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Results tagged with notation
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user 3634
For questions about mathematical notation, i.e. the symbols used to represent mathematical objects and operations.
2
votes
notation for finite sequence with one element is removed
Borrowing from simplicial sets/complexes, $d_i: \mathbf{n-1} \to \mathbf{n}$
is the map that skips $i$, so your sequences would be $x\circ d_i$.
- 12.5k
4
votes
1
answer
3k
views
Notation for algebras
Is there standard notation for
(1) exterior algebras
(2) free graded commutative algebras
(3) divided polynomial algebras ? … I've seen (and used) $\Lambda$, $\Gamma$, $\Delta$ etc. used for some or all of these things, and I have no idea if there is a consensus about which notation goes with which algebra. …
- 12.5k
2
votes
0
answers
72
views
Terminology and notation for generated subgroups
I know, of course, that I could use
$H = \langle A\cup B\rangle$, but I'd rather have a notation along the lines of $H = A \star B$
or something. … Is there standard notation and terminology for this? …
- 12.5k