# 射影线性群

${\displaystyle \mathbb {P} {\mathcal {GL}}(V)={\mathcal {GL}}(V){\bigg /}\mathbb {K} (V)}$

${\displaystyle \mathbb {P} {\mathcal {SL}}(V)={\mathcal {SL}}(V){\bigg /}{\mathcal {SZ}}(V)}$

## 参考来源

1. Onorato Timothy O'Meara, Conference Board of the Mathematical Sciences. Lectures on linear groups. American Mathematical Soc. 1974. ISBN 9780821816721.
2. ^ Gareth A. Jones and David Silverman. (1987) Complex functions: an algebraic and geometric viewpoint. Cambridge UP. Discussion of PSL and PGL on page 20 in google books