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An energy-based mathematical model of actin-driven protrusions in eukaryotic chemotaxis
Samuel W. S. Johnson, Maddy Parsons, Ruth E. Baker, Philip K. Maini
https://arxiv.org/abs/2509.20303

An energy-based mathematical model of actin-driven protrusions in eukaryotic chemotaxis
In eukaryotic cell chemotaxis, cells extend and retract transient actin-driven protrusions at their membrane that facilitate both the detection of external chemical gradients and directional movement via the formation of focal adhesions with the extracellular matrix. Although extensive experimental work has detailed how cellular protrusions and morphology vary under different environmental conditions, the mechanistic principles linking protrusive activity to these factors remain poorly understo…

Claret is the liquor for boys; port for men; but he who aspires to be a hero
... must drink brandy.
-- Samuel Johnson

TVS Sidekick: Challenges and Practical Insights from Deploying Large Language Models in the Enterprise
Paula Reyero Lobo, Kevin Johnson, Bill Buchanan, Matthew Shardlow, Ashley Williams, Samuel Attwood
https://arxiv.org/abs/2509.26482

TVS Sidekick: Challenges and Practical Insights from Deploying Large Language Models in the Enterprise
Many enterprises are increasingly adopting Artificial Intelligence (AI) to make internal processes more competitive and efficient. In response to public concern and new regulations for the ethical and responsible use of AI, implementing AI governance frameworks could help to integrate AI within organisations and mitigate associated risks. However, the rapid technological advances and lack of shared ethical AI infrastructures creates barriers to their practical adoption in businesses. This paper…

Connections between Richardson-Gaudin States, Perfect-Pairing, and Pair Coupled-Cluster Theory
Paul A. Johnson, Charles-\'Emile Fecteau, Samuel Nadeau, Mauricio Rodr\'iguez-Mayorga, Pierre-Fran\c{c}ois Loos
https://arxiv.org/abs/2510.06144

Connections between Richardson-Gaudin States, Perfect-Pairing, and Pair Coupled-Cluster Theory
Slater determinants underpin most electronic structure methods, but orbital-based approaches often struggle to describe strong correlation efficiently. Geminal-based theories, by contrast, naturally capture static correlation in bond-breaking and multireference problems, though at the expense of implementation complexity and limited treatment of dynamic effects. In this work, we examine the interplay between orbital and geminal frameworks, focusing on perfect-pairing (PP) wavefunctions and thei…

Spatial correlations in SIS processes on regular random graphs
Alexander Leibenzon, Samuel W. S. Johnson, Ruth E. Baker, Michael Assaf
https://arxiv.org/abs/2509.25386 https://

Spatial correlations in SIS processes on regular random graphs
In network-based SIS models of infectious disease transmission, infection can only occur between directly connected individuals. This constraint naturally gives rise to spatial correlations between the states of neighboring nodes, as the infection status of connected individuals becomes interdependent. Although mean-field approximations are commonly invoked to simplify disease forecasting on networks, they fail to account for these correlations by assuming that infectious individuals are well-m…

Crosslisted article(s) found for q-bio.PE. https://arxiv.org/list/q-bio.PE/new
[1/1]:
- Spatial correlations in SIS processes on regular random graphs
Alexander Leibenzon, Samuel W. S. Johnson, Ruth E. Baker, Michael Assaf