Skip to main content
2 events
when toggle format what by license comment
Oct 11, 2022 at 20:44 comment added André Henriques Your answer is no different from what CSP wrote in his comment. It works with real coefficients, but it doesn't settle the question when working with ℤ coefficients.
Oct 11, 2022 at 20:38 history answered Dmitri Pavlov CC BY-SA 4.0