https://www.sciencetimes.com/articles/30628/20210413/researcher-disproves-80-year-old-kaplansky-unit-conjecture.htm
80-Year-Old Kaplansky Unit Conjecture Disproved in a Research
Apr 13, 2021 - The Kaplansky unit conjecture has been disproved by a researcher showing a counterexample. The Kaplansky unit conjecture, perhaps the most popular of three...
80 year oldkaplansky unit conjecturedisprovedresearch