From Osher Doctorow
Once again Wikipedia seems to out-perform Wolfram in regard to the
topics mentioned here, although they are more evenly matched when
considering many different topics. See Wikipedia's "Poincare Group,"
"Metaplectic Group," "Conformal field theory," "Witt algebra",
"Virasoro algebra," "Central charge," "Charge (physics)".
Two other online sources outside arXiv or Front are "Structure and
representations of conformal algebras," Alexander Retakh,
www.uta.edu/faculty/surrey.pdf, 17 pages (Retakh was at MIT at the
time of writing, which seems to be 2003 or 2004 since the last
references in the paper were from 2003), and "Topics in representation
theory: the Heisenberg algebra," www.math.columbia.edu/~woit/notes20.pdf,
5 pages.
Osher Doctorow
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