Atlas Documentation
Welcome to the Atlas of Lie Groups and Representations software documentation. This site covers everything you need to install, run, and use the Atlas software and its Axis scripting language.
This documentation is for the Atlas software and scripting language only. For the mathematics behind the software, see the Papers page, in particular Unitary Representations of Real Reductive Groups.
Where to Start
If you are new to Atlas, begin with Getting Started to download and install the software. Then consult the Basic Commands tutorial to get up and running quickly.
If you already have Atlas installed and want to look up a specific function or script file, go directly to the Script Files section, or browse the Built-in Functions reference.
Contents
How to download and install Atlas on Linux, macOS, or Windows, and how to run it for the first time.
An introduction to the Atlas software and Axis scripting language, covering the most important commands and how to use them.
A comprehensive reference for the Axis scripting language: types, expressions, functions, loops, and the full syntax of the language.
Reference documentation for all built-in Atlas functions, organized by category.
Reference documentation for the .at script files
in the atlas-scripts/ directory. One page per file, documenting
the functions and types each file provides.