Array ( [0] => Array ( [title] => L21A [link] => https://www.youtube.com/embed/ATY_gkJbfNQ ) [1] => Array ( [title] => L21B [link] => https://www.youtube.com/embed/UteTnjk0BAk ) [2] => Array ( [title] => L21C [link] => https://www.youtube.com/embed/otP5yRAYc9w ) [3] => Array ( [title] => L21D [link] => https://www.youtube.com/embed/ogk1m2TvR0I ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第21講 Euler Trails and Circuits and Planar Graphs

Title

第21講 Euler Trails and Circuits and Planar Graphs

第1節

L21A

第2節

L21B

第3節

L21C

第4節

L21D

Syllabus

章節大綱

L21A
      Euler Trails and Circuits

      00:00 Review
      01:00 Example
      12:20 Corollary



L21B
     
 Planar Graphs
     00:00 Definition of a planar graph
      05:30 Example
                (complete graphs which are planar graphs )
      15:40 Definition of a bipartite graph
      18:40 Example (complete bipartite graphs )
      24:30 Example
                (a complete bipartite graph which is not a planar graph )
 

L21C
      Planar Graphs
      00:00 Examples of regions
      05:00 Theorem (Euler's theorem for planar graphs)

 
L21D
      Planar Graphs
      00:00 Theorem (cont. )
      09:40 Definition of the girth
      12:50 Examples