On 19 May 2015 at 10:17, Simon King <simon.k...@uni-jena.de> wrote:
> Hi Nils,
>
> On 2015-05-18, Nils Bruin <nbr...@sfu.ca> wrote:
>> On Monday, May 18, 2015 at 2:43:46 AM UTC-7, Simon King wrote:
>>
>>> - There are ways to make the conversion automatic, but I would recommend
>>>   against it (perhaps it is safer to use K2.register_conversion instead
>>>   of K2.register_coercion?)
>>> - You can obtain a homomorphism and use it explicitly for conversion.
>>>   Depending on the application, this solution is preferred.
>>>
>>
>> I think registering conversions is only safer in the sense that conversions
>> don't get used automatically in so many situations.
>
> Yes, that's exactly what I meant.
>
> Do you agree that conversion (not coercion) between finite fields of equal
> size (mapping generator to generator) should be enabled by default?

-- assuming that the generators have the same minimal polynomial of
course!  what about the general case?

John

>
> Best regards,
> Simon
>
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