A note on level sets of differentiable functions \(f(x,y)\) with non-vanishing gradient

DOI10.14321/REALANALEXCH.43.2.0387zbMath1401.26025OpenAlexW2851970682MaRDI QIDQ1664071

Christopher M. Wedrychowcz, Anna K. Savvopoulou

Publication date: 24 August 2018

Published in: Real Analysis Exchange (Search for Journal in Brave)

Full work available at URL: https://projecteuclid.org/euclid.rae/1530064968

zbMATH Keywords

level setimplicit function theoremnon-vanishing gradient

Mathematics Subject Classification ID

Continuity and differentiation questions (26B05) Implicit function theorems, Jacobians, transformations with several variables (26B10)

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