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We present a uniform treatment of rigid supersymmetric field theories in a curved
spacetime\(\mathcal {M}\), focusing on four-dimensional theories with four supercharges …

In these lectures, we give a pedagogical introduction to the superconformal index. This is the
writeup of the lectures given at the Winter School'YRISW 2020'and is to appear in a special …

We study the N= 2 four-dimensional superconformal index in various interesting limits, such
that only states annihilated by more than one supercharge contribute. Extrapolating from the …

A bstract We propose and test a novel conjectural relation satisfied by the superconformal
index of maximally supersymmetric U (N) gauge theory in four dimensions. Analogous …

A bstract Many examples of low-energy dualities have been found in supersymmetric gauge
theories with four supercharges, both in four and in three space-time dimensions. In these …

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 …

A bstract We study certain\(\mathcal {N}= 1\) preserving deformations of four-
dimensional\(\mathcal {N}= 2\) superconformal field theories (SCFTs) with non-abelian flavor …

A bstract In this paper we compute the superconformal index of 2d (2, 2) supersymmetric
gauge theories. The 2d superconformal index, aka flavored elliptic genus, is computed by a …

A bstract We use the 5-sphere partition functions of supersymmetric Yang-Mills theories to
explore the (2, 0) superconformal theory on S 5× S 1. The 5d theories can be regarded as …