The Rise of the Lone Scientist Under Agentic AI A new single-author arXiv paper (2610.34449v1) reports that single-author papers rose 70% in mathematics, 71% in condensed matter physics and 44% in quantitative biology in the first nine months of 2026, with mathematics' lone-author share climbing from a 28.8% average to 37.7% by September 2026. The author, based in the Department of Physics at Imperial College London and writing with heavy use of Anthropic's Claude Opus 5.5, attributes the shift to agentic AI letting individual scientists do work that previously required collaborators, and disputes arXiv's claim that a few hyperproductive submitters drive the surge. The effect is absent in experimental particle physics, where large teams remain essential. Anderson's Angle https://www.unite.ai/series/andersons-angle/ The Rise of the Lone Scientist Under Agentic AI Add Unite.AI to your preferred sources on Google https://www.google.com/preferences/source?q=unite.ai I have for some years held scientific papers with sole authorship at a disadvantage in terms of credibility. It’s not an uninformed prejudice; too often a click on a sole-authored paper with an interesting premise leads into a self-indulgent and clearly under-challenged series of suppositions. At their worst, solo-author papers suggest shades of Frankenstein – obsessive central figures fixated on an idea, but unable to find collaborators due to the irrationality or marginality of that idea; and then going it alone and publishing anyway, in case their fringe viewpoint should find an answering voice among the readership. I should note, however, that there are several categories besides Computer Science where sole authorship is common, if not the norm, such as the various strands in the Humanities, where some of the most significant works in their field are the products of single minds All For One Lately, however, I have noticed not only that there are a greater number of sole-author papers turning up in the Arxiv preprint server, even to the point where I can no longer indulge my aversion; but, surprisingly, that the quality of these papers seems to be notably better than in prior years. This intermittent observation has today been directly addressed in a new study – itself from a sole author heavily using Claude Opus 5.5 https://www.unite.ai/anthropic-releases-claude-opus-5-5-with-lower-pricing-and-new-safeguards/ – that analyzes submission statistics at arxiv.org, and finds that the proportion of scientific papers written by lone authors has risen steeply since late 2025 – particularly in mathematics, condensed matter physics and quantitative biology. In the first nine months of 2026, the new paper https://arxiv.org/pdf/2610.34449v1 asserts, single-author papers increased by 70% in mathematics; 71% in condensed matter physics; and 44% in quantitative biology. And, in mathematics, the share of papers written by one person had risen from a longstanding average of 28.8% to 37.7% by September of 2026: Of note is that the shift is absent from experimental particle physics, where large research teams are still essential. The author of the paper – who himself confesses at the paper’s conclusion that his entire contribution to it ‘consisted of some 60 interactions with Claude ’ – suggests that agentic AI may be empowering individual scientists to undertake research that would previously have required collaborators. The study also found that the explosion https://www.unite.ai/fighting-ai-slop-in-science-papers/ in scientific papers is not chiefly the work of a few hyperproductive individuals flooding arXiv with submissions, as Arxiv itself contends; but rather that far more scientists are publishing – and, increasingly, doing so alone