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Twisted Covariance vs Weyl Quantisation

TitleTwisted Covariance vs Weyl Quantisation
Publication TypePreprint
AuthorsPiacitelli, G
Document NumberSISSA;13/2009/FM

In this letter we wish to clarify in which sense the tensor nature of the commutation relations [x^mu,x^nu]=i theta ^{mu nu} underlying Minkowski spacetime quantisation cannot be suppressed even in the twisted approach to Lorentz covariance. We then address the vexata quaestio \\\"why theta\\\"?

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