| bio | website | |
|---|---|---|
| location | ||
| age | 22 | |
| visits | member for | 1 year, 11 months |
| seen | 5 hours ago | |
| stats | profile views | 5,580 |
MathSE chatroom co-owner alongside robjohn.
My answers with expository content (may update later):
- "Make-believe" free constructions in algebra
- Sets of lecture notes and articles
- Applications, motivations of the tensor product
- On tensoring with torsion, divisibility and fractions
- Terse description of local fields as $\bullet$-adic complections
- Cycle decomposition & orders of permutations as lcms
- Relation between ${\bf F}_p$ and ${\bf Z}_p$ via Witt vectors
- Cyclotomic structure of the $p$-adics ${\bf Q}_p$
- Representation theory generalizes 1D characters
- $S_n$ is complete for $n\ne2,6$
- Abelian implies Frattini = prime subgroups
- Ford circles, hyperbolic geometry & wt. $0$ modular forms
- Motivation, explanation of asymptotic notation
- Permutation centralizers via internal wreath products
- Characters of symmetric and exterior powers
- What's interesting about the zeros of $\zeta(s)$
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