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Found 216 Documents (Results 1–100)

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Sidorov, S. N.

Three-dimensional initial-boundary value problem for a parabolic-hyperbolic equation with a degenerate parabolic part. (English. Russian original) Zbl 07736673

Russ. Math. 67, No. 4, 44-55 (2023); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2023, No. 3, 51-64 (2023).
MSC:  35M13 35A02 35C10
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\textit{S. N. Sidorov}, Russ. Math. 67, No. 4, 44--55 (2023; Zbl 07736673); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2023, No. 3, 51--64 (2023)
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Sabitov, K. B.

Forward and inverse source reconstruction problems for the equations of vibrations of a rectangular plate. (English. Russian original) Zbl 1516.35261

Comput. Math. Math. Phys. 63, No. 4, 582-595 (2023); translation from Zh. Vychisl. Mat. Mat. Fiz. 63, No. 4, 614-628 (2023).
MSC:  35L35 35R30 74H45 74K20
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\textit{K. B. Sabitov}, Comput. Math. Math. Phys. 63, No. 4, 582--595 (2023; Zbl 1516.35261); translation from Zh. Vychisl. Mat. Mat. Fiz. 63, No. 4, 614--628 (2023)
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Apakov, Yu. P.; Mamajonov, S. M.

Boundary-value problem for the fourth-order equation with multiple characteristics in a rectangular domain. (English. Ukrainian original) Zbl 1514.35111

J. Math. Sci., New York 272, No. 2, 185-201 (2023); translation from Neliniĭni Kolyvannya 24, No. 3, 291-305 (2021).
MSC:  35G15 35C15
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\textit{Yu. P. Apakov} and \textit{S. M. Mamajonov}, J. Math. Sci., New York 272, No. 2, 185--201 (2023; Zbl 1514.35111); translation from Neliniĭni Kolyvannya 24, No. 3, 291--305 (2021)
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Sidorov, S. N.

Inverse problem of finding a factor depending on the spatial variables on the right-hand side in a parabolic-hyperbolic equation. (English. Russian original) Zbl 1485.35428

Differ. Equ. 57, No. 12, 1585-1597 (2021); translation from Differ. Uravn. 57, No. 12, 1610-1622 (2021).
MSC:  35R30 35A02 35C10 35M13
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\textit{S. N. Sidorov}, Differ. Equ. 57, No. 12, 1585--1597 (2021; Zbl 1485.35428); translation from Differ. Uravn. 57, No. 12, 1610--1622 (2021)
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Sabitov, K. B.; Sidorov, S. N.

Initial-boundary value problem for a three-dimensional equation of the parabolic-hyperbolic type. (English. Russian original) Zbl 1472.35249

Differ. Equ. 57, No. 8, 1042-1052 (2021); translation from Differ. Uravn. 57, No. 8, 1071-1080 (2021).
MSC:  35M13 35A02 35C10
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\textit{K. B. Sabitov} and \textit{S. N. Sidorov}, Differ. Equ. 57, No. 8, 1042--1052 (2021; Zbl 1472.35249); translation from Differ. Uravn. 57, No. 8, 1071--1080 (2021)
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Il’kiv, Volodymyr S.; Strap, Nataliya I.; Volyanska, Iryna I.

Conditions of solvability of the nonlocal boundary-value problem for a differential-operator equation with weak nonlinearity. (English. Ukrainian original) Zbl 1471.34120

J. Math. Sci., New York 256, No. 6, 753-769 (2021); translation from Ukr. Mat. Visn. 18, No. 1, 37-59 (2021).
MSC:  34G20 34B15 34B10 34A45 47N20
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\textit{V. S. Il'kiv} et al., J. Math. Sci., New York 256, No. 6, 753--769 (2021; Zbl 1471.34120); translation from Ukr. Mat. Visn. 18, No. 1, 37--59 (2021)
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Sabitova, Yu. K.

The first boundary problem with an integral condition for a mixed-type equation with a characteristic degeneration. (English. Russian original) Zbl 1465.35318

Russ. Math. 64, No. 11, 39-57 (2020); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 11, 46-64 (2020).
MSC:  35M12 35C10
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\textit{Yu. K. Sabitova}, Russ. Math. 64, No. 11, 39--57 (2020; Zbl 1465.35318); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 11, 46--64 (2020)
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Fayazov, Kudratillo S.; Khajiev, Ikrombek O.

