A simple graph is regular if every vertex has the same degree.
(a) For which positive integers n are the following graphs regular: $C _ { n } , W _ { n } , K _ { n } , Q _ { n } ?$
(b) For which positive integers m and n is $K _ { m , n }$ regular?

Question

A simple graph is regular if every vertex has the same degree.
(a) For which positive integers  n  are the following graphs regular:  $C _ { n } , W _ { n } , K _ { n } , Q _ { n } ?$
(b) For which positive integers  m  and  n  is $K _ { m , n }$ regular?

Quizplus · Accepted Answer

The Answer of A simple graph is regular if every vertex has the same degree.
(a) For which positive integers  n  are the following graphs regular:  $C _ { n } , W _ { n } , K _ { n } , Q _ { n } ?$
(b) For which positive integers  m  and  n  is $K _ { m , n }$ regular?

A Simple Graph Is Regular If Every Vertex Has the Same