: DOI
Ikramov, Kh. D. On the calculation of the \(T\)-congruence centralizer. (English. Russian original) Zbl 1464.15023 Comput. Math. Math. Phys. 61, No. 3, 347-350 (2021); translation from Zh. Vychisl. Mat. Mat. Fiz. 61, No. 3, 369-372 (2021). MSC: 15A24 65F45 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Comput. Math. Math. Phys. 61, No. 3, 347--350 (2021; Zbl 1464.15023); translation from Zh. Vychisl. Mat. Mat. Fiz. 61, No. 3, 369--372 (2021) Full Text: DOI
Ikramov, Kh. D. On the dimension of the congruence centralizer. (English. Russian original) Zbl 1477.15005 Dokl. Math. 102, No. 1, 276-278 (2020); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 493, 18-20 (2020). MSC: 15A21 15A04 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Dokl. Math. 102, No. 1, 276--278 (2020; Zbl 1477.15005); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 493, 18--20 (2020) Full Text: DOI
Ikramov, Kh. D.; Usov, V. A. An algorithm verifying the congruence of complex matrices whose cosquares have eigenvalues of modulus one. (English. Russian original) Zbl 1464.15020 Mosc. Univ. Comput. Math. Cybern. 44, No. 4, 176-184 (2020); translation from Vestn. Mosk. Univ., Ser. XV 2020, No. 4, 18-26 (2020). MSC: 15A21 15A04 PDFBibTeX XMLCite \textit{Kh. D. Ikramov} and \textit{V. A. Usov}, Mosc. Univ. Comput. Math. Cybern. 44, No. 4, 176--184 (2020; Zbl 1464.15020); translation from Vestn. Mosk. Univ., Ser. XV 2020, No. 4, 18--26 (2020) Full Text: DOI
Ikramov, Kh. D. On the Toeplitz and polar decompositions of an involutive matrix. (English. Russian original) Zbl 1456.15012 Mosc. Univ. Comput. Math. Cybern. 44, No. 2, 69-72 (2020); translation from Vestn. Mosk. Univ., Ser. XV 2020, No. 2, 19-22 (2020). Reviewer: Erich W. Ellers (Toronto) MSC: 15A23 15A18 15B05 15B57 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Mosc. Univ. Comput. Math. Cybern. 44, No. 2, 69--72 (2020; Zbl 1456.15012); translation from Vestn. Mosk. Univ., Ser. XV 2020, No. 2, 19--22 (2020) Full Text: DOI
Ikramov, Kh. D.; Nazari, A. M. A heuristic rational algorithm for checking the congruence of normal matrices. (English. Russian original) Zbl 1470.65086 Comput. Math. Math. Phys. 60, No. 10, 1601-1608 (2020); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 10, 1656-1663 (2020). MSC: 65F99 15B05 15B57 PDFBibTeX XMLCite \textit{Kh. D. Ikramov} and \textit{A. M. Nazari}, Comput. Math. Math. Phys. 60, No. 10, 1601--1608 (2020; Zbl 1470.65086); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 10, 1656--1663 (2020) Full Text: DOI
Ikramov, Kh. D. Congruence criteria for normal and conjugate-normal matrices. (English. Russian original) Zbl 1448.15005 J. Math. Sci., New York 249, No. 2, 195-198 (2020); translation from Zap. Nauchn. Semin. POMI 482, 129-134 (2019). MSC: 15A04 15A21 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 249, No. 2, 195--198 (2020; Zbl 1448.15005); translation from Zap. Nauchn. Semin. POMI 482, 129--134 (2019) Full Text: DOI
Ikramov, Kh. D. Rationally verifiable necessary conditions for Hermitian congruence of complex matrices. (English. Russian original) Zbl 1450.15013 J. Math. Sci., New York 249, No. 2, 189-194 (2020); translation from Zap. Nauchn. Semin. POMI 482, 120-128 (2019). MSC: 15A21 65F99 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 249, No. 2, 189--194 (2020; Zbl 1450.15013); translation from Zap. Nauchn. Semin. POMI 482, 120--128 (2019) Full Text: DOI
Ikramov, Kh. D. An attempt of spectral theory for \(\ast \)-congruence transformations. (English. Russian original) Zbl 1450.15012 J. Math. Sci., New York 249, No. 2, 185-188 (2020); translation from Zap. Nauchn. Semin. POMI 482, 114-119 (2019). Reviewer: Ömer Gök (Istanbul) MSC: 15A21 15A18 47B40 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 249, No. 2, 185--188 (2020; Zbl 1450.15012); translation from Zap. Nauchn. Semin. POMI 482, 114--119 (2019) Full Text: DOI
Abdikalykov, A. K.; Ikramov, Kh. D. Similarity automorphisms of the space of Hankel matrices. (English. Russian original) Zbl 1448.15037 J. Math. Sci., New York 249, No. 2, 113-117 (2020); translation from Zap. Nauchn. Semin. POMI 482, 5-12 (2019). MSC: 15B05 15A18 PDFBibTeX XMLCite \textit{A. K. Abdikalykov} and \textit{Kh. D. Ikramov}, J. Math. Sci., New York 249, No. 2, 113--117 (2020; Zbl 1448.15037); translation from Zap. Nauchn. Semin. POMI 482, 5--12 (2019) Full Text: DOI
