Edit Profile (opens in new tab) Ryazanov, Vladimir Il’ich Co-Author Distance Author ID: ryazanov.vladimir-i Published as: Ryazanov, V. I.; Ryazanov, Vladimir; Ryazanov, V.; Ryazanov, Vladimir I.; Ryazanov, V. L.; Ryazanov, v. more...less Further Spellings: Рязанов Владимир Ильич External Links: MGP · Math-Net.Ru Documents Indexed: 247 Publications since 1982, including 4 Books and 19 Additional arXiv Preprints Reviewing Activity: 21 Reviews Co-Authors: 33 Co-Authors with 200 Joint Publications 361 Co-Co-Authors all top 5 Co-Authors 42 single-authored 88 Gutlyanskiĭ, Vladimir Ya. 42 Yakubov, Eduard H. 30 Sevost’yanov, Yevgen Oleksandrovych 27 Nesmelova, Ol’ga Vladimirovna 24 Martio, Olli 23 Kovtonyuk, D. A. 21 Salimov, Ruslan Radikovich 21 Srebro, Uri 13 Vuorinen, Matti Keijo Kustaa 12 Yefimushkin, A. S. 9 Bojarski, Bogdan 8 Kovtonyuk, Denis 8 Petkov, I. V. 6 Ignat’ev, Andreĭ A. 4 Afanas’eva, Elena Sergeevna 4 Lomako, Tetiana 4 Potemkin, V. L. 4 Yefimushkin, Artyem 3 Volkov, S. V. 2 Afanas’eva, Ol’ga Sergeevna 2 Dovgoshey, Oleksiy Alfredovich 2 Petkov, Igor 2 Sevos’yanov, E. 2 Shapovalov, V. A. 2 Yefimushkin, Artem 1 Adzhieva, A. A. 1 Efimushkin, Artem S. 1 Kolomoitsev, Yurii S. 1 Kovtonyk, Denis 1 Potyemkin, V. 1 Shapovalov, Aleksandr V. 1 Sherieva, M. A. 1 Uvizheva, F. Kh. all top 5 Serials 38 Dopovidi Natsional’noï Akademiï Nauk Ukraïny. Matematyka, Pryrodoznavstvo, Tekhnichni Nauky 27 Journal of Mathematical Sciences (New York) 21 Trudy Instituta Prikladnoĭ Matematiki i Mekhaniki 11 Ukrainian Mathematical Journal 11 Doklady Mathematics 10 Ukraïns’kyĭ Matematychnyĭ Zhurnal 6 Journal d’Analyse Mathématique 6 Siberian Mathematical Journal 6 Russian Academy of Sciences. Doklady. Mathematics 6 Annales Academiae Scientiarum Fennicae. Mathematica 6 Complex Variables and Elliptic Equations 6 Annals of the University of Bucharest. Mathematical Series 5 Soviet Mathematics. Doklady 4 Revue Roumaine de Mathématiques Pures et Appliquées 4 Siberian Advances in Mathematics 4 Analysis and Mathematical Physics 3 Doklady Akademii Nauk Ukrainskoĭ SSR, Seriya A 3 Sibirskiĭ Matematicheskiĭ Zhurnal 3 St. Petersburg Mathematical Journal 3 Matematychni Studiï 3 Lobachevskii Journal of Mathematics 3 Ukraïns’kyĭ Matematychnyĭ Visnyk 2 Israel Journal of Mathematics 2 Mathematical Notes 2 Izvestiya: Mathematics 2 Complex Analysis and Operator Theory 2 Zbirnyk Prats’ Instytutu Matematyky NAN Ukraïny 2 Open Mathematics 1 Studia Mathematica 1 Annales Universitatis Mariae Curie-Skłodowska. Sectio A. Mathematica 1 Mathematische Nachrichten 1 Proceedings of the American Mathematical Society 1 Complex Variables. Theory and Application 1 PLISKA. Studia Mathematica Bulgarica 1 Forum Mathematicum 1 Expositiones Mathematicae 1 Russian Academy of Sciences. Izvestiya. Mathematics 1 Dopovidi Akademiï Nauk Ukraïni 1 Topological Methods in Nonlinear Analysis 1 Bulletin de la Société des Sciences et des Lettres de Łódź. Série: Recherches sur les Déformations 1 Sibirskie Èlektronnye Matematicheskie Izvestiya 1 Translations. Series 2. American Mathematical Society 1 Developments in Mathematics 1 EMS Tracts in Mathematics 1 Constructive Mathematical Analysis 1 Annales Fennici Mathematici all top 5 Fields 222 Functions of a complex variable (30-XX) 66 Partial differential equations (35-XX) 28 Potential theory (31-XX) 11 Functional analysis (46-XX) 8 Ordinary differential equations (34-XX) 5 Real functions (26-XX) 5 Dynamical systems and ergodic theory (37-XX) 5 Manifolds and cell complexes (57-XX) 4 Measure and integration (28-XX) 4 General topology (54-XX) 4 Global analysis, analysis on manifolds (58-XX) 3 Several complex variables and analytic spaces (32-XX) 2 Numerical analysis (65-XX) 2 Fluid mechanics (76-XX) 2 Geophysics (86-XX) 1 Number theory (11-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 Differential geometry (53-XX) 1 Algebraic topology (55-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 149 Publications have been cited 1,708 times in 466 Documents Cited by ▼ Year ▼ Moduli in modern mapping theory. Zbl 1175.30020 Martio, Olli; Ryazanov, Vladimir; Srebro, Uri; Yakubov, Eduard 237 2009 The Beltrami equation. A geometric approach. Zbl 1248.30001 Gutlyanskiĭ, Vladimir; Ryazanov, Vladimir; Srebro, Uri; Yakubov, Eduard 80 2012 The Cantor function. Zbl 1098.26006 Dovgoshey, O.; Martio, O.; Ryazanov, V.; Vuorinen, M. 65 2006 Mappings with finite length distortion. Zbl 1084.30021 Martio, O.; Ryazanov, V.; Srebro, U.; Yakubov, E. 57 2004 Finite mean oscillation in the mapping theory. Zbl 1155.30344 Ignat’ev, Andreĭ A.; Ryazanov, Vladimir I. 56 2005 Infinitesimal geometry of quasiconformal and bi-Lipschitz mappings in the plane. Zbl 