Solutions to Hartshorne's Algebraic Geometry/Glossary of notation

${𝔸}^n$ - affine $n$-space
$ℂ$ - the complex numbers
$𝔪$ - a/the maximal ideal
$\mathbb{N}$ - the natural numbers
${𝒪}_X$ - the sheaf of rings on a ringed space $X$.
${\mathbb{P}}^n$ - projective $n$-space
$𝔭$ - a prime ideal
$𝔮$ - another prime ideal
$\mathbb{Q}$ - the rational numbers
$ℝ$ - the real numbers
$\mathbb{Z}$ - the integers