TY  - JOUR 
AU  - Jiménez Rodríguez, Pablo
AU  - Muñoz Fernández, Gustavo A.
AU  - Seoane Sepúlveda, Juan A.
AU  - Sáez Maestro, Eva
PY  - 2019
UR  - https://uvadoc.uva.es/handle/10324/83409
AB  - The convolution operator is well-known for preserving the best properties of its parent functions, and is often presented as a “smoothing” operator. In the present result, we construct two differentiable functions whose convolution is not...
LA  - eng
TI  - The convolution of two differentiable functions on the circle need not be differentiable
DO  - https://doi.org/10.1007/s13163-018-0274-5
ER  -