Arkadiusz Jadczyk - Open system

  The 9th of May is a Victory Day We start with the spheres. Spheres In Part 11 Proposition 1, using the inverse stereographic projection,...

Today it is short. Just to inform my readers, that I have just finished collecting my posts on Lie sphere geometry published so far into a s...

 We humans are poor creatures. We are bound by our genetics, imprisoned within three spatial dimensions, residing on a beautiful but other...

Oriented planes in R 3 are images by stereographic projection of those oriented spheres in S 3 that contain the point - e 0 . In this pos...

  This post is a continuation of Part 9 . Working on this post gave me a real headache. All was going fine until it came to deciding the v...