|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Nashine, H.K., Shil, S., Hasanov, V., On a Pair of Nonlinear Matrix Equations, TWMS Journal of Pure and Applied Mathematics, 15(2) (2024), pp. 183-202. WoS |
18.04.2025 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Nikolova, K., Hasanov, V.I., On Inexact Newton Methods for Solving Two Nonlinear Matrix Equations, Annals of the Academy of Romanian Scientists: Series on Mathematics and its Applications, 16(2) (2024), pp. 311–327. Scopus |
18.04.2025 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ñáîðíèê
| Äðóãè ïóáëèêàöèè
| Zyapkov, N., Stanev, S., Petrova, R., Georgiev, G., Stankov, D., Hasanov, V., The Faculty of Mathematics and Informatics and Its Professional Fields at the University of Shumen over the Years, MATHTEX 2022, Conference Proceedings, v. 1, (2022), pp. 3-36 (In Bulgarian). |
07.12.2024 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ãîäèøíèê
| Ñòàòèè
| Hasanov, V., Iterative Methods for Solving a Linear Matrix Equation, Annual of Konstantin Preslavsky University of Shumen, Vol. XXV Ñ, (2024), pp. 3-14. (In Bulgarian) ISSN 1311-834X |
07.12.2024 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Hasanov, V.I., Notes on two perturbation estimates of the extreme solutions to the equations X pm A^*X^{-1}A=Q, Applied Mathematics and Computation, Vol. 216 (2010), pp. 1355-1362. ISSN:0096-3003,
WoS (Q1), Scopus (Q2)
|
27.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Hasanov, V.I., Perturbation Theory for Linearly Perturbed Algebraic Riccati Equations, Numerical Functional Analysis and Optimization, 35:12, (2014), pp. 1532-1559. ISSN:0163-0563, WoS (Q3), Scopus (Q2)
|
27.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Hasanov, V., S. Hakkaev, Newtons method for a nonlinear matrix equation, Comptes rendus de LAcademie bulgare des Sciences, 68 (8), (2015), pp. 973-982. ISSN:1310-1331, WoS (Q4), Scopus (Q3)
|
27.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Hasanov, V.I., S.A. Hakkaev, Convergence analysis of some iterative methods for a nonlinear matrix equation, Computers & Mathematics with Applications, 72 (4), (2016), pp. 1164-1176. ISSN:0898-1221, WoS, Scopus (Q1)
|
27.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Hasanov, V.I., Ali, A.A., On convergence of three iterative methods for solving of the matrix equation X+ A^*X^{-1}A+ B^*X^{-1}B = Q, Computational and Applied Mathematics, 36 (2017), pp. 79-87. ISSN:0101-8205, WoS, Scopus (Q3)
|
27.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Hasanov, V.I., Borisova, D.I., Perturbation estimates for the maximal solution of a nonlinear matrix equation, Annals of the Academy of Romanian Scientists: Series on Mathematics and its Applications, 9 (2017), pp. 28-43. ISSN:2066-5997,
Scopus (Q4)
|
27.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Hasanov, V.I., On perturbation estimates for the extreme solution of a matrix equation, Annals of the Academy of Romanian Scientists: Series on Mathematics and its Applications, 9 (2017), pp. 74-88. ISSN:2066-5997,
Scopus (Q4)
|
27.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ãîäèøíèê
| Ñòàòèè
| Hasanov, V., Necessary and sufficient condition for the existence of a positive definite solution of a matrix equation, Annual of Konstantin Preslavsky University of Shumen, Vol. XX C, (2019), pp. 13-19. ISSN 1311-834X |
27.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Hasanov, V., On the matrix equation X + A^*X^{-1} A - B^*X^{-1}B=I, Linear and Multilinear Algebra, 66(9), (2018), pp. 1783-1798. ISSN:0308-1087, WoS, Scopus (Q2)
|
27.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Hasanov, V., Perturbation bounds for the matrix equation X+A^*widehat{X}{}^{-1}A=Q, Applied and Computational Mathematics, 19(1), (2020), pp. 20-33. ISSN 1683-3511, WoS |
27.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Borisova, D.I., Hasanov, V.I., On some perturbation bounds for a matrix equation from interpolation problems, Annals of the Academy of Romanian Scientists: Series on Mathematics and its Applications, 10(2), (2018), pp. 297-313. ISSN:2066-5997, Scopus (Q3)
|
27.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Ivanov, I. G., B. V. Minchev, V. I. Hasanov, Positive definite solutions of the equation \\( X-A^*\\sqrt{X^{-1}}A=I, \\) In: Applications of Mathematics in Engineering, D. Ivanchev and M. D. Todorov (Eds.), Proceedings of the XXIV Summer School “Applications of Mathematics in Engineering”, Sozopol 1998, pages 113–116, Heron Press, Sofia, 1999.