Ikramov, Kh. D. Square roots of Hermitian matrices and a rational algorithm for checking their congruence. (English. Russian original) Zbl 1428.15036 Mosc. Univ. Comput. Math. Cybern. 43, No. 3, 95-100 (2019); translation from Vestn. Mosk. Univ., Ser. XV 2019, No. 3, 11-16 (2019). MSC: 15B57 15A21 15A16 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Mosc. Univ. Comput. Math. Cybern. 43, No. 3, 95--100 (2019; Zbl 1428.15036); translation from Vestn. Mosk. Univ., Ser. XV 2019, No. 3, 11--16 (2019) Full Text: DOI
Ikramov, Kh. D. Certain localization regions for the eigenvalues of a normal matrix. (English. Russian original) Zbl 1433.65051 Comput. Math. Math. Phys. 59, No. 8, 1233-1235 (2019); translation from Zh. Vychisl. Mat. Mat. Fiz. 59, No. 8, 1296-1298 (2019). MSC: 65F15 15A18 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Comput. Math. Math. Phys. 59, No. 8, 1233--1235 (2019; Zbl 1433.65051); translation from Zh. Vychisl. Mat. Mat. Fiz. 59, No. 8, 1296--1298 (2019) Full Text: DOI
Ikramov, Kh. D. On a finite algorithm for computing neutral subspaces of skew-symmetric matrices. (English. Russian original) Zbl 1432.65054 J. Math. Sci., New York 240, No. 6, 769-771 (2019); translation from Zap. Nauchn. Semin. POMI 472, 98-102 (2018). MSC: 65F99 15B57 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 240, No. 6, 769--771 (2019; Zbl 1432.65054); translation from Zap. Nauchn. Semin. POMI 472, 98--102 (2018) Full Text: DOI
Ikramov, Kh. D. Pseudo-orthogonal eigenvalues of skew-symmetric matrices. (English. Russian original) Zbl 1426.15007 J. Math. Sci., New York 240, No. 6, 765-768 (2019); translation from Zap. Nauchn. Semin. POMI 472, 92-97 (2018). MSC: 15A18 15B57 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 240, No. 6, 765--768 (2019; Zbl 1426.15007); translation from Zap. Nauchn. Semin. POMI 472, 92--97 (2018) Full Text: DOI
Ikramov, Kh. D. A rational criterion for congruence of square matrices. (English. Russian original) Zbl 1426.15014 J. Math. Sci., New York 240, No. 6, 762-764 (2019); translation from Zap. Nauchn. Semin. POMI 472, 88-91 (2018). MSC: 15A21 15A22 15A23 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 240, No. 6, 762--764 (2019; Zbl 1426.15014); translation from Zap. Nauchn. Semin. POMI 472, 88--91 (2018) Full Text: DOI
Abdikalykov, A. K.; Ikramov, Kh. D. Similarity and consimilarity automorphisms of the space of Toeplitz matrices. (English. Russian original) Zbl 1426.15039 J. Math. Sci., New York 240, No. 6, 707-714 (2019); translation from Zap. Nauchn. Semin. POMI 472, 5-16 (2018). MSC: 15B05 PDFBibTeX XMLCite \textit{A. K. Abdikalykov} and \textit{Kh. D. Ikramov}, J. Math. Sci., New York 240, No. 6, 707--714 (2019; Zbl 1426.15039); translation from Zap. Nauchn. Semin. POMI 472, 5--16 (2018) Full Text: DOI
Ikramov, Khakim D. On the bisection method for normal matrices. (English. Russian original) Zbl 07082264 Dokl. Math. 99, No. 2, 211-213 (2019); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 485, No. 6, 659-661 (2019). MSC: 65-XX 15-XX PDFBibTeX XMLCite \textit{K. D. Ikramov}, Dokl. Math. 99, No. 2, 211--213 (2019; Zbl 07082264); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 485, No. 6, 659--661 (2019) Full Text: DOI
Ikramov, Kh. D. On the congruent selection of Jordan blocks from a singular square matrix. (Russian, English) Zbl 1413.15018 Sib. Zh. Vychisl. Mat. 21, No. 3, 255-258 (2018); translation in Numer. Analysis Appl. 11, No. 3, 204-207 (2018). MSC: 15A21 65F30 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Sib. Zh. Vychisl. Mat. 21, No. 3, 255--258 (2018; Zbl 1413.15018); translation in Numer. Analysis Appl. 11, No. 3, 204--207 (2018) Full Text: DOI
Ikramov, Kh. D. On the parameters of the singular part of the Horn-Sergeichuk regularizing decomposition. (English. Russian original) Zbl 1453.15004 Dokl. Math. 98, No. 1, 301-303 (2018); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 481, No. 1, 7-9 (2018). MSC: 15A20 15A21 15A04 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Dokl. Math. 98, No. 1, 301--303 (2018; Zbl 1453.15004); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 481, No. 1, 7--9 (2018) Full Text: DOI
