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[Licence| Download | New Version Template] aesh_v1_0.tar.gz(552 Kbytes)
Manuscript Title: xTras: a field-theory inspired xAct package for Mathematica
Authors: Teake Nutma
Program title: xTras
Catalogue identifier: AESH_v1_0
Distribution format: tar.gz
Journal reference: Comput. Phys. Commun. 185(2014)1719
Programming language: Mathematica.
Computer: Any computer running Mathematica 6 or newer.
Operating system: Linux, Unix, Windows, OS X.
RAM: 100 Mb
Keywords: Tensor algebra, Field theory, Combinatorics.
PACS: 02.70.Wz, 03.50.-z, 11.15.-q.
Classification: 5.

External routines: xACT (www.xact.es)

Subprograms used:
Cat Id Title Reference
AEBH_v1_0 xPerm CPC 179(2008)597
ADZK_v2_0 Invar Tensor Package 2.0 CPC 179(2008)586

Nature of problem:
Common problems in classical field theory: making Ansätze, computing contractions, solving tensorial equations, etc.

Solution method:
Various (group theory, brute-force, built-in Mathematica functions, etc.)

Running time:
1 - 60 seconds