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11 papers · 1 filter
Spectral and localization properties of random bipartite graphs
C. T. Martinez-Martinez, J. A. Mendez-Bermudez, Yamir Moreno +2
Bipartite graphs are often found to represent the connectivity between the components of many systems such as ecosystems. A bipartite graph is a set of nodes that is decomposed…
Visualizing structural balance in signed networks
Edoardo Galimberti, Chiara Madeddu, Francesco Bonchi +1
Network visualization has established as a key complement to network analysis since the large variety of existing network layouts are able to graphically highlight different proper…
Theoretical description and experimental simulation of quantum entanglement near open time-like curves via pseudo-density operators
C. Marletto, V. Vedral, S. Virzì +6
Closed timelike curves are striking predictions of general relativity allowing for time-travel. They are afflicted by notorious causality issues (e.g. grandfather's paradox). Quant…
New quantumness domains through generalized squeezed states
Francesco Raffa, Mario Rasetti, Marco Genovese
Current definitions of both squeezing operator and squeezed vacuum state are critically examined on the grounds of consistency with the underlying su(1,1) algebraic structure. Acco…
Cores and Other Dense Structures in Complex Networks
Edoardo Galimberti
Complex networks are a powerful paradigm to model complex systems. Specific network models, e.g., multilayer networks, temporal networks, and signed networks, enrich the standard n…
Distance-generalized Core Decomposition
Francesco Bonchi, Arijit Khan, Lorenzo Severini
The -core of a graph is defined as the maximal subgraph in which every vertex is connected to at least other vertices within that subgraph. In this work we introduce a dista…