We study some algebraic and topological objects that appear naturally in the study of the center problem for the ordinary differential equation v ' = Sigma(infinity)(i=1)a(i)(x)v(i+1). In particular, we give a topological characterization of Lipschitz curves defined by the first integrals of the coefficients of this equation such that all moments of order <= n, n epsilon N, vanish on them. (c) 2006 Elsevier Masson SAS. All rights reserved.
机构:
Chosun Univ, Coll Business, 309 Pilmundaero, Gwangju 61452, South KoreaChosun Univ, Coll Business, 309 Pilmundaero, Gwangju 61452, South Korea
Fang, Jeewon
Kang, Jangkoo
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机构:
Korea Adv Inst Sci & Technol, Coll Business, 85 Hoegiro, Seoul 02455, South KoreaChosun Univ, Coll Business, 309 Pilmundaero, Gwangju 61452, South Korea
Kang, Jangkoo
NORTH AMERICAN JOURNAL OF ECONOMICS AND FINANCE,
2017,
42
: 314
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337