Mathematical Reviews [MR 1691341] |
25.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Hasanov, V.I., An iterative methods for solving the spectral J-symmetric problem. In: Applications of Mathematics in Engineering and Economics, D. Ivanchev and M.D. Todorov (Eds.), Proceedings of the XXVII Summer School “Applications of Mathematics in Engineering”, Sozopol 2001, pages 268–277, Heron Press, Sofia, 2002.
ISBN 954-580-115-8/hbk, Mathematical Reviews [MR 1915724], Zentralblatt MATH [Zbl 1333.65038] |
25.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Hasanov, V.I., I.G. Ivanov, Iterative method for computing the matrix square root, In: Applications of Mathematics in Engineering and Economics, D. Ivanchev and M. D. Todorov (Eds.), Proceedings of the XXVI Summer School “Applications of Mathematics in Engineering”, Sozopol 2000, pages 152–156, Heron Press, Sofia,
2001.
Mathematical Reviews [MR 2002m:65039] |
25.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Hasanov, V.I., Ivanov, I.G., Nedzhibov, G. H., A new modification of Newton’s method, In: Applications of Mathematics in Engineering and Economics, D. Ivanchev and M. D. Todorov (Eds.), Proceedings of the XXVII Summer School “Applications of Mathematics in Engineering”, Sozopol 2001, pages 278–286, Heron Press, Sofia, 2002. Mathematical Reviews [MR 1915725] |
25.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Ivanov, I.G., V.I. Hasanov, B.V. Minchev, On matrix equations \\(X \\pm A^*X^{-2}A=I\\), Linear Algebra and its Applications, Vol. 326, (2001), pp.27-44, ISSN:0024-3795, WoS, Scopus, Mathematical Reviews [MR 1815949] |
25.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Hassanov V., I. Ivanov, Positive Definite Solutions of the Equation \\\\(X+A^*X^{-n}A=I\\\\). In: Vulkov L., Yalamov P., Wasniewski J. (eds) Numerical Analysis and Its Applications. NAA 2000. Lecture Notes in Computer Science, Vol. 1988, pages 377-384. Springer, Berlin, Heidelberg, 2001. ISBN : 978-3-540-41814-6, WoS, Scopus, Mathematical Reviews [MR 1938432 (2003e:65003)]
|
25.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Hasanov, V.I., Ivanov, I.G., Solutions and perturbation theory of a special matrix equation I: Properties of solutions, In: Mathematics and Education in Mathematics, Proceedings of the Thirty Second Spring Conference of the Union of Bulgarian Mathematicians, Sunny Beach 2003, pages 244–248, 2003. ISSN 1313-3330, Mathematical Reviews [MR 2006157] |
25.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Hasanov, V.I., Positive definite solutions a linearly perturbed matrix equation, Annals of the Academy of Romanian Scientists: Series on Mathematics and its Applications, 13 (2021), pp. 5-19. ISSN:2066-6594,
Scopus, MathSciNet [], Zentralblatt MATH [] |
25.06.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 íàó÷íî ñïèñàíèå
| Ñòàòèè
| Ali, A., Hasanov, V., An iterative method for solving the matrix equation X-A^* XA-B^* X^{-1} B= I , Mathematical and Software Engineering, 6 (1), 2020, pp. 1-6. ISSN: 2367-7449 |
13.02.2021 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Äðóãè
| Äèñåðòàöèè
| Ðåøåíèÿ è ïåðòóðáàöèîííà òåîðèÿ íà íåëèíåéíè ìàòðè÷íè óðàâíåíèÿ, Äèñåðòàöèÿ, 2004 ã.