Ikramov, Kh. D. Solving systems of linear equations with normal coefficient matrices and the degree of the minimal polyanalytic polynomial. (English. Russian original) Zbl 1404.15005 Math. Notes 104, No. 1, 48-52 (2018); translation from Mat. Zametki 104, No. 1, 56-61 (2018). Reviewer: Kanakadurga Sivakumar (Chennai) MSC: 15A06 15B57 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Math. Notes 104, No. 1, 48--52 (2018; Zbl 1404.15005); translation from Mat. Zametki 104, No. 1, 56--61 (2018) Full Text: DOI
Ikramov, Kh. D.; Vorontsov, Yu. O. Numerical solution of a semilinear matrix equation of the Stein type in the normal case. (English. Russian original) Zbl 1397.65062 Mosc. Univ. Comput. Math. Cybern. 42, No. 2, 51-54 (2018); translation from Vestn. Mosk. Univ., Ser. XV 2018, No. 2, 3-6 (2018). MSC: 65F30 15A24 PDFBibTeX XMLCite \textit{Kh. D. Ikramov} and \textit{Yu. O. Vorontsov}, Mosc. Univ. Comput. Math. Cybern. 42, No. 2, 51--54 (2018; Zbl 1397.65062); translation from Vestn. Mosk. Univ., Ser. XV 2018, No. 2, 3--6 (2018) Full Text: DOI
Ikramov, Kh. D. On the symplectic eigenvalues of positive definite matrices. (English. Russian original) Zbl 1397.15007 Mosc. Univ. Comput. Math. Cybern. 42, No. 1, 1-4 (2018); translation from Vestn. Mosk. Univ., Ser. XV 2018, No. 1, 3-6 (2018). MSC: 15A18 15A23 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Mosc. Univ. Comput. Math. Cybern. 42, No. 1, 1--4 (2018; Zbl 1397.15007); translation from Vestn. Mosk. Univ., Ser. XV 2018, No. 1, 3--6 (2018) Full Text: DOI
Ikramov, Kh. D.; Chugunov, V. N. Description of pairs of anti-commuting Toeplitz and Hankel matrices. (English. Russian original) Zbl 1394.15019 J. Math. Sci., New York 232, No. 6, 848-891 (2018); translation from Zap. Nauchn. Semin. POMI 463, 160-223 (2017). MSC: 15B05 15A27 PDFBibTeX XMLCite \textit{Kh. D. Ikramov} and \textit{V. N. Chugunov}, J. Math. Sci., New York 232, No. 6, 848--891 (2018; Zbl 1394.15019); translation from Zap. Nauchn. Semin. POMI 463, 160--223 (2017) Full Text: DOI
Ikramov, Kh. D. The minimal and characteristic polyanalytic polynomials of a normal matrix. (English. Russian original) Zbl 1395.15006 J. Math. Sci., New York 232, No. 6, 844-847 (2018); translation from Zap. Nauchn. Semin. POMI 463, 154-159 (2017). MSC: 15A15 15A18 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 232, No. 6, 844--847 (2018; Zbl 1395.15006); translation from Zap. Nauchn. Semin. POMI 463, 154--159 (2017) Full Text: DOI
Ikramov, Kh. D. The CMV matrix and the generalized Lanczos process. (English. Russian original) Zbl 1394.15006 J. Math. Sci., New York 232, No. 6, 837-843 (2018); translation from Zap. Nauchn. Semin. POMI 463, 142-153 (2017). MSC: 15A18 47B36 42C05 30C15 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 232, No. 6, 837--843 (2018; Zbl 1394.15006); translation from Zap. Nauchn. Semin. POMI 463, 142--153 (2017) Full Text: DOI
Ikramov, Kh. D. Binormal matrices. (English. Russian original) Zbl 1394.15010 J. Math. Sci., New York 232, No. 6, 830-836 (2018); translation from Zap. Nauchn. Semin. POMI 463, 132-141 (2017). MSC: 15A27 15B99 15A60 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 232, No. 6, 830--836 (2018; Zbl 1394.15010); translation from Zap. Nauchn. Semin. POMI 463, 132--141 (2017) Full Text: DOI
Chugunov, V. N.; Ikramov, Kh. D. A description of pairs of quasi-commuting Toeplitz and Hankel matrices. (Russian, English) Zbl 1399.15038 Sib. Zh. Vychisl. Mat. 20, No. 4, 439-444 (2017); translation in Numer. Analysis Appl. 10, No. 4, 358-361 (2017). MSC: 15B05 PDFBibTeX XMLCite \textit{V. N. Chugunov} and \textit{Kh. D. Ikramov}, Sib. Zh. Vychisl. Mat. 20, No. 4, 439--444 (2017; Zbl 1399.15038); translation in Numer. Analysis Appl. 10, No. 4, 358--361 (2017) Full Text: DOI
Ikramov, Kh. D.; Vorontsov, Yu. O. Numerical solution of Sylvester matrix equations with normal coefficients. (English. Russian original) Zbl 1383.65036 Mosc. Univ. Comput. Math. Cybern. 41, No. 4, 153-156 (2017); translation from Vestn. Mosk. Univ., Ser. XV 2017, No. 4, 3-6 (2017). MSC: 65F30 15A24 PDFBibTeX XMLCite \textit{Kh. D. Ikramov} and \textit{Yu. O. Vorontsov}, Mosc. Univ. Comput. Math. Cybern. 41, No. 4, 153--156 (2017; Zbl 1383.65036); translation from Vestn. Mosk. Univ., Ser. XV 2017, No. 4, 3--6 (2017) Full Text: DOI
