Re: What is a photon

On 13/06/2025 13:43, Julio Di Egidio wrote:

On 13/06/2025 06:58, Ross Finlayson wrote:
 

Photons are electron-worths of light, in energy,
in a very small region, for a very small amount of time.

 Ideas without referent or substance: indeed, you could say
that of any particle, so that's pointless, in fact rather
missing the point of *a* geometry, not any.
 That said, I do strongly "sympathise" with the it's all fields

OTOH, I do also strongly "sympathise" with *duality*
as fundamental: dialectic/dynamic, as in Yin and Yang.
So, at the moment I just know that I don't know, yet.
Indeed, I need two months, I must preliminarily finish
my study of category theory: there is a formalisation
in terms of arrows only, but then again, I am still
not sure it fully works, the two formulations are not
in fact isomorphic, not on the nose that is:
<https://ncatlab.org/nlab/show/category#equivalence_between_the_two_definitions>

approach, but 1) unless we include the boundary at infinity,
it's just broken, and 2) does it really and fully work?  And
I haven't yet found a clear answer to that last one: but, if
the problem is just "time", that's the bit we have now solved.
 Sometimes I think I am talking to a rubber wall.

-Julio