1276.30002 Bojarski, Bogdan; Gutlyanskii, Vladimir; Martio, Olli; Ryazanov, Vladimir 54 2013 On ring solutions of Beltrami equations. Zbl 1087.30019 Ryazanov, V.; Srebro, U.; Yakubov, E. 49 2005 The Beltrami equations and prime ends. Zbl 1335.30007 Gutlyanskii, Vladimir; Ryazanov, Vladimir; Yakubov, Eduard 45 2015 Toward the theory of Orlicz-Sobolev classes. Zbl 1318.46022 Kovtonyuk, D. A.; Ryazanov, V. I.; Salimov, R. R.; Sevost’yanov, E. A. 41 2014 BMO-quasiconformal mappings. Zbl 1011.30020 Ryazanov, V.; Srebro, U.; Yakubov, E. 40 2001 On \(Q\)-homeomorphisms. Zbl 1071.30019 Martio, O.; Ryazanov, V.; Srebro, U.; Yakubov, E. 39 2005 Equicontinuous classes of ring \(Q\)-homeomorphisms. Zbl 1164.30364 Ryazanov, V. I.; Sevost’yanov, E. A. 37 2007 On strong solutions of the Beltrami equations. Zbl 1184.30013 Ryazanov, V.; Srebro, U.; Yakubov, E. 33 2010 Integral conditions in the theory of the Beltrami equations. Zbl 1304.30030 Ryazanov, V.; Srebro, U.; Yakubov, E. 31 2012 Toward the theory of ring \(Q\)-homeomorphisms. Zbl 1161.30009 Ryazanov, V.; Sevost’yanov, E. 28 2008 Finite mean oscillation and the Beltrami equation. Zbl 1134.30013 Ryazanov, Vladimir; Srebro, Uri; Yakubov, Eduard 27 2006 On the theory of mappings with finite area distortion. Zbl 1221.30057 Kovtonyk, Denis; Ryazanov, Vladimir 27 2008 On convergence analysis of space homeomorphisms. Zbl 1350.58002 Ryazanov, V. I.; Salimov, R. R.; Sevostyanov, E. A. 27 2013 \(Q\)-homeomorphisms. Zbl 1069.30039 Martio, O.; Ryazanov, V.; Srebro, U.; Yakubov, E. 24 2004 On the Beltrami equations with two characteristics. Zbl 1177.30021 Bojarski, B.; Gutlyanski, V.; Ryazanov, V. 23 2009 Equicontinuity of mappings quasiconformal in the mean. Zbl 1218.30066 Ryazanov, Vladimir; Sevost’yanov, Evgeniĭ 23 2011 Boundary behavior and the Dirichlet problem for Beltrami equations. Zbl 1302.30050 Kovtonyuk, D. A.; Petkov, I. V.; Ryazanov, V. I.; Salimov, R. R. 22 2014 On mappings in the Orlicz–Sobolev classes on Riemannian manifolds. Zbl 1268.58008 Afanasieva, Elena S.; Ryazanov, Vladimir I. 21 2012 Prime ends and Orlicz-Sobolev classes. Zbl 1352.30023 Kovtonyuk, D. A.; Ryazanov, V. I. 21 2016 Geometric and topological theory of functions and mappings. (Геометрическая и топологическая теория функций и отображений.) Zbl 1349.30004 Gutlyanskiĭ, V. Ya.; Ryazanov, V. I. 20 2011 On integral conditions in the mapping theory. Zbl 1296.30032 Ryazanov, Vladimir; Srebro, Uri; Yakubov, Eduard 19 2011 On boundary value problems for the Beltrami equations. Zbl 1320.30042 Ryazanov, Vladimir; Salimov, Ruslan; Srebro, Uri; Yakubov, Eduard 19 2013 BMO and injectivity of space quasiregular mappings. Zbl 0935.30016 Martio, Olli; Ryazanov, Vladimir; Vuorinen, Matti 18 1999 On the theory of prime ends for space mappings. Zbl 1351.30007 Kovtonyuk, D. A.; Ryazanov, V. I. 17 2015 On mean quasiconformal mappings. Zbl 0877.30009 Ryazanov, V. I. 16 1996 On the Riemann-Hilbert problem without index? Zbl 1324.31002 Ryazanov, Vladimir 16 2014 On the boundary-value problems for quasiconformal functions in the plane. Zbl 1343.30032 Gutlyanskii, Vladimir; Ryazanov, Vladimir; Yefimushkin, Artem 15 2016 On mappings in the Orlicz-Sobolev classes. Zbl 1274.30092 Kovtonyuk, Denis; Ryazanov, Vladimir; Salimov, Ruslan; Sevost’yanov, Evgeny 15 2012 Infinitesimal geometry of quasilinear mappings. Zbl 0938.30014 Gutlyanskij, V. Ya.; Martio, O.; Ryazanov, V. I.; Vuorinen, M. 14 2000 On boundary behavior of generalized quasi-isometries. Zbl 1310.30022 Kovtonyuk, Denis; Ryazanov, Vladimir 14 2011 On recent advances in the Beltrami equations. Zbl 1280.30009 Gutlyanskiĭ, Vladimir; Ryazanov, Vladimir; Srebro, Uri; Yakubov, Eduard 14 2011 Infinite dimension of solutions of the Dirichlet problem. Zbl 1353.31004 Ryazanov, Vladimir 13 2015 On convergence theorems for space quasiregular mappings. Zbl 0907.30024 Gutlyanskij, V. Ya.; Martio, O.; Ryazanov, V. I.; Vuorinen, M. 12 1998 On a model semilinear elliptic equation in the plane. Zbl 1369.35015 Gutlyanskiĭ, Vladimir; Nesmelova, Olga; Ryazanov, Vladimir 12 2017 On quasiconformal maps and semilinear equations in the plane. Zbl 1392.35145 Gutlyanskiĭ, Vladimir; Nesmelova, Olga; Ryazanov, Vladimir 12 2018 On integral conditions for the general Beltrami equations. Zbl 1325.30024 Bojarski, Bogdan; Gutlyanski, Vladimir; Ryazanov, Vladimir 12 2011 On the theory of boundaries of space domains. Zbl 1137.30321 Kovtonyuk, D. A.; Ryazanov, V. I. 11 2006 On existence and representation of solutions for general degenerate Beltrami equations. Zbl 1387.30021 Bojarski, B.; Gutlyanskii, V.; Ryazanov, V. 11 2014 The Beltrami equation and FMO functions. Zbl 1096.30020 