Chugunov, V. N.; Ikramov, Kh. D. Classifying anti-commuting pairs of Toeplitz and Hankel matrices. (English. Russian original) Zbl 1381.15023 Dokl. Math. 96, No. 2, 468-471 (2017); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 476, No. 3, 272-275 (2017). MSC: 15B05 15A27 PDFBibTeX XMLCite \textit{V. N. Chugunov} and \textit{Kh. D. Ikramov}, Dokl. Math. 96, No. 2, 468--471 (2017; Zbl 1381.15023); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 476, No. 3, 272--275 (2017) Full Text: DOI
Ikramov, Kh. D. The congruent centralizer of the Horn-Sergeichuk matrix. (English. Russian original) Zbl 1378.15008 J. Math. Sci., New York 224, No. 6, 883-889 (2017); translation from Zap. Nauchn. Semin. POMI 453, 104-113 (2016). Reviewer: Rabe von Randow (Bonn) MSC: 15A24 15A21 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 224, No. 6, 883--889 (2017; Zbl 1378.15008); translation from Zap. Nauchn. Semin. POMI 453, 104--113 (2016) Full Text: DOI
Ikramov, Kh. D. The congruent centralizer of a block diagonal matrix. (English. Russian original) Zbl 1410.15024 J. Math. Sci., New York 224, No. 6, 877-882 (2017); translation from Zap. Nauchn. Semin. POMI 453, 96-103 (2016). Reviewer: Qing-Wen Wang (Shanghai) MSC: 15A21 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 224, No. 6, 877--882 (2017; Zbl 1410.15024); translation from Zap. Nauchn. Semin. POMI 453, 96--103 (2016) Full Text: DOI
Ikramov, Kh. D. The congruent centralizer of the Jordan block. (English. Russian original) Zbl 1378.15007 J. Math. Sci., New York 224, No. 6, 869-876 (2017); translation from Zap. Nauchn. Semin. POMI 453, 85-95 (2016). Reviewer: Rabe von Randow (Bonn) MSC: 15A21 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 224, No. 6, 869--876 (2017; Zbl 1378.15007); translation from Zap. Nauchn. Semin. POMI 453, 85--95 (2016) Full Text: DOI
Ikramov, Kh. D. Decompositions of pseudo-unitary and centro-unitary matrices. (English. Russian original) Zbl 1378.15019 J. Math. Sci., New York 224, No. 6, 861-868 (2017); translation from Zap. Nauchn. Semin. POMI 453, 74-84 (2016). Reviewer: Rabe von Randow (Bonn) MSC: 15B10 15B57 15A30 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 224, No. 6, 861--868 (2017; Zbl 1378.15019); translation from Zap. Nauchn. Semin. POMI 453, 74--84 (2016) 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
Ikramov, Kh. D. On the calculation of neutral subspaces of a matrix. (English. Russian original) Zbl 1369.15009 Mosc. Univ. Comput. Math. Cybern. 41, No. 1, 11-13 (2017); translation from Vestn. Mosk. Univ., Ser. XV 2017, No. 1, 13-15 (2017). MSC: 15A24 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Mosc. Univ. Comput. Math. Cybern. 41, No. 1, 11--13 (2017; Zbl 1369.15009); translation from Vestn. Mosk. Univ., Ser. XV 2017, No. 1, 13--15 (2017) Full Text: DOI
Ikramov, Kh. D. Non-Hermitian matrices of even order and neutral subspaces of half the dimension. (English. Russian original) Zbl 1361.15017 Math. Notes 100, No. 5, 720-723 (2016); translation from Mat. Zametki 100, No. 5, 739-743 (2016). MSC: 15A24 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Math. Notes 100, No. 5, 720--723 (2016; Zbl 1361.15017); translation from Mat. Zametki 100, No. 5, 739--743 (2016) Full Text: DOI
Ikramov, Kh. D. An analysis of the matrix equation \(AX + =\overline{X}B = C\). (English. Russian original) Zbl 1361.15016 Comput. Math. Math. Phys. 56, No. 9, 1536-1539 (2016); translation from Zh. Vychisl. Mat. Mat. Fiz. 56, No. 9, 1556-1559 (2016). MSC: 15A24 65F30 15B57 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Comput. Math. Math. Phys. 56, No. 9, 1536--1539 (2016; Zbl 1361.15016); translation from Zh. Vychisl. Mat. Mat. Fiz. 56, No. 9, 1556--1559 (2016) Full Text: DOI
Chugunov, V. N.; Ikramov, Kh. D. Classification of real pairs of commuting Toeplitz and Hankel matrices. (Russian, English) Zbl 1374.15043 Sib. Zh. Vychisl. Mat. 19, No. 4, 457-467 (2016); translation in Numer. Analysis Appl. 9, No. 4, 359-368 (2016). MSC: 15B05 15A27 PDFBibTeX XMLCite \textit{V. N. Chugunov} and \textit{Kh. D. Ikramov}, Sib. Zh. Vychisl. Mat. 19, No. 4, 457--467 (2016; Zbl 1374.15043); translation in Numer. Analysis Appl. 9, No. 4, 359--368 (2016) Full Text: DOI
