642 citations · 3k across the 35 of their papers we have counts for
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hep-th2002★ 5 cited
On Peculiarities and Pit Falls in Path Integrals
Gerard 't Hooft
Path integrals can be rigorously defined only in low dimensional systems where the small distance limit can be taken. Particularly non-trivial models in more than four dimensions c…
hep-th2002★ 61 cited
Perturbative Confinement
Gerard 't Hooft
A Procedure is outlined that may be used as a starting point for a perturbative treatment of theories with permanent confinement. By using a counter term in the Lagrangian that ren…
hep-th2002★ 30 cited
Large N
G. 't Hooft
In the first part of this lecture, the 1/N expansion technique is illustrated for the case of the large-N sigma model. In large-N gauge theories, the 1/N expansion is tantamount to…