activity
20192022
most citedCOVID-19 impact on the international trade

14 citations · 14 across the 1 of their papers we have counts for

collaborators

6 papers

q-fin.ST202214 cited

COVID-19 impact on the international trade

Célestin Coquidé, José Lages, Leonardo Ermann +1

Using the United Nations Comtrade database, we perform the Google matrix analysis of the multiproduct World Trade Network (WTN) for the years 2018-2020 comprising the emergence of…

physics.soc-ph2021

PageRank computation for Higher-Order Networks

Célestin Coquidé, Julie Queiros, François Queyroi

Higher-order networks are efficient representations of sequential data. Unlike the classic first-order network approach, they capture indirect dependencies between items composing…

cs.SI2020

Novel version of PageRank, CheiRank and 2DRank for Wikipedia in Multilingual Network using Social Impact

Célestin Coquidé, Włodzimierz Lewoniewski

Nowadays, information describing navigation behaviour of internet users are used in several fields, e-commerce, economy, sociology and data science. Such information can be extract…

q-fin.TR2020

Crisis contagion in the world trade network

Célestin Coquidé, José Lages, Dima L. Shepelyansky

We present a model of worldwide crisis contagion based on the Google matrix analysis of the world trade network obtained from the UN Comtrade database. The fraction of bankrupted c…

q-fin.TR2019

Contagion in Bitcoin networks

Célestin Coquidé, José Lages, Dima L. Shepelyansky

We construct the Google matrices of bitcoin transactions for all year quarters during the period of January 11, 2009 till April 10, 2013. During the last quarters the network size…

q-fin.TR2019

Interdependence of sectors of economic activities for world countries from the reduced Google matrix analysis of WTO data

Célestin Coquidé, José Lages, Dima L. Shepelyansky

We apply the recently developed reduced Google matrix algorithm for the analysis of the OECD-WTO world network of economic activities. This approach allows to determine interdepend…