Ikramov, Kh. D. A finite rational algorithm that verifies the diagonalizability of a square matrix by congruence. (English. Russian original) Zbl 1347.65077 Mosc. Univ. Comput. Math. Cybern. 40, No. 2, 53-56 (2016); translation from Vestn. Mosk. Univ., Ser. XV 2016, No. 2, 3-5 (2016). MSC: 65F30 15A21 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Mosc. Univ. Comput. Math. Cybern. 40, No. 2, 53--56 (2016; Zbl 1347.65077); translation from Vestn. Mosk. Univ., Ser. XV 2016, No. 2, 3--5 (2016) Full Text: DOI
Ikramov, Kh. D. Isolation of the regular part of a singular matrix pencil as a rational algorithm. (English. Russian original) Zbl 1347.65076 J. Math. Sci., New York 216, No. 6, 792-794 (2016); translation from Zap. Nauchn. Semin. POMI 439, 107-111 (2015). MSC: 65F30 15A22 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 216, No. 6, 792--794 (2016; Zbl 1347.65076); translation from Zap. Nauchn. Semin. POMI 439, 107--111 (2015) Full Text: DOI
Ikramov, Kh. D. How to check whether given square matrices are congruent. (English. Russian original) Zbl 1347.15016 J. Math. Sci., New York 216, No. 6, 787-791 (2016); translation from Zap. Nauchn. Semin. POMI 439, 99-106 (2015). MSC: 15A21 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 216, No. 6, 787--791 (2016; Zbl 1347.15016); translation from Zap. Nauchn. Semin. POMI 439, 99--106 (2015) Full Text: DOI
Ikramov, Kh. D. Neutral subspaces of complex matrices. (English. Russian original) Zbl 1347.15020 J. Math. Sci., New York 216, No. 6, 783-786 (2016); translation from Zap. Nauchn. Semin. POMI 439, 93-98 (2015). MSC: 15A24 15A03 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 216, No. 6, 783--786 (2016; Zbl 1347.15020); translation from Zap. Nauchn. Semin. POMI 439, 93--98 (2015) Full Text: DOI
Abdikalykov, A. K.; Ikramov, Kh. D. On the eigenvalues of certain classes of normal \((T + H)\)-matrices. (English. Russian original) Zbl 1350.15016 J. Math. Sci., New York 216, No. 6, 725-729 (2016); translation from Zap. Nauchn. Semin. POMI 439, 5-12 (2015). MSC: 15B05 15A18 65F15 PDFBibTeX XMLCite \textit{A. K. Abdikalykov} and \textit{Kh. D. Ikramov}, J. Math. Sci., New York 216, No. 6, 725--729 (2016; Zbl 1350.15016); translation from Zap. Nauchn. Semin. POMI 439, 5--12 (2015) Full Text: DOI
Ikramov, Kh. D.; Chugunov, Vadim N. On conditions for permutability of Toeplitz and Hankel matrices. (English. Russian original) Zbl 1343.15017 Comput. Math. Math. Phys. 56, No. 3, 354-357 (2016); translation from Zh. Vychisl. Mat. Mat. Fiz. 56, No. 3, 363-367 (2016). Reviewer: Andreas Arvanitoyeorgos (Patras) MSC: 15B05 15A27 PDFBibTeX XMLCite \textit{Kh. D. Ikramov} and \textit{V. N. Chugunov}, Comput. Math. Math. Phys. 56, No. 3, 354--357 (2016; Zbl 1343.15017); translation from Zh. Vychisl. Mat. Mat. Fiz. 56, No. 3, 363--367 (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
Ikramov, Kh. D. Normality conditions for semilinear matrix operators of the Stein type. (Russian, English) Zbl 1349.65142 Sib. Zh. Vychisl. Mat. 18, No. 4, 369-375 (2015); translation in Numer. Analysis Appl. 8, No. 4, 299-303 (2015). MSC: 65F30 15A24 65F20 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Sib. Zh. Vychisl. Mat. 18, No. 4, 369--375 (2015; Zbl 1349.65142); translation in Numer. Analysis Appl. 8, No. 4, 299--303 (2015) Full Text: DOI
Abdikalykov, A. K.; Chugunov, V. N.; Ikramov, Kh. D. Unitary automorphisms of the space of \((T+H)\)-matrices of order four. (English. Russian original) Zbl 1334.15070 Mosc. Univ. Comput. Math. Cybern. 39, No. 4, 153-156 (2015); translation from Vestn. Mosk. Univ., Ser. XV 2015, No. 4, 3-6 (2015). MSC: 15B05 PDFBibTeX XMLCite \textit{A. K. Abdikalykov} et al., Mosc. Univ. Comput. Math. Cybern. 39, No. 4, 153--156 (2015; Zbl 1334.15070); translation from Vestn. Mosk. Univ., Ser. XV 2015, No. 4, 3--6 (2015) Full Text: DOI
Ikramov, Kh. D.; Abdikalykov, A. K.; Chugunov, V. N. Unitary similarity automorphisms of the space of \(3 \times 3\) Toeplitz-plus-Hankel matrices. (English. Russian original) Zbl 1332.15029 J. Math. Sci., New York 207, No. 5, 756-766 (2015); translation from Zap. Nauchn. Semin. POMI 428, 137-151 (2014). MSC: 15A21 15B05 15A30 15A04 15B10 20H99 PDFBibTeX XMLCite \textit{Kh. D. Ikramov} et al., J. Math. Sci., New York 207, No. 5, 756--766 (2015; Zbl 1332.15029); translation from Zap. Nauchn. Semin. POMI 428, 137--151 (2014) Full Text: DOI
