On Tuesday, June 16, 2020 at 4:40:45 AM UTC-7, kcrisman wrote:
>
>
> For several more points of view (some articulated by people on the current 
> thread), see also the (long) discussion that the ticket you mention led to 
> on this forum, seven years ago: 
> https://groups.google.com/forum/#!topic/sage-devel/tAAb42Edh9o
>

That's quite a thread. One thing I'd like to highlight from there that 
didn't seem to get so much traction is a point Marco Streng made about 
possible notations for right actions:

If G is a group acting on the right on a ring R, and a,b in R and s in G 
then denoting right-action by right-multiplication has a problem:

(a*b)*s would suggest it's equal to a*(b*s), which it is generally not. 
Exponential notation (a*b)^s does not suffer from this problem. That 
disqualifies right-multiplication as a general notation for right-actions 
to me.


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