Journal
SCIENTIFIC REPORTS
Volume 8, Issue -, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41598-018-32643-4
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Funding
- Agencia Estatal de Investigacion (AEI, Spain)
- Fondo Europeo de Desarrollo Regional under Project ESoTECoS Grant (AEI/FEDER, UE) [FIS2015-63628-C2-2-R]
- Agencia Estatal de Investigacion (AEI, Spain) through the Maria de Maeztu Program for Units of Excellence in RD [MDM-2017-0711]
- Chungbuk National University
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We study the competition of two spreading entities, for example innovations, in complex contagion processes in complex networks. We develop an analytical framework and examine the role of dual users, i.e. agents using both technologies. Searching for the spreading transition of the new innovation and the extinction transition of a preexisting one, we identify different phases depending on network mean degree, prevalence of preexisting technology, and thresholds of the contagion process. Competition with the preexisting technology effectively suppresses the spread of the new innovation, but it also allows for phases of coexistence. The existence of dual users largely modifies the transient dynamics creating new phases that promote the spread of a new innovation and extinction of a preexisting one. It enables the global spread of the new innovation even if the old one has the first-mover advantage.
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