Starting with a gentle approach to the Alday–Gaiotto–Tachikawa (AGT) correspondence
from its 6d origin, these notes provide a wide (albeit shallow) survey of the literature on …

review of the TN theory and its cousins | Progress of Theoretical and Experimental Physics |
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A bstract The analytic properties of the\(\mathcal {N}= 2\) superconformal index are given a
physical interpretation in terms of certain BPS surface defects, which arise as the IR limit of …

The Higgs branch of 4D N= 2 superconformal field theories can be analyzed via the Hilbert
series of the Higgs branch or, in special cases, by computing the Hall-Littlewood index. For …

In theories with extended supersymmetry the protected observables of UV superconformal
fixed points are found in a number of contexts to be encoded in the BPS solitons along an IR …

A bstract The moduli space of instantons on ℂ 2 for any simple gauge group is studied using
the Coulomb branch of\(\mathcal {N}= 4\) gauge theories in three dimensions. For a given …

We propose 5-brane webs for 5d N= 1 G 2 gauge theories. From a Higgsing of the SO (7)
gauge theory with a hypermultiplet in the spinor representation, we construct two types of 5 …

A bstract We propose a systematic approach to computing the BPS spectrum of any 5d/6d
supersymmetric quantum field theory in Coulomb phases, which admits either gauge theory …

A bstract Supersymmetric localisation has led to several modern developments in the study
of integrated correlators in\(\mathcal {N}\)= 4 supersymmetric Yang-Mills (SYM) theory. In …