A nonlocal boundary-value problem for a fourth-order mixed-type equation. (English. Ukrainian original) Zbl 1448.35340

J. Math. Sci., New York 248, No. 2, 166-174 (2020); translation from Ukr. Mat. Visn. 17, No. 1, 30-41 (2020).
MSC:  35M12 35R25 35C10
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\textit{K. S. Fayazov} and \textit{I. O. Khajiev}, J. Math. Sci., New York 248, No. 2, 166--174 (2020; Zbl 1448.35340); translation from Ukr. Mat. Visn. 17, No. 1, 30--41 (2020)
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Martemyanova, N. V.

Nonlocal inverse problem of finding unknown multipliers in the right-hand part of Lavrentiev-Bitsadze equation. (English. Russian original) Zbl 1445.35335

Russ. Math. 64, No. 1, 40-57 (2020); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 1, 46-63 (2020).
MSC:  35R30 35M12
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\textit{N. V. Martemyanova}, Russ. Math. 64, No. 1, 40--57 (2020; Zbl 1445.35335); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 1, 46--63 (2020)
Full Text: DOI
Sabitov, K. B.; Zaynullov, A. R.

Inverse problems for initial conditions of the mixed problem for the telegraph equation. (English. Russian original) Zbl 1423.35455

J. Math. Sci., New York 241, No. 5, 622-645 (2019); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 141, 111-133 (2017).
MSC:  35R30 35M10 35Q60
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\textit{K. B. Sabitov} and \textit{A. R. Zaynullov}, J. Math. Sci., New York 241, No. 5, 622--645 (2019; Zbl 1423.35455); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 141, 111--133 (2017)
Full Text: DOI
Sabitov, K. B.; Sidorov, S. N.

Initial-boundary-value problem for inhomogeneous degenerate equations of mixed parabolic-hyperbolic type. (English. Russian original) Zbl 1414.35132

J. Math. Sci., New York 236, No. 6, 603-640 (2019); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 137, 26-60 (2017).
MSC:  35M13 35Q60 35C10
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\textit{K. B. Sabitov} and \textit{S. N. Sidorov}, J. Math. Sci., New York 236, No. 6, 603--640 (2019; Zbl 1414.35132); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 137, 26--60 (2017)
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Sabitov, Kamil B.; Safina, Rimma M.

The first boundary-value problem for an equation of mixed type with a singular coefficient. (English. Russian original) Zbl 1392.35197

Izv. Math. 82, No. 2, 318-350 (2018); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 82, No. 2, 79-112 (2018).
MSC:  35M12 35A02 35A01 35C10
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\textit{K. B. Sabitov} and \textit{R. M. Safina}, Izv. Math. 82, No. 2, 318--350 (2018; Zbl 1392.35197); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 82, No. 2, 79--112 (2018)
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Sabitov, K. B.; Gushchina, Violetta A.

A. A. Dezin’s problem for inhomogeneous Lavrent’ev-Bitsadze equation. (English. Russian original) Zbl 1372.35191

Russ. Math. 61, No. 3, 31-43 (2017); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2017, No. 3, 37-50 (2017).
MSC:  35M12 35C10
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\textit{K. B. Sabitov} and \textit{V. A. Gushchina}, Russ. Math. 61, No. 3, 31--43 (2017; Zbl 1372.35191); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2017, No. 3, 37--50 (2017)
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Sabitov, K. B.; Martem’yanova, N. V.

The inverse problem for the Lavrent’ev-Bitsadze equation connected with the search of elements in the right-hand side. (English. Russian original) Zbl 1516.35536

Russ. Math. 61, No. 2, 36-48 (2017); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2017, No. 2, 44-57 (2017).
MSC:  35R30 35M12
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\textit{K. B. Sabitov} and \textit{N. V. Martem'yanova}, Russ. Math. 61, No. 2, 36--48 (2017; Zbl 1516.35536); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2017, No. 2, 44--57 (2017)
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Kozlov, Valery V.

Invariant measures of smooth dynamical systems, generalized functions and summation methods. (English. Russian original) Zbl 1417.37088

Izv. Math. 80, No. 2, 342-358 (2016); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 80, No. 2, 63-80 (2016).
Reviewer: Pengfei Zhang (Norman)
MSC:  37C05 37C10 37C40 40G05 46A22
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\textit{V. V. Kozlov}, Izv. Math. 80, No. 2, 342--358 (2016; Zbl 1417.37088); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 80, No. 2, 63--80 (2016)
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Martem’yanova, N. V.

