We present some improvements of known theorems and examples concerning intersections of continuous or Lipschitz functions with smooth functions or intersections of smooth functions or Hölder class ...

Technical Terms Bernstein polynomials: Polynomial functions that serve as building blocks for approximating continuous functions on closed intervals.

, Juan J. Font, Linear Isometries Between Subspaces of Continuous Functions, Transactions of the American Mathematical Society, Vol. 349, No. 1 (Jan., 1997), pp. 413-428 ...