The role of an equation of state in the dynamical (in)stability of a radiating star Megandhren Govender, Narenee Mewalal and Sudan Hansraj Eur. Phys. J. C, 79 1 (2019) 24 Published online: 14 January 2019 DOI: 10.1140/epjc/s10052-019-6534-9