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Populations & Evolution

Population dynamics, evolutionary biology, and epidemiological modeling.

q-bio.PE · 101 papers

Universal statistical signatures of evolution in artificial intelligence architectures

AI architectural evolution exhibits statistical signatures akin to biological evolution, with heavy-tailed fitness effects and convergent traits.

2604.10571Apr 12, 2026Theodor Spiro

Fragmentation is a diversity ratchet

Landscape fragmentation acts as a "diversity ratchet," increasing biodiversity by reducing interspecies connectivity and preventing extinctions.

2604.09966Apr 11, 2026Russell K. Standish

Scale-dependent Temporal Signatures of Arboviral Transmission in Urban Environments

A new spatiotemporal model reveals that arboviral epidemic differentiation in urban areas is scale-dependent, primarily driven by temporal dynamics, not spatial proximity.

2604.11818Apr 10, 2026Marcílio Ferreira dos Santos, Cleiton de Lima Ricardo

An Improved Bipartition Cover Bound for the Multispecies Coalescent Model

This paper presents improved topology-free upper bounds on the number of loci needed for bipartition cover in the multispecies coalescent model.

2604.09509Apr 10, 2026Zachary McNulty

Analysis of non pharmaceutical interventions with SIR epidemic models: decreasing the infection peak vs. minimizing the epidemic size

This study uses SIR models to show that minimizing epidemic peaks requires earlier non-pharmaceutical interventions than minimizing overall epidemic size.

2604.08420Apr 9, 2026Eric Rozán, Marcelo N Kuperman, Sebastián Bouzat

Temporal Structure Mediates the Robustness and Collapse of Plant-Pollinator Networks

Temporal dynamics shape plant-pollinator network robustness, causing shifts between diverse and collapsed community states.

2604.07347Apr 8, 2026Tom Clegg, Thilo Gross

Generation time in a discrete epidemic model with asymptomatic carriers: beyond geometric waiting times

This paper models generation time in discrete epidemics with asymptomatic carriers, using non-Markovian waiting times and variable infectiousness.

2604.07309Apr 8, 2026Jordi Ripoll, Joan Saldaña

Emergence of cooperation in nonlinear higher-order public goods games

This paper explores cooperation in nonlinear public goods games on hypergraphs, showing how network structure and game type influence outcomes.

2604.07228Apr 8, 2026Jaume Llabrés, Onkar Sadekar, Federico Malizia +1

WebCVTree4: A Newly Designed Phylogenetic and Taxonomic Study Platform for Prokaryotes Using Composition Vectors and Whole Genomes

WebCVTree4 is an upgraded web platform for prokaryotic phylogenetic and taxonomic studies using whole-genome composition vectors, supporting large-scale analysis.

2604.06835Apr 8, 2026Guanghong Zuo

Mathematical Models of Evolution and Replicator Systems Dynamics. Chapter 1: Introduction to Replicator Systems

This chapter introduces mathematical models of replicator systems, deriving the replicator equation and surveying quasispecies theory for generalized evolutionary dynamics.

2604.05720Apr 7, 2026A. S. Bratus, S. Drozhzhin, T. Yakushkina

A graph based advection framework for climate-driven species distribution

This paper introduces a graph-based advection framework to model climate-driven species distribution, incorporating directed movement and its impact on persistence and hotspots.

2604.05423Apr 7, 2026Pranali Roy Chowdhury, Soumyendu Raha

A mathematical theory of evolution for self-designing AIs

This paper models self-designing AI evolution, showing how directed design and human fitness functions shape traits, with key implications for alignment.

2604.05142Apr 6, 2026Kenneth D Harris

Nested tree space: a geometric framework for co-phylogeny

Introduces σ-space, a CAT(0) geometric framework for nested phylogenetic trees, enabling analysis of co-evolutionary systems.

2604.05056Apr 6, 2026G. Grindstaff, R. S. Hoekzema

Partial health status observability and time horizon uncertainty in mean-field game epidemiological models

MFG epidemiological models are introduced to handle partial immunity observability and time horizon uncertainty using efficient ODE approximations.

2604.04305Apr 5, 2026Carlos Doebeli, Alexander Vladimirsky

Overcoming unfairness via repeated interactions in mini-ultimatum game

This paper models how repeated interactions in a mini-ultimatum game promote fairness, showing specific strategies maintain it against unfairness.

2604.03625Apr 4, 2026Prosanta Mandal, Arunava Patra, Sagar Chakraborty

Synonymous Codon Usage Bias Overrides Phylogeny to Reflect Convergent Frond Architecture in a Rapidly Radiating Fern Family Thelypteridaceae

Ferns show that synonymous codon usage bias (CUB) can override phylogeny, reflecting convergent frond architecture driven by specific photosynthesis genes.

2604.03028Apr 3, 2026Kerui Huang, Wenyan Zhao, Huan Li +15

Competition at the front of expanding populations

This paper introduces a model combining Fisher and KPZ equations to show how spatial expansion can overcome reproductive advantage in species competition.

2604.01187Apr 1, 2026Sergio Eraso, Mehran Kardar

The fitness landscape of overlapping genes

This paper explores the fitness landscape of overlapping genes, revealing compatibility, trade-offs, and the natural genetic code's unique suitability.

2604.00602Apr 1, 2026Orson Kirsch, Nicole Wood, Steven A Redford +1

How to Forage for a Mate?

This paper models mate choice as an optimal foraging problem, revealing how decision thresholds for leaving or committing to a mate are influenced by signal availability.

2604.00393Apr 1, 2026Daniel T Bernstein, Ahmed El Hady

Macroscopic Signatures of Gauge-Mediated Contagion: Deriving Behavioral Shielding from Stochastic Field Theory

This paper uses stochastic field theory to model epidemics, showing how behavioral shielding emerges from gauge-mediated contagion and dynamically suppresses R_eff.

2604.00153Mar 31, 2026Jose de Jesus Bernal-Alvarado, David Delepine
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