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visits member for 2 years
seen Sep 4 '12 at 6:46

Feb
28
awarded  Notable Question
Oct
27
awarded  Notable Question
Aug
22
awarded  Popular Question
Apr
17
awarded  Popular Question
Aug
31
comment Consider a graph G such that at least one vertex v is connected to all other vertices. Prove that G is not bipartite.
Thank you, I was really confused. You assume that when they ask you to prove something, that it can be done.
Aug
31
asked Consider a graph G such that at least one vertex v is connected to all other vertices. Prove that G is not bipartite.
Aug
13
awarded  Supporter
Jul
30
asked Strong Induction Proof: Every natural number = sum of distinct powers of 2
Jul
21
comment Simple Double Summation
That is 1000% better that the textbook. Thank you, that is exactly what I needed to get these problems done!
Jul
21
awarded  Student
Jul
21
asked Simple Double Summation