Ikramov, Kh. D. On the spectral decomposition of a special class of Hankel matrices. (English. Russian original) Zbl 1332.15061 J. Math. Sci., New York 207, No. 5, 753-755 (2015); translation from Zap. Nauchn. Semin. POMI 428, 132-136 (2014). MSC: 15B05 15A18 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, J. Math. Sci., New York 207, No. 5, 753--755 (2015; Zbl 1332.15061); translation from Zap. Nauchn. Semin. POMI 428, 132--136 (2014) Full Text: DOI
Chugunov, V. N.; Ikramov, Kh. D. Classifying pairs of commuting Toeplitz and Hankel matrices. (English. Russian original) Zbl 1334.15073 Dokl. Math. 92, No. 2, 577-580 (2015); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 464, No. 4, 406-410 (2015). MSC: 15B05 PDFBibTeX XMLCite \textit{V. N. Chugunov} and \textit{Kh. D. Ikramov}, Dokl. Math. 92, No. 2, 577--580 (2015; Zbl 1334.15073); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 464, No. 4, 406--410 (2015) Full Text: DOI
Ikramov, Kh. D. Normality conditions for the matrix operator \(X\to AX+X^\ast B\). (English) Zbl 1329.15041 Calcolo 52, No. 4, 495-502 (2015). MSC: 15A24 15B57 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Calcolo 52, No. 4, 495--502 (2015; Zbl 1329.15041) Full Text: DOI
Ikramov, Kh. D. On the eigenvectors of Toeplitz matrices. (English. Russian original) Zbl 1327.15062 Mosc. Univ. Comput. Math. Cybern. 39, No. 2, 72-75 (2015); translation from Vestn. Mosk. Univ., Ser. XV 2015, No. 2, 25-28 (2015). MSC: 15B05 15A18 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Mosc. Univ. Comput. Math. Cybern. 39, No. 2, 72--75 (2015; Zbl 1327.15062); translation from Vestn. Mosk. Univ., Ser. XV 2015, No. 2, 25--28 (2015) Full Text: DOI
Ikramov, Kh. D. Unitary automorphisms of the space of Hankel matrices. II: The case of even order. (English. Russian original) Zbl 1391.15096 Math. Notes 98, No. 1, 90-97 (2015); translation from Mat. Zametki 98, No. 1, 76-84 (2015). MSC: 15B05 15A21 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Math. Notes 98, No. 1, 90--97 (2015; Zbl 1391.15096); translation from Mat. Zametki 98, No. 1, 76--84 (2015) Full Text: DOI
Ikramov, Khakim D. Normality conditions for the BHH matrix operator. (English) Zbl 1322.15009 Linear Multilinear Algebra 63, No. 9, 1901-1908 (2015). MSC: 15A24 15B57 PDFBibTeX XMLCite \textit{K. D. Ikramov}, Linear Multilinear Algebra 63, No. 9, 1901--1908 (2015; Zbl 1322.15009) Full Text: DOI
Ikramov, Kh. D.; Chugunov, V. N. How to characterize \((T+H)\)-matrices and \((T+H)\)-circulants. (English. Russian original) Zbl 1318.15017 Comput. Math. Math. Phys. 55, No. 2, 175-178 (2015); translation from Zh. Vychisl. Mat. Mat. Fiz. 55, No. 2, 185-188 (2015). MSC: 15B05 PDFBibTeX XMLCite \textit{Kh. D. Ikramov} and \textit{V. N. Chugunov}, Comput. Math. Math. Phys. 55, No. 2, 175--178 (2015; Zbl 1318.15017); translation from Zh. Vychisl. Mat. Mat. Fiz. 55, No. 2, 185--188 (2015) Full Text: DOI
Ikramov, Kh. D. Normality conditions for linear matrix operators of the Stein type. (English. Russian original) Zbl 1318.15008 Dokl. Math. 91, No. 1, 50-52 (2015); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 460, No. 3, 269-271 (2015). MSC: 15A24 15B57 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Dokl. Math. 91, No. 1, 50--52 (2015; Zbl 1318.15008); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 460, No. 3, 269--271 (2015) Full Text: DOI
Chugunov, V. N.; Ikramov, Kh. D. A complete solution of the permutability problem for Toeplitz and Hankel matrices. (English) Zbl 1312.15041 Linear Algebra Appl. 478, 53-80 (2015). MSC: 15B05 PDFBibTeX XMLCite \textit{V. N. Chugunov} and \textit{Kh. D. Ikramov}, Linear Algebra Appl. 478, 53--80 (2015; Zbl 1312.15041) Full Text: DOI
Abdikalykov, A. K.; Chugunov, V. N.; Ikramov, Kh. D. Unitary automorphisms of the space of Toeplitz-plus-Hankel matrices. (English) Zbl 1326.15042 Spec. Matrices 3, 58-68 (2015). MSC: 15B05 15A60 PDFBibTeX XMLCite \textit{A. K. Abdikalykov} et al., Spec. Matrices 3, 58--68 (2015; Zbl 1326.15042) Full Text: DOI
