Skip to primary content

Main menu

  • Home
  • About
  • Annals of the Institute of STEM
  • Combinatorics
  • Disclaimer
  • From Differential Geometry to Topology Summer School 2026
  • Geometrical Graphs
  • Geometry
  • Hopf, and Linear Algebra of Triangles and Quadrilaterals, Summer Schools 2024
  • Online Encyclopaedia of Applied Graph and Order Theory
  • Online Encyclopaedia of Tensors and other Multi-linear Arrays
  • Topology
  • Two infinite families of generalizations of Stewart’s Theorem

Post navigation

← Previous Next →

Riddle 15+

Posted on November 13, 2025 by insttheorystem
Riddle-15Download

Give a conceptual description of how I am related to Riddle 5’s graph. What is my edge-chromatic number? And what is my crossing number?

Share this:

  • Share on X (Opens in new window) X
  • Share on Facebook (Opens in new window) Facebook
Like Loading...

Related

This entry was posted in Uncategorized by insttheorystem. Bookmark the permalink.
Create a website or blog at WordPress.com
  • Reblog
  • Subscribe Subscribed
    • institute-theory-stem.org
    • Already have a WordPress.com account? Log in now.
    • institute-theory-stem.org
    • Subscribe Subscribed
    • Sign up
    • Log in
    • Copy shortlink
    • Report this content
    • View post in Reader
    • Manage subscriptions
    • Collapse this bar
%d