Publications and preprints

1. Nicola Vassena
   Mass action systems: two criteria for Hopf bifurcation without Hurwitz
   SIAM Journal on Applied Mathematics: 85, 3. https://doi.org/10.1137/24M166685.
   Preprint (2025)

2. Kevin E. M. Church, Jia-Yuan Dai, Olivier Hénot, Phillipo Lappicy, Nicola Vassena
   Global Continuation of Stable Periodic Orbits in Systems of Competing Predators
   Preprint (2025)

3. Alejandro López-Nieto, Phillipo Lappicy, Nicola Vassena, Hannes Stuke, Jia-Yuan Dai
   Hybrid Bifurcations: Periodicity from Eliminating a Line of Equilibria
   Mathematische Annalen; 391: 6373–6399 (2025). https://doi.org/10.1007/s00208-024-03081-7 (2025)

4. Nicola Vassena, Florin Avram, Rim Adenane
   Finding bifurcations in mathematical epidemiology via reaction network methods
   Chaos, An Interdisciplinary Journal of Nonlinear Science; 34 (12): 123163. https://doi.org/10.1063/5.0221082 (2024)

5. Nicola Vassena and Peter F. Stadler
   Unstable Cores are the source of instability in Chemical Reaction Networks
   Proceedings of the Royal Society A, 480, 20230694. https://doi.org/10.1098/rspa.2023.0694 (2024)
   Preprint

6. Nicola Vassena
   Structural obstruction to the simplicity of the eigenvalue zero in chemical reaction networks
   Mathematical Methods in the Applied Sciences: 47, 4. https://doi.org/10.1002/mma.9790 (2023)

7. Nicola Vassena
   Symbolic hunt of instabilities and bifurcations in reaction networks
   Discrete and Continuous Dynamical Systems - B, doi: 10.3934/dcdsb.2023190 (2023)

8. Nicola Vassena
   Structural Conditions for Saddle-node Bifurcations in Chemical Reaction Networks
   SIAM Journal on Applied Dynamical Systems, 22: 1639-1672. doi: 10.1137/22M1527933 (2023)
   Preprint

9. Nicola Vassena
   Sign-sensitivity of metabolic networks: which structures determine the sign of the responses
   International Journal of Robust and Nonlinear Control, doi: 10.1002/rnc.5896 (2021)
   Preprint

10. Nicola Vassena
    Sensitivity of metabolic networks: perturbing metabolite concentrations
    Preprint (2020)

11. Nicola Vassena
    Good and bad children in metabolic networks
    Mathematical Biosciences and Engineering, 17(6): 7621-7644. doi: 10.3934/mbe.2020388 (2020)
    Preprint

12. Nicola Vassena
    Sensitivity of metabolic networks
    Ph.D. Thesis, Freie Universität Berlin (2020)

13. Nicola Vassena
    Sensitivity of monomolecular reaction networks: signed flux-response to reaction rate perturbations ECCTD 2017 Proceedings IEEE doi: 10.1109/ECCTD.2017.8093332 (2017)

14. Nicola Vassena and Hiroshi Matano
    Monomolecular reaction networks: flux-influenced sets and balloons
    Mathematical Methods in the Applied Sciences: 40, 18. doi: 10.1002/mma.4557 (2017)