# Dissections and automorphisms of regular Courant algebroids

## TL;DR

This paper investigates the automorphism groups of regular Courant algebroids by analyzing their structure relative to dissections and proposing an infinitesimal approach, thereby connecting to existing literature examples.

## Contribution

It provides a detailed computation of automorphism groups of regular Courant algebroids and introduces an infinitesimal perspective, enhancing understanding of their symmetries.

## Key findings

- Automorphism groups computed relative to dissections
- Infinitesimal automorphism version proposed
- Examples from literature recovered

## Abstract

In this note, given a regular Courant algebroid, we compute its group of automorphisms relative to a dissection. We also propose an infinitesimal version and recover examples of the literature.