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Wilsonian Effective Actions and the IR/UV Mixing in Noncommutative Gauge Theories
Valentin V. Khoze, Gabriele Travaglini
Using background field perturbation theory we study Wilsonian effective actions of noncommutative gauge theories with an arbitrary matter content. We determine the Wilsonian coupli…
On the Multi-Instanton Measure for Super Yang--Mills Theories
Ugo Bruzzo, Francesco Fucito, Alessandro Tanzini +1
In this paper we revisit the arguments that have led to the proposal of a multi-instanton measure for supersymmetric Yang-Mills theories. We then recall how the moduli space of gau…
Instanton Calculus, Topological Field Theories and N=2 Super Yang-Mills Theories
Diego Bellisai, Francesco Fucito, Alessandro Tanzini +1
The results obtained by Seiberg and Witten for the low-energy Wilsonian effective actions of N=2 supersymmetric theories with gauge group SU(2) are in agreement with instanton comp…
Multi-Instantons, Supersymmetry and Topological Field Theories
D. Bellisai, F. Fucito, A. Tanzini +1
In this letter we argue that instanton-dominated Green's functions in N=2 Super Yang-Mills theories can be equivalently computed either using the so-called constrained instanton me…