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Found 1,660 Documents (Results 1–100)

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Synthesis of third-order time-optimal control system for plants with extremum time response. (English. Russian original) Zbl 1484.49045

Autom. Remote Control 82, No. 12, 2183-2191 (2021); translation from Datchiki Sist. 2020, No. 1, 3-8 (2020).
MSC:  49K15 37N25
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Global regularity for Einstein-Klein Gordon system with \(U(1)\times\mathbb{R}\) isometry group. (English) Zbl 1469.35074

Giga, Yoshikazu (ed.) et al., The role of metrics in the theory of partial differential equations. Proceedings of the 11th Mathematical Society of Japan, Seasonal Institute (MSJ-SI), Nagoya University, Japan, July 2–13 2018. Tokyo: Mathematical Society of Japan. Adv. Stud. Pure Math. 85, 533-543 (2021).
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Existence of \(T/k\)-periodic solutions of a nonlinear nonautonomous system whose matrix has a multiple eigenvalue. (English. Russian original) Zbl 1472.34081

Math. Notes 109, No. 4, 551-562 (2021); translation from Mat. Zametki 109, No. 4, 529-543 (2021).
MSC:  34C25 37C60
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Numerical methods for the Einstein equations in null quasi-spherical coordinates. (English) Zbl 1464.83003

Bartnik, Robert A., Selected works. Edited by Piotr T. Chruściel, James A. Isenberg and Shing-Tung Yau. Somerville, MA: International Press. 543-576 (2021).
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Fault-tolerant control and diagnosis for integer and fractional-order systems. Fundamentals of fractional calculus and differential algebra with real-time applications. (English) Zbl 1467.93005

Studies in Systems, Decision and Control 328. Cham: Springer (ISBN 978-3-030-62093-6/hbk; 978-3-030-62096-7/pbk; 978-3-030-62094-3/ebook). xxii, 192 p. (2021).
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Linear operators associated with differential and difference systems: what is different? (English) Zbl 1472.39040

Baigent, Steve (ed.) et al., Progress on difference equations and discrete dynamical systems. ICDEA 25, London, UK, June 24–28, 2019. Proceedings of the 25th international conference on difference equations and applications. Cham: Springer. Springer Proc. Math. Stat. 341, 435-448 (2020).
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Two-dimensional homogeneous cubic systems: classification and normal forms. VI. (English. Russian original) Zbl 1460.34045

Vestn. St. Petersbg. Univ., Math. 53, No. 3, 248-260 (2020); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 7(65), No. 3, 377-391 (2020).
MSC:  34C20 34C05
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Local adiabatic invariants near a homoclinic set of a slow-fast Hamiltonian system. (English. Russian original) Zbl 1476.70069

Proc. Steklov Inst. Math. 310, 12-24 (2020); translation from Tr. Mat. Inst. Steklova 310, 19-32 (2020).
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Boundary value problems, Weyl functions, and differential operators. (English) Zbl 1457.47001

Monographs in Mathematics 108. Cham: Birkhäuser (ISBN 978-3-030-36713-8/hbk; 978-3-030-36716-9/pbk; 978-3-030-36714-5/ebook). vii, 772 p., open access (2020).
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Periodic solutions in the Hénon-Heiles rotating system. (English) Zbl 07377959

Ahusborde, É. (ed.) et al., Fifteenth international conference Zaragoza-Pau on mathematics and its applications. Proceedings of the conference, Jaca, Spain, September 10–12, 2018. Zaragoza: Prensas de la Universidad de Zaragoza. Monogr. Mat. García Galdeano 42, 165-172 (2019).
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Comparison of nonlinear observers for a nonlinear system. (English) Zbl 1447.93118

Derbel, Nabil (ed.) et al., Systems, automation, and control. Selected papers based on the presentations at the international multiconference, Leipzig 2018. Berlin: De Gruyter/Oldenbourg. Adv. Syst. Signals Devices 9, 139-157 (2019).
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Liouville integrability of the reduction of the associativity equations on the set of stationary points of an integral in the case of three primary fields. (English. Russian original) Zbl 1439.37069

Russ. Math. Surv. 74, No. 2, 369-371 (2019); translation from Usp. Mat. Nauk 74, No. 2,191-192 (2019).
MSC:  37K10 37K20 37K30
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Observation problem for MIMO-systems with unknown input under degenerate relative degree. (English. Russian original) Zbl 1440.93116

Differ. Equ. 55, No. 11, 1485-1502 (2019); translation from Differ. Uravn. 55, No. 11, 1528-1544 (2019).
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Direct and binary direct bases for one-set updates of a closure system. (English) Zbl 07165995

Cristea, Diana (ed.) et al., Formal concept analysis. 15th international conference, ICFCA 2019, Frankfurt, Germany, June 25–28, 2019. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 11511, 55-72 (2019).
MSC:  68T30
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On an initial-boundary value problem for a semilinear differential-algebraic system of partial differential equations of index \((1,0)\). (English. Russian original) Zbl 1434.35024

Russ. Math. 63, No. 5, 63-74 (2019); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2019, No. 5, 70-82 (2019).
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Dynamical black holes with prescribed masses in spherical symmetry. (English) Zbl 1431.83099

Ji, Lizhen (ed.) et al., Proceedings of the seventh international congress of Chinese mathematicians, ICCM 2016, Beijing, China, August 2016. Volume II. Somerville, MA: International Press; Beijing: Higher Education Press. Adv. Lect. Math. (ALM) 44, 367-387 (2019).
MSC:  83C57 83C05 83C15
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