Ryazanov, V.; Srebro, U.; Yakubov, E. 11 2005 Prime ends in the Sobolev mapping theory on Riemann surfaces. Zbl 1414.30048 Ryazanov, V.; Volkov, S. 11 2017 On local injectivity and asymptotic linearity of quasiregular mappings. Zbl 0893.30012 Gutlyanskiĭ, V. Ya.; Martio, O.; Ryazanov, V. I.; Vuorinen, M. 10 1998 On the theory of \(Q(x)\)-homeomorphisms. Zbl 1074.30020 Martio, O.; Ryazanov, V.; Srebro, U.; Yakubov, E. 10 2001 On the theory of the boundary behavior of conjugate harmonic functions. Zbl 1429.31001 Ryazanov, Vladimir 10 2019 On the local behaviour of quasi-conformal mappings. Zbl 0895.30015 Gutlyanskij, V. Ya.; Ryazanov, V. I. 9 1995 Plane mappings with dilatation dominated by functions of bounded mean oscillation. Zbl 0989.30015 Ryazanov, V.; Srebro, U.; Yakubov, E. 9 2001 Stieltjes integrals in the theory of harmonic functions. Zbl 1435.28004 Ryazanov, V. I. 9 2019 On a quasilinear Poisson equation in the plane. Zbl 1433.35136 Gutlyanskiĭ, Vladimir; Nesmelova, Olga; Ryazanov, Vladimir 9 2020 Existence theorems for Beltrami equations with measure constraints. Zbl 1249.30069 Ryazanov, V.; Srebro, U; Yakubov, E. 8 2007 Equicontinuity of mean quasiconformal mappings. Zbl 1234.30022 Ryazanov, V. I.; Sevost’yanov, E. A. 8 2011 New modulus estimates in Orlicz-Sobolev classes. Zbl 1324.30063 Kovtonyuk, Denis; Ryazanov, Vladimir 8 2014 On the Dirichlet problem for the Beltrami equation. Zbl 1298.30017 Kovtonyuk, D.; Petkov, I.; Ryazanov, V.; Salimov, R. 8 2014 On the Hölder property of mappings in domains and on boundaries. Zbl 1451.30046 Ryazanov, Vladimir I.; Salimov, Ruslan R.; Sevost’yanov, Evgenii A. 8 2020 On Hilbert and Riemann problems for generalized analytic functions and applications. Zbl 1456.30087 Ryazanov, Vladimir 8 2021 On the Riemann-Hilbert problem for the Beltrami equations. Zbl 1350.31005 Yefimushkin, Artyem; Ryazanov, Vladimir 8 2016 On Neumann and Poincare problems for Laplace equation. Zbl 1382.31001 Ryazanov, Vladimir 8 2017 On the boundary behaviour of solutions to the Beltrami equations. Zbl 1304.30029 Kovtonyuk, Denis; Petkov, Igor; Ryazanov, Vladimir 8 2013 To the theory of semilinear equations in the plane. Zbl 1433.35118 Gutlyanskiĭ, Vladimir; Nesmelova, Olga; Ryazanov, Vladimir 8 2019 On the local behaviour of quasi-regular space mappings. Zbl 0932.30017 Vuorinen, M.; Martio, O.; Ryazanov, V. I. 7 1998 On the Dirichlet problem for the Beltrami equations in finitely connected domains. Zbl 1276.30039 Kovtonyuk, D. A.; Petkov, I. V.; Ryazanov, V. I. 7 2012 On the theory of the Beltrami equation. Zbl 1112.30015 Ryazanov, V.; Srebro, U.; Yakubov, E. 7 2006 On the Riemann-Hilbert problem for the Beltrami equations in quasidisks. Zbl 1338.30028 Efimushkin, Artem S.; Ryazanov, Vladimir I. 7 2015 On asymptotically conformal curves. Zbl 0819.30011 Gutlyanskij, V. Ya.; Ryazanov, V. I. 6 1994 Weakly flat boundaries in metric spaces. Zbl 1150.30333 Ryazanov, V. L.; Salimov, R. R. 6 2007 On the theory of boundary behavior of spatial mappings. Zbl 1182.30031 Ignat’ev, Andreĭ A.; Ryazanov, Vladimir I. 6 2006 On Hilbert boundary value problem for Beltrami equation. Zbl 1455.30011 Gutlyanskii, Vladimir; Ryazanov, Vladimir; Yakubov, Eduard; Yefimushkin, Artyem 6 2020 Some questions of convergence and compactness for quasiconformal mappings. Zbl 0594.30025 Ryazanov, V. I. 6 1986 Boundary behavior of Orlicz-Sobolev classes. Zbl 1325.30025 Kovtonyuk, D. A.; Ryazanov, V. I.; Salimov, R. R.; Sevost’yanov, E. A. 6 2014 Quasiconformal mappings with restrictions in measure. Zbl 0814.30014 Ryazanov, V. I. 6 1993 Logarithmic potential and generalized analytic functions. Zbl 1469.30100 Gutlyanskiĭ, V.; Nesmelova, O.; Ryazanov, V.; Yefimushkin, A. 6 2021 Semi-linear equations and quasiconformal mappings. Zbl 1436.35080 Gutlyanski, Vladimir; Nesmelova, Olga; Ryazanov, Vladimir 6 2020 On the Hilbert boundary-value problem for Beltrami equations with singularities. Zbl 1462.30088 Gutlyanskiĭ, Vladimir; Ryazanov, Vladimir; Yakubov, Eduard; Yefimushkin, Artyem 5 2021 BMO and Dirichlet problem for degenerate Beltrami equation. Zbl 1509.30011 Gutlyanskii, Vladimir; Ryazanov, Vladimir; Sevost’yanov, Evgeny; Yakubov, Eduard 5 2022 Quasiconformal mappings with integral constraints on M. A. Lavrent’ev’s characteristic. Zbl 0714.30022 Gutlyanskij, V. Ya.; Ryazanov, V. I. 4 1990 On the Dirichlet problem for general degenerate Beltrami equations. Zbl 1316.30040 Bojarski, Bogdan; Gutlyanski, Vladimir; Ryazanov, Vladimir 4 2012 Moduli in modern mapping theory. Zbl 1212.30086 Ryazanov, Vladimir; Srebro, Uri; Yakubov, Eduard 4 2009 On boundary-value problems for semi-linear equations in the plane. Zbl 1480.30011 