U(<i>N</i>) Integrals, 1/<i>N</i>, and the De Wit–’t Hooft anomalies

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<jats:p>Formulas for the evaluation of all U(N) integrals are derived. Tables display the results for integrands involving up to six U’s and six U°’s. The complete pole structure of De Wit–’t Hooft anomalies is unveiled. The effects of 1/N2 corrections and De Wit–’t Hooft anomalies on two-dimensional U(N) lattice gauge theories in the strong coupling 1/N expansion is discussed.</jats:p>

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