Difference between revisions of "Talk:Characteristic"
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BRichtigen (talk | contribs) (n*r = r + r +r + ... + r) |
BRichtigen (talk | contribs) (Characteristic of a field) |
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I don't like the notation n*r, without any introduction, it's rather repeated addition. Maybe a subtle point, but it is different from the multiplication of the ring. For the moment, I'll let it stay... --[[User:BRichtigen|BRichtigen]] 18:26, 14 November 2008 (EST) | I don't like the notation n*r, without any introduction, it's rather repeated addition. Maybe a subtle point, but it is different from the multiplication of the ring. For the moment, I'll let it stay... --[[User:BRichtigen|BRichtigen]] 18:26, 14 November 2008 (EST) | ||
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| + | ==Characteristic of a field== | ||
| + | I'd prefer to introduce the characteristic of a field via the example section, i.e.: | ||
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| + | *If '''R''' is a field, i.e., a ''ring wiht unity'' wherein every non-zero element is invertible, then the characteristic is zero or a prime-number | ||
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| + | --[[User:BRichtigen|BRichtigen]] 07:04, 16 November 2008 (EST) | ||
Revision as of 12:04, November 16, 2008
I don't like the notation n*r, without any introduction, it's rather repeated addition. Maybe a subtle point, but it is different from the multiplication of the ring. For the moment, I'll let it stay... --BRichtigen 18:26, 14 November 2008 (EST)
Characteristic of a field
I'd prefer to introduce the characteristic of a field via the example section, i.e.:
- If R is a field, i.e., a ring wiht unity wherein every non-zero element is invertible, then the characteristic is zero or a prime-number
--BRichtigen 07:04, 16 November 2008 (EST)