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Название: A field-theory motivated approach to symbolic computer algebra
Автор: Peeters K.
Field theory is an area in physics with a deceptively compact notation. Although general purpose computer algebra systems, built around generic list-based data structures, can be used to represent and manipulate ﬁeld theory expressions, this often leads to cumbersome input formats, unexpected side-eﬀects, or the need for a lot of special-purpose code. This makes a direct translation of problems from paper to computer and back needlessly time-consuming and error-prone. A prototype computer algebra system is presented which features TEX-like input, graph data structures, lists with Young-tableaux symmetries and a multiple-inheritance property system. The usefulness of this approach is illustrated with a number of explicit ﬁeld-theory problems.