Gutlyanskiĭ, Vladimir; Nesmelova, Olga; Ryazanov, Vladimir; Yefimushkin, Artyem 4 2021 On the boundary behavior of mappings with finite distortion in the plane. Zbl 1369.30019 Kovtonyuk, D.; Petkov, I.; Ryazanov, V. 4 2017 On boundary behavior of spatial mappings. Zbl 1389.30103 Kovtonyuk, Denis; Ryazanov, Vladimir 4 2016 On Hilbert and Riemann problems. An alternative approach. Zbl 1389.30148 Ryazanov, Vladimir 4 2015 On the degenerate Beltrami equation and hydrodynamic normalization. Zbl 1493.30048 Gutlyanskii, Vladimir; Ryazanov, Vladimir; Sevost’yanov, Evgeny; Yakubov, Eduard 4 2022 To the theory of variational method for Beltrami equations. Zbl 1283.30050 Gutlyanskiĭ, Vladimir Ya.; Lomako, Tat’yana V.; Ryazanov, Vladimir I. 3 2012 Theory of variational methods for the Beltrami equations. Zbl 1249.30057 Lomako, T. V.; Ryazanov, V. I. 3 2011 Uniqueness of approximate solutions of Beltrami equations. Zbl 1249.30050 Kolomoitsev, Iu. S.; Ryazanov, V. I. 3 2009 Toward the theory of generalized quasi-isometries. Zbl 1224.30109 Kovtonyuk, D. A.; Ryazanov, V. I. 3 2010 Convergence of characteristics of quasiconformal maps. Zbl 0607.30017 Ryazanov, V. I. 3 1986 On quasiconformal mappings with integral constraints upon Lavrent’ev’s characteristic. Zbl 0704.30025 Gutlyanskij, V. Ya.; Ryazanov, V. I. 3 1990 On quasicircles and asymptotically conformal curves. Zbl 0822.30020 Gutlyanskij, V. Ya.; Ryazanov, V. I. 3 1993 Normal families of spaces mappings. Zbl 1117.30015 Ryazanov, V. I.; Sevost’yanov, E. A. 3 2006 Dirichlet problem for the general Beltrami equation in Jordan domains. Zbl 1283.30049 Bojarski, Bogdan; Gutlyanskiǐ, Vladimir; Ryazanov, Vladimir 3 2013 On convergence and compactness theorems for ACL homeomorphisms. Zbl 0869.30012 Ryazanov, Vladimir 2 1996 On the noncompactness of David classes. Zbl 0911.30016 Potyemkin, V.; Ryazanov, V. 2 1998 On the asymptotic behavior of quasiconformal mappings in space. Zbl 0892.30021 Gutlyanskij, V. Ya.; Martio, O.; Ryazanov, V. I.; Vuorinen, M. 2 1998 A closure theorem for quasiconformal mappings with integral constraints. Zbl 0757.30025 Ryazanov, V. I. 2 1990 On the compactification of classes with integral constraints on the Lavrent’ev characteristic. Zbl 0788.30010 Ryazanov, V. I. 2 1992 To the theory of BMO-quasiregular mappings. Zbl 1042.30009 Ryazanov, V.; Srebro, U.; Yakubov, E. 2 1999 On the Hilbert problem for semi-linear Beltrami equations. Zbl 1516.30059 Gutlyanskiĭ, Vladimir; Ryazanov, Vladimir; Nesmelova, Olga; Yakubov, Eduard 2 2023 \(A\)-harmonic equation and cavitation. Zbl 1516.30029 Gutlyanskii, Vladimir; Martio, Olli; Ryazanov, Vladimir 2 2023 Toward the theory of semi-linear Beltrami equations. Zbl 1538.30094 Gutlyanskii, Vladimir; Nesmelova, Olga; Ryazanov, Vladimir; Yakubov, Eduard 1 2023 On Hölder continuity of solutions to the Beltrami equations. Zbl 1526.30061 Ryazanov, V.; Salimov, R.; Sevost’yanov, E. 1 2023 The Dirichlet problem for the Beltrami equations with sources. Zbl 1521.30056 Gutlyanskiĭ, Vladimir; Ryazanov, Vladimir; Nesmelova, Olga; Yakubov, Eduard 1 2023 Hilbert and Poincaré problems for semi-linear equations in rectifiable domains. Zbl 1536.30060 Ryazanov, Vladimir 1 2023 BMO and Dirichlet problem for degenerate Beltrami equation. Zbl 1509.30011 Gutlyanskii, Vladimir; Ryazanov, Vladimir; Sevost’yanov, Evgeny; Yakubov, Eduard 5 2022 On the degenerate Beltrami equation and hydrodynamic normalization. Zbl 1493.30048 Gutlyanskii, Vladimir; Ryazanov, Vladimir; Sevost’yanov, Evgeny; Yakubov, Eduard 4 2022 On Hilbert and Riemann problems for generalized analytic functions and applications. Zbl 1456.30087 Ryazanov, Vladimir 8 2021 Logarithmic potential and generalized analytic functions. Zbl 1469.30100 Gutlyanskiĭ, V.; Nesmelova, O.; Ryazanov, V.; Yefimushkin, A. 6 2021 On the Hilbert boundary-value problem for Beltrami equations with singularities. Zbl 1462.30088 Gutlyanskiĭ, Vladimir; Ryazanov, Vladimir; Yakubov, Eduard; Yefimushkin, Artyem 5 2021 On boundary-value problems for semi-linear equations in the plane. Zbl 1480.30011 Gutlyanskiĭ, Vladimir; Nesmelova, Olga; Ryazanov, Vladimir; Yefimushkin, Artyem 4 2021 On a quasilinear Poisson equation in the plane. Zbl 1433.35136 Gutlyanskiĭ, Vladimir; Nesmelova, Olga; Ryazanov, Vladimir 9 2020 On the Hölder property of mappings in domains and on boundaries. Zbl 1451.30046 Ryazanov, Vladimir I.; Salimov, Ruslan R.; Sevost’yanov, Evgenii A. 8 2020 On Hilbert boundary value problem for Beltrami equation. Zbl 1455.30011 Gutlyanskii, Vladimir; Ryazanov, Vladimir; Yakubov, Eduard; Yefimushkin, Artyem 6 2020 Semi-linear equations and quasiconformal mappings. Zbl 1436.35080 