Can Recombination Displace Dominant Scientific Ideas

Fuente: arXiv
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Main Authors: Li, Linzhuo, Lin, Yiling, Wu, Lingfei
Format: Preprint
Published: 2025
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author Li, Linzhuo
Lin, Yiling
Wu, Lingfei
author_facet Li, Linzhuo
Lin, Yiling
Wu, Lingfei
contents The combination of diverse, pre-existing knowledge is a common explanation for scientific breakthroughs. However, a paradox exists: while scientific output and the potential for such recombination have grown exponentially, the rate of breakthrough discoveries has not. To explore this paradox, our study examines 41 million scientific articles from 1965 to 2024. We measure two key properties for each paper: atypicality, which quantifies the combination of knowledge from conceptually distant areas, and disruption. We demonstrate that these metrics capture distinct processes. Atypicality is characteristic of work that extends established concepts into new topical areas (a form of cross-topic recombination). Disruption, in contrast, signifies the replacement of a dominant idea within its own topic.
format Preprint
id arxiv_https___arxiv_org_abs_2506_15959
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Can Recombination Displace Dominant Scientific Ideas
Li, Linzhuo
Lin, Yiling
Wu, Lingfei
Digital Libraries
Physics and Society
The combination of diverse, pre-existing knowledge is a common explanation for scientific breakthroughs. However, a paradox exists: while scientific output and the potential for such recombination have grown exponentially, the rate of breakthrough discoveries has not. To explore this paradox, our study examines 41 million scientific articles from 1965 to 2024. We measure two key properties for each paper: atypicality, which quantifies the combination of knowledge from conceptually distant areas, and disruption. We demonstrate that these metrics capture distinct processes. Atypicality is characteristic of work that extends established concepts into new topical areas (a form of cross-topic recombination). Disruption, in contrast, signifies the replacement of a dominant idea within its own topic.
title Can Recombination Displace Dominant Scientific Ideas
topic Digital Libraries
Physics and Society
url https://arxiv.org/abs/2506.15959