$${\alpha }^{\nu }=\left\{\begin{array}{ll}\underset{\underset{\nu \; \pi \alpha \rho ά\gamma o\nu \tau \epsilon \varsigma }{⏟}}{\mathrm{\alpha \; \cdot \; \alpha \; \cdot \; \dots \; \alpha }}& \alpha \nu \nu >1\\ \alpha & \alpha \nu \alpha =1\end{array}\right.,\; ό\pi o\upsilon \alpha \in \mathbb{R}\kappa \alpha \iota \nu \in \mathbb{N*}$$