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Evolutionary Dynamics with Fluctuating Population Sizes and Strong Mutualism
Thiparat Chotibut, David R. Nelson
Game theory ideas provide a useful framework for studying evolutionary dynamics in a well-mixed environment. This approach, however, typically enforces a strictly fixed overall pop…
Survival Probabilities at Spherical Frontiers
Maxim O. Lavrentovich, David R. Nelson
Motivated by tumor growth and spatial population genetics, we study the interplay between evolutionary and spatial dynamics at the surfaces of three-dimensional, spherical range ex…
Genetic drift opposes mutualism during spatial population expansion
Melanie JI Muller, Beverly I Neugeboren, David R Nelson +1
Mutualistic interactions benefit both partners, promoting coexistence and genetic diversity. Spatial structure can promote cooperation, but spatial expansions may also make it hard…