Aiming at nonexperts, the key mechanisms of higher-spin extensions of ordinary gravities in
four dimensions and higher are explained. An overview of various no-go theorems for low …

This is a collection of my lecture notes on the higher-spin theory course given for students at
the Institute for Theoretical and Mathematical Physics, Lomonosov Moscow State University …

We discuss the emergence of\(\mathcal {W}\mbox {-algebras}\) as asymptotic symmetries of
higher-spin gauge theories coupled to three-dimensional Einstein gravity with a negative …

Higher Spin Gravity refers to extensions of gravity including at least one field of spin greater
than two. These extensions are expected to provide manageable models of quantum gravity …

We propose a duality between the 2d WN minimal models in the large N't Hooft limit, and a
family of higher spin theories on AdS 3. The 2d conformal field theories (CFTs) can be …

A bstract Assuming the existence of a field theory in D dimensions dual to (D+ 1)-
dimensional flat space, governed by the asymptotic symmetries of flat space, we make some …

A bstract We study the non-relativistic expansion of general relativity coupled to matter. This
is done by expanding the metric and matter fields analytically in powers of 1/c 2 where c is …

We revisit the problem of interactions of higher-spin fields in flat space. We argue that all no-
go theorems can be avoided by the light-cone approach, which results in more interaction …

A bstract Higher Spin Gravities are scarce, but covariant actions for them are even scarcer.
We construct covariant actions for contractions of Chiral Higher Spin Gravity that represent …

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