Comparison with independent clinical and autopsy observations across 21 primary tumours and 23 target organs indicates that the predicted stationary distribution is consistent with the observed hierarchy of metastatic organ involvement.
This work introduces a spectral transfer formalism for nonlinear synchronisation dynamics to resolve how internal dynamical activity redistributes across network scales, moving beyond traditional global observables like the Kuramoto order parameter. By projecting Kuramoto phase dynamics onto the eigenbasis of the graph...
Marcin Kowalczyk, Pietro Lió, Z. Struzik· 0 citations
A novel technique called conditional-path Monte Carlo (CPMC), inspired by loop algorithms from equilibrium condensed-matter physics, which generates a Markov chain of trajectories that all strictly respect the targeted macroscopic boundary conditions like the occurrence of a massive network failure.
Jiazheng Sun, James Moody, Thomas Barthel· 1 citation
We study nonlinear stochastic dynamical systems that evolve in a Markov environment with separated fast and slow transition scales. These systems are also subject to impulsive perturbations under a Poisson approximation scheme. The environment is represented on a product state space, and phase aggregation is used to av...
S. Bekešienė, A. Nikitin, A. Prus· Mathematics· 0 citations
This paper provides the rigorous mathematical foundations and algorithmic details underlying the CPMC framework, and details a dynamic programming scheme to exactly implement complex boundary conditions - including patient-zero and macroscopic outbreak-size constraints - enabling the rejection-free generation of valid...
Thomas Barthel, Jiazheng Sun, Jhao-Hong Peng· 1 citation
Stochastic reaction-diffusion systems can exhibit fluctuation-dominated kinetics that is not captured by well-mixed rate equations, particularly at and below the upper critical dimension. Here, we develop and benchmark a coherent-state field-theoretic simulation framework derived from the Doi-Peliti representation of m...
Yao Xiong, Christopher Balzer, Ethan C. McGarrigle et al.· Journal of Chemical Physics· 0 citations
Conventional centrality measures provide compact descriptions of node importance, but they emphasize specific structural relations and do not directly resolve the temporal and spectral organization of dynamical perturbation responses. Building on the Green function of a linearized networked system, we develop a multidi...
Yu-Sen Wang, Hao Yu· 0 citations
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