Journal
SCIENTOMETRICS
Volume 105, Issue 3, Pages 2137-2147Publisher
SPRINGER
DOI: 10.1007/s11192-015-1760-x
Keywords
Co-authorship; Collaboration; Stochastic process; Poisson distribution
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This work studies the trends of co-author numbers in Mathematics, Chemistry and Physics, from 1960 to 2010. Journal data are analyzed to show the common trends across the disciplines. The single-author papers decline continuously over the years. The multi-author papers rise and fall following one another in succession. The data suggest that small-group collaborations in different disciplines go through the same stages at different times. Besides the common trends, the dramatic growth of the co-author number in Physics after 1990 is also discussed.
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