The mass of simple and higher-order networks
Journal of Physics A: Mathematical and Theoretical, ISSN: 1751-8121, Vol: 57, Issue: 1
2024
- 5Citations
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Article Description
We propose a theoretical framework that explains how the mass of simple and higher-order networks emerges from their topology and geometry. We use the discrete topological Dirac operator to define an action for a massless self-interacting topological Dirac field inspired by the Nambu-Jona-Lasinio model. The mass of the network is strictly speaking the mass of this topological Dirac field defined on the network; it results from the chiral symmetry breaking of the model and satisfies a self-consistent gap equation. Interestingly, it is shown that the mass of a network depends on its spectral properties, topology, and geometry. Due to the breaking of the matter-antimatter symmetry observed for the harmonic modes of the discrete topological Dirac operator, two possible definitions of the network mass can be given. For both possible definitions, the mass of the network comes from a gap equation with the difference among the two definitions encoded in the value of the bare mass. Indeed, the bare mass can be determined either by the Betti number β or by the Betti number β of the network. We provide numerical results on the mass of different networks, including random graphs, scale-free, and real weighted collaboration networks. We also discuss the generalization of these results to higher-order networks, defining the mass of simplicial complexes. The observed dependence of the mass of the considered topological Dirac field with the topology and geometry of the network could lead to interesting physics in the scenario in which the considered Dirac field is coupled with a dynamical evolution of the underlying network structure.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85180066644&origin=inward; http://dx.doi.org/10.1088/1751-8121/ad0fb5; https://iopscience.iop.org/article/10.1088/1751-8121/ad0fb5; https://dx.doi.org/10.1088/1751-8121/ad0fb5; https://validate.perfdrive.com/9730847aceed30627ebd520e46ee70b2/?ssa=4773409e-7da1-48a2-ab36-db3c354ccbbf&ssb=61763239045&ssc=https%3A%2F%2Fiopscience.iop.org%2Farticle%2F10.1088%2F1751-8121%2Fad0fb5&ssi=81232042-cnvj-41b6-8d15-16b03ac85d10&ssk=botmanager_support@radware.com&ssm=0118654093097720183650480031549457&ssn=713e24aa1958396035b509739b1ba27a47b211e4fc9b-fb87-4f4d-92c34b&sso=ea16d121-2d7afa72fb70b3113d177fdfe52f5894e95d40bd45aed6da&ssp=08480822771727269783172745137801332&ssq=42628045423612931546389217104589139940448&ssr=NTIuMy4yMTcuMjU0&sst=com.plumanalytics&ssu=&ssv=&ssw=&ssx=eyJfX3V6bWYiOiI3ZjYwMDA3ZjU2ZDllYi00NDg4LTQyYmYtYjIyMS0wOWNmOTJkYjU2MmQxNzI3Mjg5MjE3MzMwMTY1MDE5Mzk2LTUxN2RmYTE0MTlmZDA4NzE4MzY1IiwicmQiOiJpb3Aub3JnIiwidXpteCI6IjdmOTAwMDU1Zjg5OGNmLWFmZTktNGE4Yy1iMWYxLWVhZjgxNzE0NTczNzMtMTcyNzI4OTIxNzMzMDE2NTAxOTM5Ni1lMTI0Mjc3N2Q4M2M5NzZjODM2NSJ9
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