Abdikalykov, A. K.; Chugunov, V. N.; Ikramov, Kh. D. Unitary congruence automorphisms of the space of Toeplitz matrices. (English) Zbl 1312.15040 Linear Multilinear Algebra 63, No. 6, 1195-1203 (2015). Reviewer: Jorma K. Merikoski (Tampere) MSC: 15B05 15B10 15A21 PDFBibTeX XMLCite \textit{A. K. Abdikalykov} et al., Linear Multilinear Algebra 63, No. 6, 1195--1203 (2015; Zbl 1312.15040) Full Text: DOI
Ikramov, Khakim D. Toeplitz-plus-Hankel circulants are reducible to block diagonal form via unitary congruences. (English) Zbl 1309.15022 Linear Multilinear Algebra 63, No. 4, 862-867 (2015). MSC: 15A21 15B05 65T50 PDFBibTeX XMLCite \textit{K. D. Ikramov}, Linear Multilinear Algebra 63, No. 4, 862--867 (2015; Zbl 1309.15022) Full Text: DOI
Chugunov, V. N.; Ikramov, Kh. D. Permutability of Toeplitz and Hankel matrices. (English) Zbl 1303.15037 Linear Algebra Appl. 467, 226-242 (2015). MSC: 15B05 PDFBibTeX XMLCite \textit{V. N. Chugunov} and \textit{Kh. D. Ikramov}, Linear Algebra Appl. 467, 226--242 (2015; Zbl 1303.15037) Full Text: DOI
Abdikalykov, A. K.; Ikramov, Kh. D.; Chugunov, V. N. Fast algorithms for calculating the eigenvalues of normal Hankel matrices. (English. Russian original) Zbl 1333.65036 Mosc. Univ. Comput. Math. Cybern. 38, No. 1, 1-7 (2014); translation from Vestn. Mosk. Univ., Ser. XV 2014, No. 1, 5-10 (2014). MSC: 65F15 15B05 PDFBibTeX XMLCite \textit{A. K. Abdikalykov} et al., Mosc. Univ. Comput. Math. Cybern. 38, No. 1, 1--7 (2014; Zbl 1333.65036); translation from Vestn. Mosk. Univ., Ser. XV 2014, No. 1, 5--10 (2014) Full Text: DOI
Abdikalykov, A. K.; Ikramov, Kh. D.; Chugunov, V. N. Some acceleration techniques for calculating the eigenvalues of normal Toeplitz matrices. (English. Russian original) Zbl 1327.65069 Comput. Math. Math. Phys. 54, No. 12, 1761-1764 (2014); translation from Zh. Vychisl. Mat. Mat. Fiz. 54, No. 12, 1835-1838 (2014). MSC: 65F15 15B05 PDFBibTeX XMLCite \textit{A. K. Abdikalykov} et al., Comput. Math. Math. Phys. 54, No. 12, 1761--1764 (2014; Zbl 1327.65069); translation from Zh. Vychisl. Mat. Mat. Fiz. 54, No. 12, 1835--1838 (2014) Full Text: DOI
Vorontsov, Yu. O.; Ikramov, Kh. D. Numerical algorithm for solving quadratic matrix equations of a certain class. (English. Russian original) Zbl 1327.65088 Comput. Math. Math. Phys. 54, No. 11, 1643-1646 (2014); translation from Zh. Vychisl. Mat. Mat. Fiz. 54, No. 11, 1707-1710 (2014). MSC: 65F30 15A24 PDFBibTeX XMLCite \textit{Yu. O. Vorontsov} and \textit{Kh. D. Ikramov}, Comput. Math. Math. Phys. 54, No. 11, 1643--1646 (2014; Zbl 1327.65088); translation from Zh. Vychisl. Mat. Mat. Fiz. 54, No. 11, 1707--1710 (2014) Full Text: DOI
Abdikalykov, A. K.; Ikramov, Kh. D.; Chugunov, V. N. On eigenvalues of \((T+H)\)-circulants and \((T+H)\)-skew-circulants. (Russian, English) Zbl 1324.65061 Sib. Zh. Vychisl. Mat. 17, No. 2, 111-124 (2014); translation in Numer. Analysis Appl. 7, No. 2, 91-103 (2014). MSC: 65F15 15A18 15A30 15B05 PDFBibTeX XMLCite \textit{A. K. Abdikalykov} et al., Sib. Zh. Vychisl. Mat. 17, No. 2, 111--124 (2014; Zbl 1324.65061); translation in Numer. Analysis Appl. 7, No. 2, 91--103 (2014) Full Text: DOI
Ikramov, Kh. D. Normality conditions for matrix equations of the Sylvester type. (English. Russian original) Zbl 1318.15007 Dokl. Math. 90, No. 3, 727-729 (2014); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 459, No. 4, 403-405 (2014). MSC: 15A24 15B57 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Dokl. Math. 90, No. 3, 727--729 (2014; Zbl 1318.15007); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 459, No. 4, 403--405 (2014) Full Text: DOI
Ikramov, Kh. D. Unitary automorphisms of the space of Hankel matrices. (English. Russian original) Zbl 1315.15029 Math. Notes 96, No. 6, 678-685 (2014); translation from Mat. Zametki 96, No. 5, 687-696 (2014). MSC: 15B05 15A21 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Math. Notes 96, No. 6, 678--685 (2014; Zbl 1315.15029); translation from Mat. Zametki 96, No. 5, 687--696 (2014) Full Text: DOI
Ikramov, Kh. D.; Vorontsov, Yu. O. Numerical solution of Sylvester matrix equations in the self-adjoint case. (English. Russian original) Zbl 1311.65045 Mosc. Univ. Comput. Math. Cybern. 38, No. 2, 33-36 (2014); translation from Vestn. Mosk. Univ., Ser. XV 2014, No. 2, 7-9 (2014). MSC: 65F30 15A24 PDFBibTeX XMLCite \textit{Kh. D. Ikramov} and \textit{Yu. O. Vorontsov}, Mosc. Univ. Comput. Math. Cybern. 38, No. 2, 33--36 (2014; Zbl 1311.65045); translation from Vestn. Mosk. Univ., Ser. XV 2014, No. 2, 7--9 (2014) Full Text: DOI
