Symbolic integration with respect to the Haar measure on the unitary group

20 Sep 2011  ·  Zbigniew Puchała, Jarosław Adam Miszczak ·

We present IntU package for Mathematica computer algebra system. The presented package performs a symbolic integration of polynomial functions over the unitary group with respect to unique normalized Haar measure. We describe a number of special cases which can be used to optimize the calculation speed for some classes of integrals. We also provide some examples of usage of the presented package.

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Computational Physics Symbolic Computation Quantum Physics 68W30 (Primary), 28C10, 97N80 (Secondary) I.1.1