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| bio | website | homepages.uc.edu/~gruberan |
|---|---|---|
| location | Cincinnati, OH | |
| age | ||
| visits | member for | 1 year, 10 months |
| seen | yesterday | |
| stats | profile views | 2,321 |
Museum of Narcissism:
- A character theoretic proof that $\sum_{k=0}^nq^{k(n-k)}{n \choose k}_q$ is even.
- Which pairs of transpositions and $n$-cycles generate $S_n$?
- Element orders don't tell you much about structure. (1) (2)
- The smallest group containing all groups of order $p$ probably has order less than $p!$
- A lipogrammic answer for DougSmallwood (no e's).
- On arithmetic functions under Dirichlet convolution. (1) (2)
- Groups for which at most two thirds of the elements are involutions.
- Consecutive ones property. (My answer leaves one direction still open.)
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Mathematics♦ | 15,231 rep | 84895 |
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Mathematica | 247 rep | 8 |
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English Language & Usage | 202 rep | 5 |
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TeX - LaTeX | 190 rep | 5 |
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Academia | 183 rep | 5 |
| Reviewer | combinatorics |
| Constituent | Good Question × 7 |
| Nice Answer × 19 | Deputy |
| Taxonomist | Nice Question × 17 |
| Popular Question × 7 | Necromancer × 2 |
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