The center and focus problem : algebraic solutions and hypotheses

    • Popa, M. N.
    • Pricop, V. V.

著者

    • Popa, M. N.
    • Pricop, V. V.

書誌事項

The center and focus problem : algebraic solutions and hypotheses

M.N. Popa & V.V. Pricop

(Monographs and research notes in mathematics)

CRC Press, 2022

1st ed

  • : hbk

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注記

Includes bibliographical references (p. 209-212) and index

内容説明・目次

内容説明

The Center and Focus Problem: Algebraic Solutions and Hypotheses, M. N. Popa and V.V. Pricop, ISBN: 978-1-032-01725-9 (Hardback) This book focuses on an old problem of the qualitative theory of differential equations, called the Center and Focus Problem. It is intended for mathematicians, researchers, professors and Ph.D. students working in the field of differential equations, as well as other specialists who are interested in the theory of Lie algebras, commutative graded algebras, the theory of generating functions and Hilbert series. The book reflects the results obtained by the authors in the last decades. A rather essential result is obtained in solving Poincare's problem. Namely, there are given the upper estimations of the number of Poincare-Lyapunov quantities, which are algebraically independent and participate in solving the Center and Focus Problem that have not been known so far. These estimations are equal to Krull dimensions of Sibirsky graded algebras of comitants and invariants of systems of differential equations.

目次

1. Lie Algebra Of Operators Of Centro-Affine Group Representation In The Coefficient Space Of Polynomial Differential Systems 2. Differential Equations For Centro-Affine Invariants And Comitants Of Differential Systems And Their Applications 3. Generating Functions And Hilbert Series For Sibirsky Graded Algebras Of Comitants And Invariants Of Differential Systems 4. Hilbert Series For Sibirsky Algebras And Krull Dimension For Them 5. About The Center And Focus Problem 6. On The Upper Bound Of The Number Of Algebraically Independent Focus Quantities That Take Part In Solving The Center And Focus Problem For The System s(1,m1,...,m`) 7. On The Upper Bound Of The Number Of Algebraically Independent Focus Quantities That Take Part In Solving The Center And Focus Problem For Lyapunov System. Bibliography Appendixes

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詳細情報

  • NII書誌ID(NCID)
    BC07651752
  • ISBN
    • 9781032017259
  • LCCN
    2021011835
  • 出版国コード
    us
  • タイトル言語コード
    eng
  • 本文言語コード
    eng
  • 出版地
    Boca Raton
  • ページ数/冊数
    ix, 215 p.
  • 大きさ
    24 cm
  • 分類
  • 件名
  • 親書誌ID
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