---
date: 2022-04-07 20:50
modification date: Thursday 7th April 2022 20:50:27
title: "Lagrangian"
aliases: [Lagrangian, isotropic, coisotropic]
created: 2023-04-06T16:44
updated: 2023-04-09T18:46
---

---
- Tags: 
	- #todo/untagged
- Refs:
	- An algorithm for computing isotropic lines and planes: <https://arxiv.org/pdf/2302.01679.pdf#page=32&zoom=140,-154,271>
- Links:
	- #todo/create-links 

---

# Lagrangian

![](attachments/Pasted%20image%2020220407205029.png)

Example: [singular support](singular%20support).
![](attachments/Pasted%20image%2020220429211631.png)

# Isotropic lattices

Determining orbits of isotropic vectors: Eichler criterion.

![](2023-04-09.png)