Massive gravity from descent equations

TL;DR

This paper derives both massless and massive gravity theories using descent equations, showing that the massive theory can be viewed as a continuous deformation of the massless case, highlighting their theoretical connection.

Contribution

It introduces a novel derivation of massive gravity from descent equations, establishing a continuous link to massless gravity.

Findings

Massive gravity is a deformation of massless gravity.

Descent equations can derive both massless and massive gravity.

The approach reveals a theoretical connection between the two theories.

Abstract

Both massless and massive gravity are derived from descent equations (Wess-Zumino consistency conditions). The massive theory is a continuous deformation of the massless one.