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The dynamics of the gravitational collapse is examined in the realm of stringbased formalism of D-branes that encompass General Relativity as a low energylimit. A complete analytical solution is given to the spherically symmetriccollapse of a pure dust star, including its matching with a correctedSchwarzschild exterior spacetime. The collapse forms a black hole (an exteriorevent horizon) enclosing not a singularity but perpetually bouncing matter inthe infinite chain of spacetime maximal analytical extensions inside the outerevent horizon. This chain of analytical extensions has a structure analogous tothat of the Reissner-Nordstrom solution, except that the timelike singularitiesare avoided by bouncing barriers. The interior trapped bouncing matter has thepossibility of being expelled by disruptive nonlinear resonance mechanisms.

Forming Nonsingular Black Holes from Dust Collapse