3 papers
physics.soc-ph2023
Identifying key players in dark web marketplaces
Elohim Fonseca dos Reis, Alexander Teytelboym, Abeer ElBahraw +2
Dark web marketplaces have been a significant outlet for illicit trade, serving millions of users worldwide for over a decade. However, not all users are the same. This paper aims…
physics.soc-ph2022
Effects of concurrency on epidemic spreading in Markovian temporal networks
Ruodan Liu, Masaki Ogura, Elohim Fonseca Dos Reis +1
The concurrency of edges, quantified by the number of edges that share a common node at a given time point, may be an important determinant of epidemic processes in temporal networ…
physics.optics2012
Induced Optical Losses in Optoelectronic Devices due to Focused Ion Beam Damages
Felipe Vallini, Luís Alberto Mijan Barea, Elohim Fonseca dos Reis +2
A study of damages caused by gallium focused ion beam (FIB) into III-V compounds is presented. Potential damages caused by local heating, ion implantation, and selective sputtering…