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Found 128 Documents (Results 1–100)

Algebraic criterion for the existence of a center at a monodromic singular point of a polynomial Liénard system. (English. Russian original) Zbl 1512.34066

Differ. Equ. 58, No. 8, 1008-1020 (2022); translation from Differ. Uravn. 58, No. 8, 1020-1031 (2022).
MSC:  34C05 34C25
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The center-focus problem. Algebraic methods and hypotheses. (Проблема центра и фокуса. Алгебраичские решения и гипотезы.) (Russian) Zbl 1410.34002

Kishinev: Akademiya Nauk Moldovy, Institut Matematiki i Informatiki (ISBN 978-9975-62-416-9). 256 p. (2018).
MSC:  34-02 34C05 34C14
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Cozma’s centers with invariant straight lines and conics. (English) Zbl 1333.34046

Choban, Mitrofan (ed.) et al., The third conference of the Mathematical Society of the Republic of Moldova dedicated to the 50th anniversary of the foundation of the Institute of Mathematics and Computer Science, ASM, Chişinău, Republic of Moldova, August 19–23, 2014. Abstracts. Chişinău: Academy of Sciences of Moldova, Institute of Mathematics and Computer Science (ISBN 978-9975-68-244-2/pbk). Proceedings IMCS-50, 281-284 (2014).
MSC:  34C05 34C45
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About one irreducible component of the center variety of cubic system with two invariant straight lines and one invariant conic. (English) Zbl 1333.34045

Choban, Mitrofan (ed.) et al., The third conference of the Mathematical Society of the Republic of Moldova dedicated to the 50th anniversary of the foundation of the Institute of Mathematics and Computer Science, ASM, Chişinău, Republic of Moldova, August 19–23, 2014. Abstracts. Chişinău: Academy of Sciences of Moldova, Institute of Mathematics and Computer Science (ISBN 978-9975-68-244-2/pbk). Proceedings IMCS-50, 277-280 (2014).
MSC:  34C05 34C45
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Singular points of differential equations: on a theorem of Poincaré. (Points singuliers des équations différentielles.) (English. French original) Zbl 1211.34039

Charpentier, Éric (ed.) et al., The scientific legacy of Poincaré. Transl. from the French by Joshua Bowman. Providence, RI: American Mathematical Society (AMS); London: London Mathematical Society (LMS) (ISBN 978-0-8218-4718-3/hbk). History of Mathematics 36, 112-127 (2010).
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Analytic ordinary differential equations and their local classification. (English) Zbl 1191.34001

Battelli, Flaviano (ed.) et al., Handbook of differential equations: Ordinary differential equations. Vol. IV. Amsterdam: Elsevier/North Holland (ISBN 978-0-444-53031-8/hbk). Handbook of Differential Equations, 593-687 (2008).
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Solution of the center-focus problem for a cubic system reducible to a Liénard system. (English. Russian original) Zbl 1132.34313

Differ. Equ. 42, No. 1, 10-25 (2006); translation from Differ. Uravn. 42, No. 1, 11-22 (2006).
MSC:  34C05 34C07
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The center-focus problem and variational equations. (English) Zbl 1383.47009

Akça, Haydar (ed.) et al., Proceedings of the international conference: 2004 – Dynamical systems and applications. Papers based on talks given at the conference, Antalya, Turkey, July 5–10, 2004. Dhahran: King Fahd University of Petroleum and Minerals, Department of Mathematical Sciences. 695-705, electronic only (2004).
MSC:  47J20 34A34
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