Explicit bounds for the Łojasiewicz exponent in the gradient inequality for polynomials
Didier D'Acunto, Krzysztof Kurdyka (2005)
Annales Polonici Mathematici
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Let f: ℝⁿ → ℝ be a polynomial function of degree d with f(0) = 0 and ∇f(0) = 0. Łojasiewicz’s gradient inequality states that there exist C > 0 and ϱ ∈ (0,1) such that in a neighbourhood of the origin. We prove that the smallest such exponent ϱ is not greater than with .