Alim Sukhtayev
Associate Professor
Director of Graduate Studies
Department of Mathematics
Miami University
Email: sukhtaa@miamioh.edu
Office: Upham 308C
Phone: (513) 529-2189
Teaching
- MTH246C, MTH451A - Fall 2024
Research Interests
- Applied Analysis, Infinite dimensional dynamical systems and differential equations;
- Spectral theory of differential operators, Stability of traveling waves and periodic patterns;
Grants
- NSF DMS-2317068 (2023-2024), conference grant to support Fall 2023 Mathematics Conference: Differential Equations and Dynamical Systems and Applications. PI: A. Sukhtayev;
- NSF DMS-1910820 (09.01.2019-08.31.2024), 'Spectral Stability and Oscillations of Dynamical Systems, Boltzmann-Like Models'. PI: A. Sukhtayev;
- NSF DMS-1919555 (2019-2020), conference grant to support Fall 2019 Mathematics Conference: Differential Equations and Dynamical Systems and Applications. Co-PI: A. Sukhtayev;
Curriculum Vitae
Publications
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Splitting Quantum Graphs, submitted (with N. Smith)
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Spectral decomposition and decay to grossly determined solutions for a simplified BGK model, J. Funct. Anal. 287 (2024), no. 8, Paper No. 110546, 66 pp. (with K. Zumbrun)
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Fredholm determinants, Evans functions and Maslov indices for partial differential equations, Mathematische Annalen, 2023 (with G. Cox, Y. Latushkin)
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Renormalized Oscillation Theory for Singular Linear Hamiltonian Systems, J. Funct. Anal. 283 (2022), no. 3, Paper No. 109525, 74 pp. (with P. Howard)
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Renormalized oscillation theory for linear Hamiltonian systems on [0,1] via the Maslov index, Journal of Dynamics and Differential Equations, 2022
(with P. Howard) arXiv:1808.08264
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A dynamical approach to semilinear elliptic equations, Annales de l'Institut Henri Poincar\'e C, Analyse Non Lin\'eaire, 38 (2021), no. 2, 421-450
(with M. Beck, G. Cox, C. Jones, Y. Latushkin) arXiv:1907.09986
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Exponential dichotomies for elliptic PDE on radial domains, In: D\"orfler W. et al. (eds) Mathematics of Wave Phenomena. Trends in Mathematics. Birkh\"auser, Cham. (2020), 49-68
(with M. Beck, G. Cox, C. Jones, Y. Latushkin) arXiv:1907.10372
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A Sturm-Liouville theorem for quadratic operator pencils, Journal of Differential Equations, Volume 268, Issue 7, 2020, 3848-3879
(with K. Zumbrun) arXiv:1907.05679
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The Maslov and Morse Indices for Sturm-Liouville Systems on the Half-Line, Discr. Cont. Dynam. Systems Ser. A, 2020, 40 (2) : 983-1012
(with P. Howard) arXiv:1903.07583
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Spectral stability of hydraulic shock profiles, Physica D: Nonlinear Phenomena, 405 (2020), 132360, 9 pp.
(with Z. Yang, K. Zumbrun) arXiv:1810.01490
- Instability of pulses in gradient reaction-diffusion systems: A symplectic approach, Philosophical Transactions of the Royal Society A 376 (2018), no. 2117
(with M. Beck, G. Cox, C. Jones, Y. Latushkin, K. McQuighan) arXiv:1705.03861
- Diffusive stability of spatially periodic patterns with a conservation law, preprint
arXiv:1610.05395
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Diffusive stability of spatially periodic solutions of the Brusselator model, Communications in Mathematical Physics 358 (2018), no. 1, 1-43 (with K. Zumbrun, S. Jung, R. Venkatraman) arXiv:1608.08476
- The Maslov and Morse indices for Schr\"odinger operators on $\mathbb{R}$, Indiana University Mathematics Journal 67 (2018), no. 5, 1765-1815 (with P. Howard, Y. Latushkin) arXiv:1608.05692
- The Morse and Maslov Indices for Schr\"odinger Operators, Journal d'Analyse Mathematique 135 (2018), no. 1, 345-387
(with Y. Latushkin, S. Sukhtaiev) arXiv:1411.1656
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The Maslov and Morse indices for Lagrangian pairs on $\mathbb{R}^{2n}$, J. Math. Anal. Appl. 451 (2017), no. 2, 794-821 (with P. Howard, Y. Latushkin) arXiv:1608.00632
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Hadamard-type formulas via the Maslov form, J. Evol. Equ. 17 (2017), no. 1, 443-472 (with Y. Latushkin) arXiv:1601.07509
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The Maslov and Morse indices for Schr\"odinger Operators on $[0,1]$, Journal of Differential Equations 260 (2016), no. 5, 4499-4549
(with P. Howard) arXiv:1603.02648
- The Morse and Maslov indices for multidimensional Schr\"odinger operators with matrix-valued potentials, Trans. Amer. Math. Soc. 368 (2016), no. 11, 8145-8207
(with G. Cox, C. Jones, Y. Latushkin) arXiv:1408.1103
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Vakhitov-Kolokolov and energy vanishing conditions for linear instability of solitary waves in models of classical self-interacting spinor fields, Nonlinearity 28 (2015), 577--592
(with G. Berkolaiko, A. Comech) arXiv:1306.5150
- The Evans function and the Weyl-Titchmarsh function, in
Special issue on stability of travelling waves, Disc. Cont. Dynam. Syst. Ser. S 5 (2012), no. 5, 939 - 970 (with Y. Latushkin)
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The algebraic multiplicity of eigenvalues and the Evans function revisited, in
Memorial M. Birman's volume, Mat. Model. Nat. Phenom., 5 (2010) 269 - 292 (with Y. Latushkin)
- Spectral decomposition of normal operators in Hilbert quaternion bimodules, Scientific Notes of Taurida National University, 19(58) (2006), no. 1, 3-20 (with I. Karpenko, D. Tyshkevich)
- On an approach to differentiation of functions of a quaternion variable, Scientific Notes of Taurida National University, 17(56) (2004), no. 1, 30-37 (with I. Karpenko, D. Tyshkevich)
- Thesis: "The Evans function, the Weyl-Titchmarsh function, and the Birman-Schwinger operators", July 2012
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