Gutlyanski, Vladimir; Nesmelova, Olga; Ryazanov, Vladimir 6 2020 The Dirichlet problem for the Poisson type equations in the plane. Zbl 1449.30085 Gutlyanskiĭ, V. Ya.; Nesmelova, O. V.; Ryazanov, V. I. 2 2020 On boundary extension of Sobolev classes with critical exponent by prime ends. Zbl 1456.30044 Afanas’eva, E.; Ryazanov, V.; Salimov, R.; Sevost’yanov, E. 2 2020 On the theory of the boundary behavior of conjugate harmonic functions. Zbl 1429.31001 Ryazanov, Vladimir 10 2019 Stieltjes integrals in the theory of harmonic functions. Zbl 1435.28004 Ryazanov, V. I. 9 2019 To the theory of semilinear equations in the plane. Zbl 1433.35118 Gutlyanskiĭ, Vladimir; Nesmelova, Olga; Ryazanov, Vladimir 8 2019 To the theory of mappings of the Sobolev class with the critical index. Zbl 1422.30033 Afanas’eva, Elena S.; Ryazanov, Vladimir I.; Salimov, Ruslan R. 2 2019 On boundary value problems in domains without \((A)\)-condition. Zbl 1424.35177 Gutlyanskiĭ, V. Ya.; Ryazanov, V. I.; Yakubov, E.; Yefimushkin, A. S. 1 2019 On semilinear equations in the complex plane. Zbl 1438.35167 Gutlyanskiĭ, V. Ya.; Nesmelova, O. V.; Ryazanov, V. I. 1 2019 Toward the theory of the Sobolev classes with critical exponent. Zbl 1438.30119 Afanas’eva, O. S.; Ryazanov, V. I.; Salimov, R. R. 1 2019 On quasiconformal maps and semilinear equations in the plane. Zbl 1392.35145 Gutlyanskiĭ, Vladimir; Nesmelova, Olga; Ryazanov, Vladimir 12 2018 Quasiconformal mappings in the theory of semi-linear equations. Zbl 1412.35130 Gutlyanskiĭ, V.; Ryazanov, V. 2 2018 The Cauchy-Stieltjes integrals in the theory of analytic functions. Zbl 1404.30041 Ryazanov, Vladimir I. 2 2018 Semilinear equations in the plane with measurable data. Zbl 1399.30150 Gutlyanskiĭ, V. Ya.; Nesmelova, O. V.; Ryazanov, V. I. 1 2018 On blow-up solutions and dead zones in semilinear equations. Zbl 1399.30151 Gutlyanskiĭ, V. Ya.; Nesmelova, O. V.; Ryazanov, V. I. 1 2018 On the regularity of solutions of quasilinear Poisson equations. Zbl 1413.31002 Gutlyanskiĭ, V. Ya.; Nesmelova, O. V.; Ryazanov, V. L. 1 2018 On a model semilinear elliptic equation in the plane. Zbl 1369.35015 Gutlyanskiĭ, Vladimir; Nesmelova, Olga; Ryazanov, Vladimir 12 2017 Prime ends in the Sobolev mapping theory on Riemann surfaces. Zbl 1414.30048 Ryazanov, V.; Volkov, S. 11 2017 On Neumann and Poincare problems for Laplace equation. Zbl 1382.31001 Ryazanov, Vladimir 8 2017 On the boundary behavior of mappings with finite distortion in the plane. Zbl 1369.30019 Kovtonyuk, D.; Petkov, I.; Ryazanov, V. 4 2017 Semilinear equations in a plane and quasiconformal mappings. Zbl 1374.35132 Gutlyanskiĭ, V. Ya.; Nesmelova, O. V.; Ryazanov, V. I. 2 2017 Prime ends on the Riemann surfaces. Zbl 1389.30099 Ryazanov, V. I.; Volkov, S. V. 1 2017 On recent advances in boundary-value problems in the plane. Zbl 1387.30058 Gutlyanskiĭ, Vladimir Ya.; Ryazanov, Vladimir I. 1 2017 Prime ends and Orlicz-Sobolev classes. Zbl 1352.30023 Kovtonyuk, D. A.; Ryazanov, V. I. 21 2016 On the boundary-value problems for quasiconformal functions in the plane. Zbl 1343.30032 Gutlyanskii, Vladimir; Ryazanov, Vladimir; Yefimushkin, Artem 15 2016 On the Riemann-Hilbert problem for the Beltrami equations. Zbl 1350.31005 Yefimushkin, Artyem; Ryazanov, Vladimir 8 2016 On boundary behavior of spatial mappings. Zbl 1389.30103 Kovtonyuk, Denis; Ryazanov, Vladimir 4 2016 On the theory of the boundary behaviour of mappings of the Sovolev class on Riemann surfaces. Zbl 1363.53026 Volkov, S. V.; Ryazanov, V. I. 2 2016 On the Riemann-Hilbert problem in multiply connected domains. Zbl 1351.31001 Ryazanov, Vladimir 1 2016 The Beltrami equations and prime ends. Zbl 1335.30007 Gutlyanskii, Vladimir; Ryazanov, Vladimir; Yakubov, Eduard 45 2015 On the theory of prime ends for space mappings. Zbl 1351.30007 Kovtonyuk, D. A.; Ryazanov, V. I. 17 2015 Infinite dimension of solutions of the Dirichlet problem. Zbl 1353.31004 Ryazanov, Vladimir 13 2015 On the Riemann-Hilbert problem for the Beltrami equations in quasidisks. Zbl 1338.30028 Efimushkin, Artem S.; Ryazanov, Vladimir I. 7 2015 On Hilbert and Riemann problems. An alternative approach. Zbl 1389.30148 Ryazanov, Vladimir 4 2015 Toward the theory of Orlicz-Sobolev classes. Zbl 1318.46022 Kovtonyuk, D. A.; Ryazanov, V. I.; Salimov, R. R.; Sevost’yanov, E. A. 41 2014 Boundary behavior and the Dirichlet problem for Beltrami equations. Zbl 1302.30050 Kovtonyuk, D. A.; Petkov, I. V.; Ryazanov, V. I.; Salimov, R. R. 22 2014 On the Riemann-Hilbert problem without index? Zbl 1324.31002 Ryazanov, Vladimir 16 2014 On existence and representation of solutions for general degenerate Beltrami equations. Zbl 1387.30021 Bojarski, B.; Gutlyanskii, V.; Ryazanov, V. 