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32 lines
1.4 KiB
Text
32 lines
1.4 KiB
Text
Cadabra is a symbolic computer algebra system (CAS) designed
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specifically for the solution of problems encountered in field theory.
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It has extensive functionality for tensor computer algebra, tensor
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polynomial simplification including multi-term symmetries, fermions and
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anti-commuting variables, Clifford algebras and Fierz transformations,
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component computations, implicit coordinate dependence, multiple index
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types and many more. The input format is a subset of TeX. Both a
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command-line and a graphical interface are available.
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* Designed for field-theory problems, with handling of anti-commuting
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and non-commuting objects without special notations for their
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products, gamma matrix algebra, Fierz identities, Dirac conjugation,
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vielbeine, flat and curved, covariant and contravariant indices,
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implicit dependence of tensors on coordinates, partial and covariant
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derivatives...
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* Powerful tensor simplification algorithms, not just for mono-term
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symmetries but also for multi-terms symmetries like the Bianchi
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identity, or dimensionally-dependent symmetries like the Schouten
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identity.
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* Allows for both abstract and component computations.
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* A standalone graphical notebook interface which can also be used as a
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front-end for SymPy.
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* Input and output using a subset of LaTeX notation.
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* Programmable using Python.
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Mathematica (not on SBo) is an optional dependency, it will be
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autodetected at build time.
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