Vorontsov, Yu. O.; Ikramov, Kh. D. Numerical algorithm for solving sesquilinear matrix equations of a certain class. (Russian, English) Zbl 1313.65099 Zh. Vychisl. Mat. Mat. Fiz. 54, No. 6, 901-904 (2014); translation in Comput. Math. Math. Phys. 54, No. 6, 915-918 (2014). MSC: 65F30 15A24 PDFBibTeX XMLCite \textit{Yu. O. Vorontsov} and \textit{Kh. D. Ikramov}, Zh. Vychisl. Mat. Mat. Fiz. 54, No. 6, 901--904 (2014; Zbl 1313.65099); translation in Comput. Math. Math. Phys. 54, No. 6, 915--918 (2014) Full Text: DOI
Vorontsov, Yu. O.; Ikramov, Kh. D. Numerical solution of matrix equations of the Stein type in the self-adjoint case. (Russian, English) Zbl 1313.65098 Zh. Vychisl. Mat. Mat. Fiz. 54, No. 5, 723- 727 (2014); translation in Comput. Math. Math. Phys. 54, No. 5, 745-749 (2014). MSC: 65F30 15A24 PDFBibTeX XMLCite \textit{Yu. O. Vorontsov} and \textit{Kh. D. Ikramov}, Zh. Vychisl. Mat. Mat. Fiz. 54, No. 5, 723- 727 (2014; Zbl 1313.65098); translation in Comput. Math. Math. Phys. 54, No. 5, 745--749 (2014) Full Text: DOI
Vorontsov, Yu. O.; Ikramov, Kh. D. Numerical solution of the matrix equation \(X-A\bar X B = C\) in the self-adjoint case. (Russian, English) Zbl 1313.65097 Zh. Vychisl. Mat. Mat. Fiz. 54, No. 3, 371-374 (2014); translation in Comput. Math. Math. Phys. 54, No. 3, 379-381 (2014). MSC: 65F30 15A24 PDFBibTeX XMLCite \textit{Yu. O. Vorontsov} and \textit{Kh. D. Ikramov}, Zh. Vychisl. Mat. Mat. Fiz. 54, No. 3, 371--374 (2014; Zbl 1313.65097); translation in Comput. Math. Math. Phys. 54, No. 3, 379--381 (2014) Full Text: DOI Link
Vorontsov, Yu. O.; Ikramov, Kh. D. Numerical solution of the matrix equations \(AX + X ^TB = C\) and \(AX + X*B = C\) in the self-adjoint case. (Russian, English) Zbl 1313.65096 Zh. Vychisl. Mat. Mat. Fiz. 54, No. 2, 179- 182 (2014); translation in Comput. Math. Math. Phys. 54, No. 2, 191-194 (2014). MSC: 65F30 15A24 PDFBibTeX XMLCite \textit{Yu. O. Vorontsov} and \textit{Kh. D. Ikramov}, Zh. Vychisl. Mat. Mat. Fiz. 54, No. 2, 179- 182 (2014; Zbl 1313.65096); translation in Comput. Math. Math. Phys. 54, No. 2, 191--194 (2014) Full Text: DOI Link
Abdikalykov, A. K.; Ikramov, K. D.; Chugunov, V. N. Unitary congruences and Hankel matrices. (English. Russian original) Zbl 1305.15066 Dokl. Math. 90, No. 1, 476-478 (2014); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 457, No. 5, 507-509 (2014). MSC: 15B05 15A21 PDFBibTeX XMLCite \textit{A. K. Abdikalykov} et al., Dokl. Math. 90, No. 1, 476--478 (2014; Zbl 1305.15066); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 457, No. 5, 507--509 (2014) Full Text: DOI
Ikramov, K. D.; Chugunov, V. N.; Abdikalykov, A. K. On local conditions characterizing the set of (T+H)-matrices. (English. Russian original) Zbl 1305.15067 Dokl. Math. 90, No. 1, 405-406 (2014); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 457, No. 1, 17-18 (2014). MSC: 15B05 PDFBibTeX XMLCite \textit{K. D. Ikramov} et al., Dokl. Math. 90, No. 1, 405--406 (2014; Zbl 1305.15067); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 457, No. 1, 17--18 (2014) Full Text: DOI
Ikramov, Kh. D. Unitary automorphisms of the space of Toeplitz matrices. (English. Russian original) Zbl 1306.15028 Dokl. Math. 89, No. 3, 321-323 (2014); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 456, No. 4, 389-391 (2014). MSC: 15B05 15A21 15A04 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Dokl. Math. 89, No. 3, 321--323 (2014; Zbl 1306.15028); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 456, No. 4, 389--391 (2014) Full Text: DOI
Ikramov, Kh. D. On the solvability of a certain class of quadratic matrix equations. (English. Russian original) Zbl 1301.15013 Dokl. Math. 89, No. 2, 162-164 (2014); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 455, No. 2, 135-137 (2014). MSC: 15A24 PDFBibTeX XMLCite \textit{Kh. D. Ikramov}, Dokl. Math. 89, No. 2, 162--164 (2014; Zbl 1301.15013); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 455, No. 2, 135--137 (2014) Full Text: DOI