grandes-ecoles 2023 Q5

grandes-ecoles · France · mines-ponts-maths2__pc Not Maths

Show that for $(t,s) \in \mathbf{R}_+^2$, $H_{t+s} = H_t H_s$. One may use a Cauchy product.

Show that for $(t,s) \in \mathbf{R}_+^2$, $H_{t+s} = H_t H_s$.\\
One may use a Cauchy product.