[seqfan] Re: Please name this function.

[allouche at math.jussieu.fr]

At least a ring homomorphism
jpa

Jean-François Alcover <jf.alcover at gmail.com> a écrit :

> I presume a mathematician would call it a "field homomorphism".
> JFA
>
> 2012/9/9 Ed Jeffery <lejeffery7 at gmail.com>
>
>> I know this is the wrong place to ask the following, so I apologize, but I
>> have been searching for many days and cannot find the answer:
>>
>> What is the name of a function that is both additive and multiplicative but
>> not arithmetic (in the sense that x and y are usually not integers), such
>> that
>>
>> f(x+y) = f(x)+f(y)
>>
>> and
>>
>> f(x*y) = f(x)*f(y)?
>>
>> Thanks in advance.
>>
>> LEJ
>>
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