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Pure-connection gravity and anisotropic singularities
Kirill Krasnov, Yuri Shtanov
In four space-time dimensions, there exists a special infinite-parameter family of chiral modified gravity theories. They are most properly described by a connection field, with sp…
Gravity and Unification: A review
Kirill Krasnov, Roberto Percacci
We review various classical unified theories of gravity and other interactions that have appeared in the literature, paying special attention to scenarios in which spacetime remain…
Field redefinitions and Plebanski formalism for GR
Kirill Krasnov
We point out that there exists a family of transformations acting on BF-type Lagrangians of gravity, with Lagrangians related by such a transformation corresponding to classically…
Topological field theories of 2- and 3-forms in six dimensions
Yannick Herfray, Kirill Krasnov
We consider several diffeomorphism invariant field theories of 2- and 3-forms in six dimensions. They all share the same kinetic term , but differ in the potential term that i…
Dynamics of 3-Forms in Seven Dimensions
Kirill Krasnov
We continue to study a certain dynamical theory of 3-forms in seven dimensions, which can be viewed as a non-linear 7D analog of the 3D Abelian Chern-Simons theory. We perform the…