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 May 2 accepted Show that the determinant of $A$ is equal to the product of its eigenvalues. Jan 10 awarded Yearling Oct 23 awarded Good Question Mar 23 asked Sinusoid with zero boundary conditions on $[0,1] \times [0,1]$ grid Jan 13 awarded Famous Question Jan 10 awarded Yearling Jan 10 awarded Notable Question Jan 5 awarded Popular Question Sep 30 awarded Explainer Jul 2 awarded Curious Apr 21 awarded Notable Question Apr 18 revised Forest fire simulation; analytically constructing a function for tree residual after fire Added simulation tag Apr 18 revised Forest fire simulation; analytically constructing a function for tree residual after fire Added post scriptum 2, along with image. Apr 18 asked Forest fire simulation; analytically constructing a function for tree residual after fire Mar 25 answered How many routes possible in the traveling salesman problem with $n$ cities? And more… Mar 22 awarded Good Answer Mar 12 comment Show that $K_n \boxtimes K_n = K_{n^2}$, where $K_n$ is a complete graph of $n$th order. Or equivalently $\frac{n(n-1)}{2}$.. Mar 12 comment Show that $K_n \boxtimes K_n = K_{n^2}$, where $K_n$ is a complete graph of $n$th order. Note that $K_n$ has $\binom{n}{2}$ edges.. Mar 11 answered What does this mean? $K_n \boxtimes K_n$ Mar 6 awarded Nice Question