On the number of zeros of an analytic perturbation of the identically zero function on a compact set

DOI10.1134/S0001434609010106zbMath1198.30037OpenAlexW2024388682MaRDI QIDQ1033896

A. Yu. Fishkin

Publication date: 10 November 2009

Published in: Mathematical Notes (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1134/s0001434609010106

zbMATH Keywords

isolated zerosanalytic perturbation

Mathematics Subject Classification ID

Approximation in the complex plane (30E10)

Related Items (1)

On the number of limit cycles of planar quadratic vector fields with a perturbed center

Cites Work

• Bifurcation of planar vector fields and Hilbert's sixteenth problem
• Counting real zeros of analytic functions satisfying linear ordinary differential equations
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