114 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
3 papers
A note on gradient Ricci soliton warped metrics
José N. V. Gomes, Marcus A. M. Marrocos, Adrian V. C. Ribeiro
In this note, we prove triviality and nonexistence results for gradient Ricci soliton warped metrics. The proofs stem from the construction of gradient Ricci solitons that are real…
Strong correlations between power-law growth of COVID-19 in four continents and the inefficiency of soft quarantine strategies
Cesar Manchein, Eduardo L. Brugnago, Rafael M. da Silva +2
In this work we analyse the growth of the cumulative number of confirmed infected cases by the COVID-19 until March 27th, 2020, from countries of Asia, Europe, North and South Amer…
Performance Assessment of WhatsApp and IMO on Android Operating System (Lollipop and KitKat) during VoIP calls using 3G or WiFi
R. C. de Oliveira, H. M. de Oliveira, R. A. Ramalho +1
This paper assesses the performance of mobile messaging and VoIP connections. We investigate the CPU usage of WhatsApp and IMO under different scenarios. This analysis also enabled…