@lindsey
Tangent2 (incl. note to myself):

I've been thinking/writing/advocating #PingCoincidence #PingCoincidenceLattice #PingDuration (cmp. in German "Ping-Koinzidenz" "Ping-Koinzidenz-Gitter" "Pingdauer") as basic construction or method of measurement in #Relativity implementing [Einstein's maxime](http://einsteinpapers.press.princeton.edu/vol6-trans/165?highlightText=coincidences)

[Your article](https://decomposition.al/blog/2023/01/18/enforcing-causally-ordered-message-delivery-on-the-senders-side/) uses the term "ack" ("#acknowledgement"); correspondingly #AckCoincidence #AckCoincidenceLattice
but not "AckDuration" !

(1/2)

@ocfnash
http://olivernash.org/2018/07/08/poring-over-poncelet/index.html

Awesome!
I'd love to find out about #Poncelet generalizations or related results in 3+1 dimensional flat #MinkowskiSpace, with

- all relevant edges along light cones (Are those "singular" and perhaps problematic, even in 3+1 D ?), and

- the \(n\)-sided polygon generalized to a #PingCoincidenceLattice (cmp. my sketch https://mathstodon.xyz/@MisterRelativity/109435130217990848 )

#SpaceTime #InertialFrame #geometry #relativity

@ngons

https://media.mathstodon.xyz/media_attachments/files/109/508/095/623/465/923/original/8e491ea678a51830.png

Neat!
Related question:
Attaching \(n\) equal tetrahedra face-to-face in some 3D-sequence, how close (in terms of a positive fraction of edge length) can two vertices be, as a function of \(n\) ?

#PingCoincidenceLattice #Spacetime

Here's my first very rudimentary attempt at sketching a #PingCoincidenceLattice consisting of 10 participants in the configuration of a 10-vertices elementary cell of a [tetrahedral-octahedral honeycomb]( https://en.wikipedia.org/wiki/Tetrahedral-octahedral_honeycomb )

#Graphics #Mathematica #Relativity #SpaceTime #SpaceTimeCoincidences #InertialFrame