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Strong connectivity in real directed networks.
Rodgers N, Tiňo P, Johnson S. Rodgers N, et al. Among authors: johnson s. Proc Natl Acad Sci U S A. 2023 Mar 21;120(12):e2215752120. doi: 10.1073/pnas.2215752120. Epub 2023 Mar 16. Proc Natl Acad Sci U S A. 2023. PMID: 36927153 Free PMC article.
How directed is a directed network?
MacKay RS, Johnson S, Sansom B. MacKay RS, et al. Among authors: johnson s. R Soc Open Sci. 2020 Sep 9;7(9):201138. doi: 10.1098/rsos.201138. eCollection 2020 Sep. R Soc Open Sci. 2020. PMID: 33047061 Free PMC article.
Looplessness in networks is linked to trophic coherence.
Johnson S, Jones NS. Johnson S, et al. Proc Natl Acad Sci U S A. 2017 May 30;114(22):5618-5623. doi: 10.1073/pnas.1613786114. Epub 2017 May 16. Proc Natl Acad Sci U S A. 2017. PMID: 28512222 Free PMC article.
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