|
31.08.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Nedzhibov, G.H., V.I. Hasanov, Newton-Secant method for solving operator equations, Mathematica Balkanica. New Series, 26(3-4), (2012), pp.369-376. ISSN:0350-2007, MathSciNet [MR3184868], Zentralblatt MATH [Zbl 1294.65060] |
01.05.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 íàó÷íî ñïèñàíèå
| Ñòàòèè
| Hasanov, V.I., On a perturbation estimate for the extreme solution of the matrix equation \(X-A^*\widehat{X}{}^{-1}A=Q\), Innovativity in Modeling and Analytics Journal of Research, Vol. 2, (2017), pp. 1-11. ISSN 2534-9619 |
29.04.2020 |
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Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Äðóãè
| Ó÷åáíèöè
| Â. Õàñàíîâ, Ëèíåéíî îïòèìèðàíå, ÓÈ "Åïèñêîï Êîíñòàíòèí Ïðåñëàâñêè", Øóìåí, 2019 ã., ñòð. 192. ISBN 978-619-201-327-1 |
18.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Ali, A.A., V.I. Hasanov, On some sufficient conditions for the existence of a positive definite solution of the matrix equation \(X+A^*X^{-1}A-B^*X^{-1}B=I\), AIP Conference Proceedings, Volume 1690, 060001, (2015). ISSN:0094-243X,
WoS(Conference Proceedings Citation Index- Science), Scopus |
18.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Ivanov, I.G., V.I. Hasanov, Perturbation Estimates for the Two Kinds of Algebraic Riccati Equations Arising in a Stochastic Control, Journal of Numerical Mathematics and Stochastics, 6 (2014), pp. 1-20. ISSN 2151-2302, MathSciNet [MR3278995], Zentralblatt MATH [Zbl 1360.93393]
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18.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ñáîðíèê
| Ñòàòèè
| Õàñàíîâ, Â., Åäíî îáîáùåíèå íà óðàâíåíèåòî íà Ñèëâåñòúð, Ñáîðíèê íàó÷íè òðóäîâå, ÓÈ"Åïèñêîï Êîíñòàíòèí Ïðåñëàâñêè", (2009), ññ. 31-34. |
16.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ñáîðíèê
| Ñòàòèè
| Ôåéçîëîâà, À.À., Â.È. Õàñàíîâ, Âúðõó íÿêîè ïåðòóðáàöèîííè îöåíêè íà ìàòðè÷íèòå óðàâíåíèÿ \(X + A^*X^{-1}A=Q\) è \(X - A^*X^{-1}A=Q\), Ñáîðíèê íàó÷íè òðóäîâå íà ÔÌÈ íà Øóìåíñêè óíèâåðñèòåò, Óíèâåðñèòåòñêî èçäàòåëñòâî “Åïèñêîï Êîíñòàíòèí Ïðåñëàâñêè”, Øóìåí (2007), ññ. 62-69. |
16.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Nedzhibov, G.H., Hasanov, V.I., Petkov, M. G., On some families of multi-point iterative methods for solving nonlinear equations, Numerical Algorithms, 42 (2006), pp. 127–136. ISSN:1017-1398, WoS, Scopus, MathSciNet [MR2262511], Zentralblatt MATH [Zbl 1117.65067]
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16.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Hasanov, V.I., I.G. Ivanov, On two perturbation estimates of the extreme solutions to the equations \(X \pm A^*X^{-1}A=Q\), Linear Algebra and its Applications, Vol. 413 (2006), pp. 81-92. ISSN:0024-3795,
WoS, Scopus, MathSciNet [MR2202094], Zentralblatt MATH [Zbl 1087.15016]
|
16.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Hasanov, V.I., S.M. El-Sayed, On the positive definite solutions of nonlinear matrix equation \(X + A^* X^{-\delta}A = Q\), Linear Algebra and its Applications, Vol. 412 (2006),pp. 154-160. ISSN:0024-3795,
WoS, Scopus, MathSciNet [MR2182958], Zentralblatt MATH [Zbl 1083.15018]
|