11 2014 New modulus estimates in Orlicz-Sobolev classes. Zbl 1324.30063 Kovtonyuk, Denis; Ryazanov, Vladimir 8 2014 On the Dirichlet problem for the Beltrami equation. Zbl 1298.30017 Kovtonyuk, D.; Petkov, I.; Ryazanov, V.; Salimov, R. 8 2014 Boundary behavior of Orlicz-Sobolev classes. Zbl 1325.30025 Kovtonyuk, D. A.; Ryazanov, V. I.; Salimov, R. R.; Sevost’yanov, E. A. 6 2014 On equicontinuity of ring \(Q\)-mappings. Zbl 1302.30024 Ryazanov, V.; Sevost’yanov, E.; Srebro, U.; Yakubov, E. 1 2014 Infinitesimal geometry of quasiconformal and bi-Lipschitz mappings in the plane. Zbl 1276.30002 Bojarski, Bogdan; Gutlyanskii, Vladimir; Martio, Olli; Ryazanov, Vladimir 54 2013 On convergence analysis of space homeomorphisms. Zbl 1350.58002 Ryazanov, V. I.; Salimov, R. R.; Sevostyanov, E. A. 27 2013 On boundary value problems for the Beltrami equations. Zbl 1320.30042 Ryazanov, Vladimir; Salimov, Ruslan; Srebro, Uri; Yakubov, Eduard 19 2013 On the boundary behaviour of solutions to the Beltrami equations. Zbl 1304.30029 Kovtonyuk, Denis; Petkov, Igor; Ryazanov, Vladimir 8 2013 Dirichlet problem for the general Beltrami equation in Jordan domains. Zbl 1283.30049 Bojarski, Bogdan; Gutlyanskiǐ, Vladimir; Ryazanov, Vladimir 3 2013 On convergence and compactness of spatial homeomorphisms. Zbl 1299.30065 Ryazanov, v.; Sevost’yanov, E. 1 2013 On the convergence of spatial homeomorphisms. Zbl 1307.30054 Ryazanov, V. I.; Sevost’yanov, E. A. 1 2013 The Beltrami equation. A geometric approach. Zbl 1248.30001 Gutlyanskiĭ, Vladimir; Ryazanov, Vladimir; Srebro, Uri; Yakubov, Eduard 80 2012 Integral conditions in the theory of the Beltrami equations. Zbl 1304.30030 Ryazanov, V.; Srebro, U.; Yakubov, E. 31 2012 On mappings in the Orlicz–Sobolev classes on Riemannian manifolds. Zbl 1268.58008 Afanasieva, Elena S.; Ryazanov, Vladimir I. 21 2012 On mappings in the Orlicz-Sobolev classes. Zbl 1274.30092 Kovtonyuk, Denis; Ryazanov, Vladimir; Salimov, Ruslan; Sevost’yanov, Evgeny 15 2012 On the Dirichlet problem for the Beltrami equations in finitely connected domains. Zbl 1276.30039 Kovtonyuk, D. A.; Petkov, I. V.; Ryazanov, V. I. 7 2012 On the Dirichlet problem for general degenerate Beltrami equations. Zbl 1316.30040 Bojarski, Bogdan; Gutlyanski, Vladimir; Ryazanov, Vladimir 4 2012 To the theory of variational method for Beltrami equations. Zbl 1283.30050 Gutlyanskiĭ, Vladimir Ya.; Lomako, Tat’yana V.; Ryazanov, Vladimir I. 3 2012 On the boundary behavior of solutions of the Beltrami equations. Zbl 1279.30034 Kovtonyuk, D. A.; Petkov, I. V.; Ryazanov, V. I. 2 2012 On compactness of Orlicz-Sobolev mappings. Zbl 1274.30093 Ryazanov, Vladimir; Sevost’yanov, Evgeny 2 2012 Equicontinuity of mappings quasiconformal in the mean. Zbl 1218.30066 Ryazanov, Vladimir; Sevost’yanov, Evgeniĭ 23 2011 Geometric and topological theory of functions and mappings. (Геометрическая и топологическая теория функций и отображений.) Zbl 1349.30004 Gutlyanskiĭ, V. Ya.; Ryazanov, V. I. 20 2011 On integral conditions in the mapping theory. Zbl 1296.30032 Ryazanov, Vladimir; Srebro, Uri; Yakubov, Eduard 19 2011 On boundary behavior of generalized quasi-isometries. Zbl 1310.30022 Kovtonyuk, Denis; Ryazanov, Vladimir 14 2011 On recent advances in the Beltrami equations. Zbl 1280.30009 Gutlyanskiĭ, Vladimir; Ryazanov, Vladimir; Srebro, Uri; Yakubov, Eduard 14 2011 On integral conditions for the general Beltrami equations. Zbl 1325.30024 Bojarski, Bogdan; Gutlyanski, Vladimir; Ryazanov, Vladimir 12 2011 Equicontinuity of mean quasiconformal mappings. Zbl 1234.30022 Ryazanov, V. I.; Sevost’yanov, E. A. 8 2011 Theory of variational methods for the Beltrami equations. Zbl 1249.30057 Lomako, T. V.; Ryazanov, V. I. 3 2011 Regular domains in the theory of mappings on Riemann manifolds. Zbl 1249.30061 Afanas’eva, E. S.; Ryazanov, V. I. 2 2011 On a theorem of Lindelöf. Zbl 1252.30017 Gutlyanskiĭ, Vladimir; Martio, Olli; Ryazanov, Vladimir 2 2011 Orlicz-Sobolev classes and lower \(Q\)-homeomorphisms. Zbl 1249.30053 Kovtonyuk, D. A.; Ryazanov, V. I.; Salimov, R. R.; Sevost’yanov, E. A. 1 2011 On a variational method for the Beltrami equations. Zbl 1249.30068 Lomako, Tatyana; Ryazanov, Vladimir 1 2011 On boundary behaviour of regular solutions of Beltrami equations. Zbl 1249.30052 Kovtonyuk, D. A.; Petkov, I. V.; Ryazanov, V. I. 1 2011 On strong solutions of the Beltrami equations. Zbl 1184.30013 Ryazanov, V.; Srebro, U.; Yakubov, E. 33 2010 Toward the theory of generalized quasi-isometries. Zbl 1224.30109 Kovtonyuk, D. A.; Ryazanov, V. I. 3 2010 The Beltrami equations and lower \(Q\)-homeomorphisms. Zbl 1249.30051 Kovtonyuk, D. A.; Petkov, I. V.; Ryazanov, V. I. 