2 papers
econ.GN2025
Impact of the Pandemic on Currency Circulation in Brazil: Projections using the SARIMA Model
João Victor Monteiros de Andrade, Leonardo Santos da Cruz
This study analyzes the impact of the COVID-19 pandemic on currency circulation in Brazil by comparing actual data from 2000 to 2023 with counterfactual projections using the \text…
math.GR2025
Proportion of Nilpotent Subgroups in Finite Groups and Their Properties
João Victor M. de Andrade, Leonardo Santos da Cruz
This work introduces and investigates the function , where denotes the number of nilpotent subgroups and the total number…