3 papers
math.OC2026
Constrained Variable Projection for Structured Problems
Emanuele Zangrando, Sara Venturini, Francesco Rinaldi +1
Variable projection is a classical technique for separable nonlinear least-squares problems, in which variables that enter linearly are eliminated exactly, yielding a reduced nonli…
physics.soc-ph2025
The Effects of Remote Working on Scientific Collaboration and Impact
Sara Venturini, Satyaki Sikdar, Martina Mazzarello +5
The COVID-19 pandemic shifted academic collaboration from in-person to remote interactions. This study explores, for the first time, the effects on scientific collaborations and im…
cs.SI2025
An Efficient Network-aware Direct Search Method for Influence Maximization
Matteo Bergamaschi, Sara Venturini, Francesco Tudisco +1
Influence Maximization (IM) is a pivotal concept in social network analysis, involving the identification of influential nodes within a network to maximize the number of influenced…