On a theorem of D. Ryabogin and V. Yaskin about detecting symmetry

E. Makai, H. Martini, T. Ódor

We give a simple deduction of a recent theorem of D. Ryabogin and V. Yaskin, about detecting symmetry of star bodies in ${\mathbb{R}}^n$ with $C^1$ radial functions --- via their coni…