1 2010 Moduli in modern mapping theory. Zbl 1175.30020 Martio, Olli; Ryazanov, Vladimir; Srebro, Uri; Yakubov, Eduard 237 2009 On the Beltrami equations with two characteristics. Zbl 1177.30021 Bojarski, B.; Gutlyanski, V.; Ryazanov, V. 23 2009 Moduli in modern mapping theory. Zbl 1212.30086 Ryazanov, Vladimir; Srebro, Uri; Yakubov, Eduard 4 2009 Uniqueness of approximate solutions of Beltrami equations. Zbl 1249.30050 Kolomoitsev, Iu. S.; Ryazanov, V. I. 3 2009 Toward the theory of ring \(Q\)-homeomorphisms. Zbl 1161.30009 Ryazanov, V.; Sevost’yanov, E. 28 2008 On the theory of mappings with finite area distortion. Zbl 1221.30057 Kovtonyk, Denis; Ryazanov, Vladimir 27 2008 Equicontinuous classes of ring \(Q\)-homeomorphisms. Zbl 1164.30364 Ryazanov, V. I.; Sevost’yanov, E. A. 37 2007 Existence theorems for Beltrami equations with measure constraints. Zbl 1249.30069 Ryazanov, V.; Srebro, U; Yakubov, E. 8 2007 Weakly flat boundaries in metric spaces. Zbl 1150.30333 Ryazanov, V. L.; Salimov, R. R. 6 2007 The Cantor function. Zbl 1098.26006 Dovgoshey, O.; Martio, O.; Ryazanov, V.; Vuorinen, M. 65 2006 Finite mean oscillation and the Beltrami equation. Zbl 1134.30013 Ryazanov, Vladimir; Srebro, Uri; Yakubov, Eduard 27 2006 ...and 49 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 334 Authors 107 Sevost’yanov, Yevgen Oleksandrovych 66 Ryazanov, Vladimir Il’ich 57 Salimov, Ruslan Radikovich 32 Gutlyanskiĭ, Vladimir Ya. 20 Golberg, Anatoly 20 Ukhlov, Alexander Dadar-Oolovich 18 Yakubov, Eduard H. 16 Afanas’eva, Elena Sergeevna 13 Dovhopiatyi, Oleksandr Petrovych 12 Skvortsov, Sergei Aleksandrovich 11 Vodop’yanov, Sergeĭ Konstantinovich 10 Gol’dshtein, Vladimir Mikhailovich 10 Nesmelova, Ol’ga Vladimirovna 10 Srebro, Uri 9 Klishchuk, Bogdan Anatol’evich 9 Kovtonyuk, D. A. 8 Fernández-Sánchez, Juan 8 Stefanchuk, Mariia V. 7 Fletcher, Alastair N. 6 Il’yutko, Denis Petrovich 6 Martio, Olli 5 Ilkevych, N. S. 5 Koskela, Pekka 5 Lomako, Tetiana 5 Nguyen Cong Phuc 5 Pchelintsev, Valery Anatol’evich 4 Abdullayev, Fahreddin G. 4 Bojarski, Bogdan 4 Chuĭko, Sergeĭ Mikhaĭlovich 4 Chuiko, Sergii Mykhailovych 4 Diaz Carrillo, Manuel 4 Rajala, Kai 4 Shutovskyi, Arsen M. 3 Fässler, Katrin S. 3 Ilkevych, Nataliya 3 Kovtonyuk, Denis 3 Krushkal, Samuel L. 3 Mateljević, Miodrag S. 3 Mengesha, Tadele 3 Menovschikov, Alexander 3 Nasyrov, Semen R. 3 Petrov, Evgenii Aleksandrovich 3 Ryazanov, Vladimir 3 Skvortsov, Serhii Oleksandrovych 3 Tengvall, Ville 3 Tryamkin, Maksim Vladimirovich 3 Volkov, Sergei S. 3 Yefimushkin, Artyem 2 Adamowicz, Tomasz 2 Arsenović, Miloš 2 Bakhtin, Oleksandr Konstyantynovych 2 Balogh, Zoltán M. 2 Byun, Sun-Sig 2 Chuiko, Serhiy M. 2 De Amo, Enrique 2 Honzlová Exnerová, Vendula 2 Hrabova, Ulyana Z. 2 Kalaj, David 2 Kalchuk, Inna V. 2 Macclure, Douglas 2 Malý, Jan 2 Malyutina, Aleksandra Nikolaevna 2 Molchanova, Anastasia Olegovna 2 Nesmelova, Ol’ga Volodymyrivna 2 Paradís, Jaume 2 Petkov, I. V. 2 Petkov, Igor 2 Pratscher, Jacob 2 Sakhnyuk, Vasyl Ye. 2 Seoane-Sepúlveda, Juan Benigno 2 Shlyk, Vladimir Alekseevich 2 Targonskii, Valery 2 Úbeda-Flores, Manuel 2 Viader, Pelegrí 2 Vuorinen, Matti Keijo Kustaa 2 Xiao, Jie 1 Abdullayev, Gülnara A. 1 Adimurthi, Karthik 1 Aït-Sahalia, Yacine 1 Alarcón, Antonio 1 Alberge, Vincent 1 Aliaga, Ramón J. 1 Alipova, Kseniya Aleksandrovna 1 Armstrong, Jordan 1 Astala, Kari 1 Balcerzak, Marek 1 Băleanu, Dumitru I. 1 Bandura, Andriĭ 1 Banič, Iztok 1 Bär, Christian 1 Barabash, Oleg V. 1 Barseghyan, Diana 1 Bartoszewicz, Artur 1 Bauer, Thomas 1 Benjemaa, Mondher 1 Bernal-Gonzàlez, Luis 1 Betsakos, Dimitrios 1 Beutner, Eric 1 Bilet, Viktoriia Viktorivna 1 Björn, Anders ...and 234 more Authors all top 5 Cited in 111 Serials 96 Journal of Mathematical Sciences (New York) 51 Ukrainian Mathematical Journal 30 Complex Variables and Elliptic Equations 21 Siberian Mathematical Journal 15 Analysis and Mathematical Physics 14 Complex Analysis and Operator Theory 12 Lobachevskii Journal of Mathematics 11 Journal d’Analyse Mathématique 11 Mathematical Notes 8 Israel Journal of Mathematics 8 Journal of Mathematical Analysis and Applications 8 Matematychni Studiï 7 St. Petersburg Mathematical Journal 7 Computational Methods and Function Theory 6 Advances in Mathematics 6 Transactions of the American Mathematical Society 6 Acta Mathematica Hungarica 6 Annales Academiae Scientiarum Fennicae. Mathematica 5 Proceedings of the American Mathematical Society 4 Russian Mathematics 4 Vladikavkazskiĭ Matematicheskiĭ Zhurnal 4 Annales Fennici Mathematici 3 Archive for Rational Mechanics and Analysis 3 Mathematische Zeitschrift 3 Michigan Mathematical Journal 3 Stochastic Processes