Theory of index and a generalized Nyquist criterion

DOI10.1016/0020-7462(80)90020-7zbMath0453.57015OpenAlexW2012334899MaRDI QIDQ1149147

Chieh-Su Hsu

Publication date: 1980

Published in: International Journal of Non-Linear Mechanics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0020-7462(80)90020-7

zbMATH Keywords

index for vector fields of higher dimensionsNyquist criterion on zeros of polynomialsPoincare's theory of indexsimultaneous zeros of a set of functions of several complex variables

Mathematics Subject Classification ID

Vector fields, frame fields in differential topology (57R25) Degree, winding number (55M25) Value distribution of meromorphic functions of one complex variable, Nevanlinna theory (30D35) Fixed points and periodic points of dynamical systems; fixed-point index theory; local dynamics (37C25) Value distribution theory in higher dimensions (32H30)

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