Fixation and Ancestry of competing species
growing on a rugged front

Summary
I. Range Expansion: Bacteria growing into new environment 
II. Coalescence governs diversity and close ancestry: 
III. Extinction on a rough front:
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IV. Morphologies 

V. Deterministic growth profiles from seeds on an undulating substrate 
VI. Summary
German Physical Society Spring Meeting March 23, 2021
Daniel Beller Sherry Chu Jordan Horowitz David R. Nelson
