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Featuring Professor Maria Chudnovsky from Princeton University - see part two about her work on Perfect Graphs ...

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A planar graph is a graph that can be drawn in the plane without any edge crossings. Such a drawing (with no edge crossings) is ...

Forth mini-lecture in Graph Theory Series.

A description of planar graph duality, and how it can be applied in a particularly elegant proof of Euler's Characteristic Formula.

We look at planar graphs and how to determine if a graph is planar or not. Visit our website: http://bit.ly/1zBPlvm Subscribe on ...

This video introduces planar graphs and Euler's formula. http://mathispower4u.com.

Simple, easy to understand math videos aimed at High School students.

Support the production of this course by joining Wrath of Math to access all my graph theory videos!

Proving relationships between the number for faces, edges, and vertices--and degrees of the faces and vertices--for simple, ...

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This video is part of an online course, Intro to Algorithms. Check out the course here: https://www.udacity.com/course/cs215.

In this video we define a maximal planar graph and prove that if a maximal planar graph has n vertices and m edges then m ...

Simple, easy to understand math videos aimed at High School students.

We have seen in a previous video that K5 and K3,3 are non-planar. In this video we define an elementary subdivision of a graph, ...

Euler's Theorem for Polyhedra and Planar Graphs establishing a relationship between the number of faces, edges, and vertices.

In this video we formally prove that the complete graph on 5 vertices is non-planar. Then we prove that a planar graph with no ...

Support the production of this course by joining Wrath of Math to access all my graph theory videos!

You call a graph planar, if you can draw it on a plane, a sheet of paper such that edges don't intersect, now look at this complete ...

To put them look at planar graphs and faces so I'm going to draw a planar graph of K 3 to begin with so the planar graph of K 3 K 3 ...

In a connected plane graph with n vertices, m edges and r regions, Euler's Formula says that n-m+r=2. In this video we try out a ...

This video defines non-planar graphs and proves K_5 and K_3,3 are non-planar graphs using proof by contradiction.

We discuss Euler's formula for planar graphs and its applications. Course: Math 301 at Colorado State University Lecturer: Maria ...

v-e+r-c=1 for a plane drawing of a general graph with v vertices, e edges, r regions, and c connected components. We give a proof ...