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removed an extraneous underscore

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edited Oct 30 2009 at 1:33

This is, at least, how it went for me just now:

Read:                Think:

field                Q(sqrt 2), or some other number field
finite group         symmetric group
Lie group            the torus R^2/Z^2
ring                 a matrix ring over... some other ring
commutative ring     a polynomial ring k[x_1,...,x__nk[x_1,...,x_n]
Lie algebra          sl(2)

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answered Oct 29 2009 at 12:06

Brad Hannigan-Daley
415●2●12

This is, at least, how it went for me just now:

Read:                Think:

field                Q(sqrt 2), or some other number field
finite group         symmetric group
Lie group            the torus R^2/Z^2
ring                 a matrix ring over... some other ring
commutative ring     a polynomial ring k[x_1,...,x__n]
Lie algebra          sl(2)