grandes-ecoles 2022 Q2

grandes-ecoles · France · x-ens-maths-c__mp Not Maths

If $f$ and $g$ are two power series such that $f \prec g$, show that $\rho(f) \geqslant \rho(g)$.

If $f$ and $g$ are two power series such that $f \prec g$, show that $\rho(f) \geqslant \rho(g)$.