1 Erratum to: Constr Approx DOI 10.1007/s00365-016-9343-5

We corrected three errors in our article.

  1. 1.

    Page 2, line −11, “proved” should be “conjectured”.

  2. 2.

    Page 2, line −5, “result” should be “conjecture”.

  3. 3.

    Page 5, line −4, “\(\phi _{0},\phi _{1},\phi _{\infty } \in \mathscr {S}(\mathbb {R}^n)\)” should be “\(\phi _{0},\phi _{1} \in \mathscr {S}(\mathbb {R}^n)\)”.