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Questions about the properties of vector spaces and linear transformations, including linear systems in general.
1
vote
0
answers
126
views
Algebraic structures on graphs
There are many algebraic structures linked to graphs.
For example one can find zero divisor graphs $[1]$, $[2]$ and many other graphs.
Does there exist any survey paper which characterizes all th …
9
votes
3
answers
3k
views
What happens to eigenvalues when edges are removed?
I am stuck at the following :
Let $G$ be a graph and $A$ is its adjacency matrix.
Let the eigenvalues of $A$ be $\lambda_1\le \lambda_2\leq \cdots \leq \lambda_n$.
If we remove some edges from the …
0
votes
1
answer
257
views
Survey papers on spectral radius [closed]
Let $M$ be a $n\times n$ matrix.
Are there any survey papers which give lower and upper bounds on its spectral radius?
What are the ways to find some lower bounds and upper bounds on $\rho(M)$ excep …