2 papers
cs.SI2026
Fractional Diffusion on Graphs: Superposition of Laplacian Semigroups and Memory
Nikita Deniskin, Ernesto Estrada
Subdiffusion on graphs is often modeled by time-fractional diffusion equations, yet its structural and dynamical consequences remain unclear. We show that subdiffusive transport on…
math.MG2025
Signed graphs in data sciences via communicability geometry
Fernando Diaz-Diaz, Ernesto Estrada
Signed graphs are an emergent way of representing data in a variety of contexts where antagonistic interactions exist. These include data from biological, ecological, and social sy…