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Balagué Guardia, D. (author), Barbaro, Alethea (author), Carrillo, Jose Antonio (author), Volkin, Robert (author)We study distributional solutions to the radially symmetric aggregation equation for power-law potentials. We show that distributions containing spherical shells form part of a basin of attraction in the space of solutions in the sense of “shifting stability." For spherical shell initial data, we prove the exponential convergence of solutions to...journal article 2020