2 papers
q-bio.PE2026
Simple sign epistasis and evolutionary detours in fitness landscapes
Paolo Ribeca, Alejandro Castro, Alejandro Lage-Castellanos +8
In epistatic fitness landscapes, the fitness effect of a mutation depends on the genetic background and may even switch between deleterious and beneficial depending on the presence…
physics.soc-ph2025
Xenophobia based on a few attributes can impede society's cohesiveness
Alejandro Castro, Tuan Minh Pham, Ernesto Ortega +1
Xenophobic interactions play a role as important as homophilic ones in shaping many dynamical processes on social networks, such as opinion formation, social balance, or epidemic s…