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visits member for 2 years, 9 months
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9h
revised Does $\frac{0}{0}$ really equal $1$?
added 128 characters in body
10h
revised is there a discipline of mathematics that studies graphical versions of various operations?
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18h
revised Easy to read books on Graph Theory
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1d
revised Easy to read books on Graph Theory
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1d
revised Easy to read books on Graph Theory
added 938 characters in body
Dec
13
revised Evidence against Goldbach's Conjecture?
edited title
Dec
8
revised Easy to read books on Graph Theory
added 155 characters in body
Dec
3
revised How many ways can 25 red balls be put into 3 distinguishble boxes if no box is to contain more than 15 balls?
added 10 characters in body
Nov
28
revised How $a_{13}=0$ in $\begin{bmatrix} {2}&{1}&{0}\\ {1}&{3}&{5} \end{bmatrix}$?
added 4 characters in body
Nov
28
revised Why $f^{+}(v)-f^-(v) =val(f)$ if $v$ is the source?
added 213 characters in body
Nov
27
revised How many words can be written with $aabbbccdd$ such that no two equal letters are adjacent?
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Nov
23
revised A small confusion in network flows (conservation constraints).
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Nov
15
revised A small doubt about slopes.
edited tags; edited title
Nov
13
revised Let $G$ be a simple graph. Show that $m\leq {n \choose 2}$, and determine when equality holds.
deleted 87 characters in body
Nov
11
revised Let $G$ be a simple graph. Show that $m\leq {n \choose 2}$, and determine when equality holds.
deleted 4 characters in body
Oct
26
revised Finite models for Systems of Incidence and Parallelism Axioms?
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Oct
26
revised Finite models for Systems of Incidence and Parallelism Axioms?
edited body
Oct
26
revised Finite models for Systems of Incidence and Parallelism Axioms?
edited tags
Oct
21
revised Showing the equality of two rook polynomials.
edited tags
Oct
17
revised Show that $\mathbb{N}=\{ 0\} \sqcup S(n)$ and also that that union is disjoint?
added 27 characters in body