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Motivated by quantum mechanical considerations we earlier suggested an alternative action for discretised quantum gravity which has a dimension of length. It is the so called "linear" action. The proposed action is a "square root" of the classical area action in gravity and has in front of the action a new constant of dimension one. Here we shall consider the continuous limit of the discretised linear action. We shall demonstrate that in the modified theory of gravity there appear space-time regions of the Schwarzschild radius scale which are unreachable by test particles. These regions are located in the places where standard theory of gravity has singularities. We are confronted here with a drastically new concept that there may exist space-time regions which are excluded from the physical scene, being physically unreachable by test particles or observables. If this concept is accepted, then it seems plausible that the gravitational singularities are excluded from the modified theory.

Gravity with a Linear Action and Gravitational Singularities