Is it possible to compare researchers with different scientific interests?
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TL;DR
A complementary index hI = h^2/N_t, with N_t being the total number of authors in the considered h papers, is proposed for comparison among different research areas.
Abstract
The number h of papers with at least h citations has been proposed to\nevaluate individual's scientific research production. This index is robust in\nseveral ways but yet strongly dependent on the research field. We propose a\ncomplementary index hI = h^2/N_t, with N_t being the total number of authors in\nthe considered h papers. A researcher with index hI has hI papers with at least\nhI citation if he/she had published alone. We have obtained the rank plots of h\nand hI for four Brazilian scientific communities. Contrasting to the h-index\ncurve, the hI index present a perfect data collapse into a unique allowing\ncomparison among different research areas.\n