Timeline for Identity for Power Series and Binomial Coefficients
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 29, 2015 at 22:51 | vote | accept | Clay Cordova | ||
| Jan 29, 2015 at 22:50 | vote | accept | Clay Cordova | ||
| Jan 29, 2015 at 22:51 | |||||
| Jan 25, 2015 at 16:07 | comment | added | Noam D. Elkies | You're welcome. For other $j$ there doesn't seem to be such a nice formula, except in the roughly-complementary case of $j=k-1$. Otherwise the power-series coefficients, written as polynomials in $N$, are generally irreducible once you remove the factor of $N$. (For $j=1$ they factor completely, which soon led me to surmise the formula above.) | |
| Jan 25, 2015 at 13:35 | comment | added | Clay Cordova | Thanks Noam! I will look into this idea. Does anything similar work in the case j>1? | |
| Jan 25, 2015 at 5:52 | history | answered | Noam D. Elkies | CC BY-SA 3.0 |