A remark on regularization in Hilbert spaces
- Cite this article as:
- Lasry, J.M. & Lions, P.L. Israel J. Math. (1986) 55: 257. doi:10.1007/BF02765025
We present here a simple method to approximate uniformly in Hilbert spaces uniformly continuous functions byC 1,1 functions. This method relies on explicit inf-sup-convolution formulas or equivalently on the solutions of Hamilton-Jacobi equations.