---
date: 2022-09-14 18:19
modification date: Wednesday 14th September 2022 18:19:42
title: "O_X and divisors"
aliases: [O_X for a divisor, "O_X(D)", "O_{X, D}"]
---

Last modified date: <%+ tp.file.last_modified_date() %>

---

- Tags: 
	- #AG/basics 
- Refs:
	- #todo/add-references
- Links:
	- #todo/create-links 

---

# $\OO_{X, D}$ for a $D$ a divisor

![](attachments/Pasted%20image%2020220914181945.png)
![](attachments/Pasted%20image%2020220914182154.png)
![](attachments/Pasted%20image%2020220914182346.png)

# $\OO_X(D)$ for $D$ a divisor

![](attachments/Pasted%20image%2020220914183820.png)
![](attachments/Pasted%20image%2020220914184148.png)
![](attachments/Pasted%20image%2020220914201926.png)
![](attachments/Pasted%20image%2020220914202031.png)
![](attachments/Pasted%20image%2020220914202042.png)


# Examples

![](attachments/Pasted%20image%2020220914182242.png)