The Dirichlet problem for an equation of mixed elliptic-hyperbolic type with variable potential. (English. Russian original) Zbl 1331.35243

Russ. Math. 59, No. 11, 36-44 (2015); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2015, No. 11, 44-53 (2015).
MSC:  35M12 35A01 35A02 35P10
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\textit{N. V. Martem'yanova}, Russ. Math. 59, No. 11, 36--44 (2015; Zbl 1331.35243); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2015, No. 11, 44--53 (2015)
Full Text: DOI
Guo, Feng; Kaltofen, Erich L.; Zhi, Lihong

Certificates of impossibility of Hilbert-Artin representations of a given degree for definite polynomials and functions. (English) Zbl 1323.65068

van der Hoeven, Joris (ed.) et al., Proceedings of the 37th international symposium on symbolic and algebraic computation, ISSAC 2012, Grenoble, France, July 22–25, 2012. New York, NY: Association for Computing Machinery (ACM) (ISBN 978-1-4503-1269-1). 195-202 (2012).
MSC:  65K05 90C22
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\textit{F. Guo} et al., in: Proceedings of the 37th international symposium on symbolic and algebraic computation, ISSAC 2012, Grenoble, France, July 22--25, 2012. New York, NY: Association for Computing Machinery (ACM). 195--202 (2012; Zbl 1323.65068)
Full Text: DOI arXiv
Vasilache, Tiberiu; Prepeliţă, Valeriu; Doroftei, Mona

Standard controllable realizations for \(n\)D separable transfer matrices. (English) Zbl 1229.93034

Balan, Vladimir (ed.) et al., Proceedings of the international conference on differential geometry and dynamical systems (DGDS-2010), Bucharest, Romania, August 25–28, 2010. Bucharest: Geometry Balkan Press. BSG Proceedings 18, 101-112 (2011).
MSC:  93B15 93C35 93C05 93B10 93B05 93C55
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\textit{T. Vasilache} et al., BSG Proc. 18, 101--112 (2011; Zbl 1229.93034)
Savka, I. Ya.

A nonlocal boundary-value problem for partial differential equations with constant coefficients on smooth curves. (Ukrainian, English) Zbl 1240.35097

Mat. Metody Fiz.-Mekh. Polya 52, No. 4, 18-33 (2009); translation in J. Math. Sci., New York 174, No. 2, 136-158 (2011).
Reviewer: V. I. Zhukovsky (Moskva)
MSC:  35G25 35D35
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\textit{I. Ya. Savka}, Mat. Metody Fiz.-Mekh. Polya 52, No. 4, 18--33 (2009; Zbl 1240.35097); translation in J. Math. Sci., New York 174, No. 2, 136--158 (2011)
Bilusyak, N. I.; Ptashnyk, B. Yo.

Boundary value problem for equations with variable coefficients unsolvable with respect to the highest time derivative. (Ukrainian, English) Zbl 1164.35055

Mat. Metody Fiz.-Mekh. Polya 51, No. 2, 42-52 (2008); translation in J. Math. Sci., New York 162, No. 1, 44-58 (2009).
Reviewer: V. M. Musaev (Baku)
MSC:  35L25
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\textit{N. I. Bilusyak} and \textit{B. Yo. Ptashnyk}, Mat. Metody Fiz.-Mekh. Polya 51, No. 2, 42--52 (2008; Zbl 1164.35055); translation in J. Math. Sci., New York 162, No. 1, 44--58 (2009)
Vlasij, O. D.; Ptashnyk, B. J.

Nonlocal boundary-value problem for linear partial differential equations unsolved with respect to the higher time derivative. (Ukrainian, English) Zbl 1142.35009

Ukr. Mat. Zh. 59, No. 3, 370-381 (2007); translation in Ukr. Math. J. 59, No. 3, 409-422 (2007).
Reviewer: A. N. Kochubei (Kyïv)
MSC:  35G15
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\textit{O. D. Vlasij} and \textit{B. J. Ptashnyk}, Ukr. Mat. Zh. 59, No. 3, 370--381 (2007; Zbl 1142.35009); translation in Ukr. Math. J. 59, No. 3, 409--422 (2007)
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