[Topologos] Workshop #71 about the topologies of the object #2

Dear friends and colleagues Our last workshop on September 12 is now available on YouTube, there is some delay to find it on Lutecium, it will be available probably soon. But you can have an access to it there: Topologies of the Object #2 <https://youtu.be/Q4gue7KMxjg> the chapters we have been through are: 5. Geometry of the Projective Plane 6. Standing on the Object a 7. Navigate over the Projective Plane; R schema, I Schema 8. Small encounter with the Cross Cap 9. Crossing over the Phantasm (revisited) A third one will take place in October or maybe in November Your comments are welcome All the best Jacques