On Gradient curves of an analytic function near a critical point

https://repo-archives.ihes.fr/FONDS_IHES/I_Prepublications/KUIPER/1972-1991/M_91_36/M_91_36.pdf

KUIPER

06/1991

René Thom [T] conjectured that a gradient curve x(t) of an analytic function on Rn, wich descends to the critical point x(?) = 0 ? Rn, called a path, has there a tangent. We prove this in case n = 3 for standard paths and standard functions.
For the remaining, rare paths and rare functions we reduce the conjecture for irreductible ? to an evident conjecture and give some arguments in favour of CRT for reductible ?. We did not succeed in elaborating these arguments to a complete proof that covers all cases.

COURBES

M/91/36

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KUIPER, “On Gradient curves of an analytic function near a critical point,” Archives de l'IHES, consulté le 4 juillet 2025, https://omeka.ihes.fr/document/M_91_36.pdf.