A counterexample to subanalyticity of an arc-analytic function

Wydawnictwa / Czasopisma IMPAN / Annales Polonici Mathematici / Wszystkie zeszyty

Krzysztof Kurdyka Annales Polonici Mathematici 55 (1991), 241-243 DOI: 10.4064/ap-55-1-241-243

We construct an arc-analytic function (i.e. a function analytic on each analytic arc) whose graph is not subanalytic.