Isabella Novik - Face Numbers - The Upper Bound Side of the Story

Isabella Novik - Face Numbers - The Upper Bound Side of the Story

International Mathematical Union via YouTube Direct link

What proportion of d-polytopes are li l-neighborly

9 of 18

9 of 18

What proportion of d-polytopes are li l-neighborly

Class Central Classrooms beta

YouTube videos curated by Class Central.

Classroom Contents

Isabella Novik - Face Numbers - The Upper Bound Side of the Story

Automatically move to the next video in the Classroom when playback concludes

  1. 1 Intro
  2. 2 I. Basics on Polytopes
  3. 3 Motivation --- the Upper Bound Problem
  4. 4 Properties of cyclic polytopes
  5. 5 A digression: simplicial complexes and simplicials W
  6. 6 The Upper Bound Theorems
  7. 7 Comments
  8. 8 II. There are many more spheres than polytopes
  9. 9 What proportion of d-polytopes are li l-neighborly
  10. 10 Summary so far
  11. 11 III. Cs polytopes and cs spheres
  12. 12 The Upper Bound Problem for cs polytopes and sp.
  13. 13 How neighborly can a cs polytope be?
  14. 14 Cs-2-neighborliness of cs polytopes W
  15. 15 From non-neighborliness to f-numbers W
  16. 16 Does it exist?
  17. 17 It does exist!
  18. 18 Summary and Open problems

Never Stop Learning.

Get personalized course recommendations, track subjects and courses with reminders, and more.

Someone learning on their laptop while sitting on the floor.