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Arthur Louis Mayeul Alexandre

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Publications associées (4)

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Bridging Wright–Fisher and Moran models

Anne-Florence Raphaëlle Bitbol, Alia Abbara, Arthur Louis Mayeul Alexandre, Cecilia Fruet

The Wright–Fisher model and the Moran model are both widely used in population genetics. They describe the time evolution of the frequency of an allele in a well-mixed population with fixed size. We propose a simple and tractable model which bridges the Wr ...

2025

Self-phoretic oscillatory motion in a harmonic trap

Arthur Louis Mayeul Alexandre

We consider the motion of a harmonically trapped overdamped particle, which is submitted to a self-phoretic force, that is proportional to the gradient of a diffusive field for which the particle itself is the source. In agreement with existing results for ...

2024

Impact of complex spatial population structure on early and long-term adaptation in rugged fitness landscapes

Anne-Florence Raphaëlle Bitbol, Richard Marie Servajean, Arthur Louis Mayeul Alexandre

We study how rugged fitness landscapes are explored by spatially structured populations with demes on the nodes of a graph, connected by migrations. In the weak mutation and rare migration regime, we find that, in most landscapes, migration asymmetries ass ...

Oxford University Press (OUP)2025

Effective description of Taylor dispersion in strongly corrugated channels

Arthur Louis Mayeul Alexandre

American Physical Society (APS)2025