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May
19
revised Proof that any simple connected graph has at least 2 non-cut vertices.
typo
Mar
28
awarded  Notable Question
Mar
15
comment Right Triangle Theorem/terminology
And does the latter have a name?
Mar
15
comment Right Triangle Theorem/terminology
That's not obvious to me. Can you please elaborate?
Mar
15
asked Right Triangle Theorem/terminology
Oct
28
revised Show that a graph G cannot exist with vertices of the given degree
Added link.
Sep
30
accepted Relationship between Difference of Two Numbers and Their Square Roots
Sep
30
comment Relationship between Difference of Two Numbers and Their Square Roots
Ach, my math is rusty, but I'll look into that.
Sep
30
asked Relationship between Difference of Two Numbers and Their Square Roots
Sep
3
awarded  Popular Question
Aug
24
awarded  Nice Question
Jul
2
awarded  Curious
Apr
14
awarded  Notable Question
Nov
24
awarded  Critic
Nov
24
comment Algorithm Analysis on Recurrence Relation.
This question might actually be more appropriate for the cs site.
Nov
24
revised Algorithm Analysis on Recurrence Relation.
clarification
Nov
24
answered Algorithm Analysis on Recurrence Relation.
Nov
20
awarded  Popular Question
Nov
18
comment Prove using mathematical induction that for every positive integer n, $\sum_{i=1}^n ( i * 2^i ) = (n-1) 2^{n+1} + 2 $
It's false for $n=1$.
Nov
15
answered Clarification on solution to a problem: