If $d$ is a fixed positive integer, let $\Lambda_N$ be a finite subset of $Z^d$, the lattice points of $\mathbb{R}^d$, with $\Lambda_N \uparrow Z^d$ and satisfying ...

Multiplying with indices. Dividing with indices. Raising a power to another power. Refresh your knowledge with these guides on powers and roots. Laws of indices: Multiplication, division, and power to ...