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 Excavator
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May
23
revised Does a $K_n$ with $n$ pendants have a name?
fixed link after title change
May
23
awarded  Excavator
May
23
revised Eccentricity in corona product
made title more descriptive
May
23
revised Does a $K_n$ with $n$ pendants have a name?
Added link to original paper
May
23
suggested approved edit on Eccentricity in corona product
May
23
answered Does a $K_n$ with $n$ pendants have a name?
Apr
29
revised Is the adjacency matrix of a given graph (OR any graphs isomorphic to a given graph) a Kronecker product, and if so what are the factors?
edited body
Apr
29
revised Is the adjacency matrix of a given graph (OR any graphs isomorphic to a given graph) a Kronecker product, and if so what are the factors?
added 2 characters in body
Apr
29
suggested rejected edit on Is the adjacency matrix of a given graph (OR any graphs isomorphic to a given graph) a Kronecker product, and if so what are the factors?
Apr
29
revised Is the adjacency matrix of a given graph (OR any graphs isomorphic to a given graph) a Kronecker product, and if so what are the factors?
added 44 characters in body
Apr
29
answered Is the adjacency matrix of a given graph (OR any graphs isomorphic to a given graph) a Kronecker product, and if so what are the factors?
Apr
19
answered Approach to determining if a graph is planar by inspection/kuratowski's theorem
Apr
15
comment Simple maths and a typo: impossible answer?
There are also solutions with $y=18$ and $y=-19$ since we then have $(2a-1)^2=13^2$ and we can have $a=7$ or $a=-6$.
Feb
16
answered Prove if r is the smallest positive integer such that all entries of at least one row of Sr are positive, then rad(G) = r.
Jan
29
answered Find all natural numbers for which $3\binom{2n}{n+1}=2\binom{2n+1}{n-1}$ holds true
Jan
26
revised Rank in row echelon form
1-cd not -cd+1
Jan
26
revised Rank in row echelon form
added 35 characters in body
Jan
26
answered Rank in row echelon form
Dec
20
awarded  Constituent
Dec
9
awarded  Caucus