Lambda: A Mathematica-package for operator product expansions in vertex algebras
Joel Ekstrand

TL;DR
The paper introduces Lambda, a Mathematica package that automates the calculation of lambda-brackets in vertex and SUSY vertex algebras, facilitating operator product expansion computations in conformal field theory.
Contribution
It provides a new computational tool for calculating lambda-brackets in vertex algebras, including SUSY variants, with examples in component and superfield notation.
Findings
Automates lambda-bracket calculations in vertex algebras.
Supports SUSY vertex algebra computations.
Includes illustrative examples in different notations.
Abstract
We give an introduction to the Mathematica package Lambda, designed for calculating -brackets in both vertex algebras, and in SUSY vertex algebras. This is equivalent to calculating operator product expansions in two-dimensional conformal field theory. The syntax of -brackets is reviewed, and some simple examples are shown, both in component notation, and in superfield notation.
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