16.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Hasanov, V.I., Positive definite solutions of the matrix equations \(X \pm A^*X^{-q}A = Q\), Linear Algebra and its Applications, Vol. 404 (2005), pp. 166-182. ISSN:0024-3795, WoS, Scopus, MathSciNet [MR2149658], Zentralblatt MATH [Zbl 1078.15012]
|
16.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Hasanov, V.I., I.G. Ivanov, On the matrix equation \(X - A^*X^{-n}A = I\), Applied Mathematics and Computation, Vol. 168 (2005), pp. 1340-1356. ISSN:0096-3003,
WoS, Scopus, MathSciNet [MR2171783], Zentralblatt MATH [Zbl 1081.65036]
|
16.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Ivanov, I.G., V.I. Hasanov, F. Uhlig, Improved methods and starting values to solve the matrix equations \(X \pm A^*X^{-1}A = I\) iteratively, Mathematics of Computation, Vol. 74 (2005), pp. 263-278. ISSN:0025-5718, WoS, Scopus, MathSciNet [MR2085410], Zentralblatt MATH [Zbl 1058.65051]
|
16.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Hasanov, V.I., An iterative method for solving the spectral problem of complex symmetric matrices, Computers & Mathematics with Applications, Vol. 47 (2004), pp.529-540. ISSN:0898-1221,
WoS, Scopus, MathSciNet [MR2051327], Zentralblatt MATH [Zbl 1069.65035]
|
16.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Hasanov, V.I., I.G. Ivanov, Solutions and perturbation estimates for the matrix equations \(X \pm A^*X^{-n}A=Q\), Applied Mathematics and Computation, Vol. 156 (2004), pp. 513-525. ISSN:0096-3003,
WoS, Scopus, Mathematical Reviews [MR2087529], Zentralblatt MATH [Zbl 1063.15012]
|
16.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Hasanov, V.I., I. G. Ivanov, F. Uhlig, Improved perturbation estimates for the matrix equations \(X \pm A^*X^{-1}A=Q\), Linear Algebra and its Applications, Vol. 379 (2004), pp. 113-135. ISSN:0024-3795, WoS, Scopus, Mathematical Reviews
[MR2039300], Zentralblatt MATH [Zbl 1039.15005]
|
16.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Ivanov, I.G., V. I. Hasanov, Solutions and perturbation theory of a special matrix
equation II: Perturbation theory, In: Mathematics and Education in Mathematics,
Proceedings of the Thirty Second Spring Conference of the Union of Bulgarian Mathematicians,
Sunny Beach 2003, pages 258–264, 2003. ISSN 1313-3330, Mathematical Reviews
[MR 2006159] |
16.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 íàó÷íî ñïèñàíèå
| Ñòàòèè
| Uhlig, F., V. I. Hasanov, I. G. Ivanov, On the quadratic matrix equations \(X\pm A^*X^{-1}A = Q\), Numerical Mathematics, A Journal of Chinese Universities, Vol. 12, (2003), pp. 1–5. |
16.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ñáîðíèê
| Ñòàòèè
| Hasanov, V.I., Positive definite solutions of a nonlinear matrix equation, In: Mathematics and Education in Mathematics, Proceedings of the Twenty Eighth Spring Conference of the Union of Bulgarian Mathematicians, Montana 1999, pages 107–112, 1999. |
16.02.2020 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
 ñáîðíèê
| Ñòàòèè
| Áîðèñîâà, Ä.È., Â. È. Õàñàíîâ, Ïåðòóðáàöèîííè îöåíêè çà ìàêñèìàëíîòî ðåøåíèå íà ìàòðè÷íîòî óðàâíåíèå \(X+A^*X^{-1}A+B^*X^{-1}B=Q\), ÌÀÒÒÅÕ 2016, Ñáîðíèê íàó÷íè òðóäîâå, Òîì 1, (2016), ññ. 102-109. |
05.12.2019 |
|
Ïðîô. ä-ð Âåæäè Èñìàèëîâ Õàñàíîâ
|
Ñ èìïàêò ôàêòîð
| Äðóãè ïóáëèêàöèè
| M. Hajarian, Q.W. Wang, V.I. Hasanov, Linear and Nonlinear Matrix Equations, Abstract and Applied Analysis, V. 2013 (2013), Article ID 741430 |
19.10.2016 |
