![[attachments/Pasted%20image%2020220126100340.png) ![](attachments/Pasted%20image%2020220126100525.png]]
See principal divisor, picard group, place.
![[attachments/Pasted%20image%2020220126100340.png) ![](attachments/Pasted%20image%2020220126100525.png]]
See principal divisor, picard group, place.