and their Applications 3 Sbornik: Mathematics 3 Doklady Mathematics 3 Conformal Geometry and Dynamics 3 Vestnik Tomskogo Gosudarstvennogo Universiteta. Matematika i Mekhanika 3 Open Mathematics 2 Bulletin of the Australian Mathematical Society 2 Journal of Differential Equations 2 Journal of Functional Analysis 2 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 2 Topology and its Applications 2 Calculus of Variations and Partial Differential Equations 2 Matematicheskie Trudy 2 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 1 Analysis Mathematica 1 Communications on Pure and Applied Mathematics 1 Rocky Mountain Journal of Mathematics 1 Scandinavian Journal of Statistics 1 Studia Mathematica 1 Theoretical and Mathematical Physics 1 Beiträge zur Algebra und Geometrie 1 Applied Mathematics and Computation 1 Bulletin of the London Mathematical Society 1 Canadian Mathematical Bulletin 1 Demonstratio Mathematica 1 Fuzzy Sets and Systems 1 Indiana University Mathematics Journal 1 Information Sciences 1 Journal of Computational and Applied Mathematics 1 Journal of Differential Geometry 1 Journal of the Mathematical Society of Japan 1 Manuscripta Mathematica 1 Mathematics and Computers in Simulation 1 Mathematica Slovaca 1 Monatshefte für Mathematik 1 Proceedings of the London Mathematical Society. Third Series 1 Ricerche di Matematica 1 Ergodic Theory and Dynamical Systems 1 Annales de l’Institut Henri Poincaré. Analyse Non Linéaire 1 Probability Theory and Related Fields 1 Revista Matemática Iberoamericana 1 Siberian Advances in Mathematics 1 The Journal of Geometric Analysis 1 Applications of Mathematics 1 Aequationes Mathematicae 1 Journal de Mathématiques Pures et Appliquées. Neuvième Série 1 SIAM Journal on Applied Mathematics 1 Expositiones Mathematicae 1 Journal of Dynamics and Differential Equations 1 Potential Analysis 1 The Journal of Analysis 1 Topological Methods in Nonlinear Analysis 1 Applied Categorical Structures 1 Turkish Journal of Mathematics 1 Georgian Mathematical Journal 1 Filomat 1 Bulletin des Sciences Mathématiques 1 Bernoulli 1 Izvestiya: Mathematics 1 The Journal of Fourier Analysis and Applications 1 Mathematical Problems in Engineering 1 Abstract and Applied Analysis 1 Methodology and Computing in Applied Probability 1 Proceedings of the National Academy of Sciences, India. Section A. Physical Sciences 1 Acta Mathematica Scientia. Series B. (English Edition) 1 Proceedings of Institute of Mathematics and Mechanics. National Academy of Sciences of Azerbaijan 1 Annali della Scuola Normale Superiore di Pisa. Classe di Scienze. Serie V 1 International Journal of Geometric Methods in Modern Physics 1 Mediterranean Journal of Mathematics 1 Sibirskie Èlektronnye Matematicheskie Izvestiya 1 Boundary Value Problems 1 Journal of Mathematical Physics, Analysis, Geometry 1 Proyecciones 1 Frontiers of Mathematics in China 1 The College Mathematics Journal ...and 11 more Serials all top 5 Cited in 44 Fields 351 Functions of a complex variable (30-XX) 57 Partial differential equations (35-XX) 53 Functional analysis (46-XX) 47 Potential theory (31-XX) 40 Real functions (26-XX) 18 Dynamical systems and ergodic theory (37-XX) 17 Differential geometry (53-XX) 14 Measure and integration (28-XX) 13 Probability theory and stochastic processes (60-XX) 12 Ordinary differential equations (34-XX) 12 Global analysis, analysis on manifolds (58-XX) 8 Approximations and expansions (41-XX) 8 Harmonic analysis on Euclidean spaces (42-XX) 8 Operator theory (47-XX) 7 Several complex variables and analytic spaces (32-XX) 7 General topology (54-XX) 7 Numerical analysis (65-XX) 6 Statistics (62-XX) 3 Mathematical logic and foundations (03-XX) 3 Abstract harmonic analysis (43-XX) 3 Computer science (68-XX) 2 Number theory (11-XX) 2 Integral transforms, operational calculus (44-XX) 2 Integral equations (45-XX) 2 Calculus of variations and optimal control; optimization (49-XX) 2 Quantum theory (81-XX) 2 Operations research, mathematical programming (90-XX) 2 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 2 Information and communication theory, circuits (94-XX) 1 Combinatorics (05-XX) 1 General algebraic systems (08-XX) 1 Commutative algebra (13-XX) 1 Algebraic geometry (14-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Associative rings and algebras (16-XX) 1 Category theory; homological algebra (18-XX) 1 Topological groups, Lie groups (22-XX) 1 Geometry (51-XX) 1 Convex and discrete geometry (52-XX) 1 Manifolds and cell complexes (57-XX) 1 Mechanics of deformable solids (74-XX) 1 Fluid mechanics (76-XX) 1 Biology and other natural sciences (92-XX) 1 Mathematics education (97-XX) Citations by Year