Timeline for when will the surfficient large power of a rational matrix be a integer matrix?
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 7, 2014 at 7:25 | comment | added | Gerry Myerson | $$\pmatrix{1/2&3/2\cr5/2&7/2\cr}$$ | |
| May 7, 2014 at 4:42 | history | edited | The Masked Avenger | CC BY-SA 3.0 |
added 194 characters in body
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| May 7, 2014 at 4:40 | comment | added | Steven Landsburg | Masked Avenger: Gerry is probably thinking of something like $$\pmatrix{3/2&5/4\cr 1&3/2\cr}$$ | |
| May 7, 2014 at 4:15 | comment | added | The Masked Avenger | With nonnegative entries? I considered 2 by 2 orthogonal matrices, and then decided to try a design. Certainly present a simpler example if you wish; my mind has not yet hit on it. | |
| May 7, 2014 at 4:11 | comment | added | Gerry Myerson | $15\times15$?! There's a $2\times2$ that shows they're not equivalent. | |
| May 7, 2014 at 4:09 | history | answered | The Masked Avenger | CC BY-SA 3.0 |