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Questions related from Issam Kaddoura
A square matrix A such that An+1 = A is called a periodic matrix. The minimum positive integer n with such property is called the period of the matrix A. The following properties are...
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A square matrix such that A=A² is called an idempotent matrix. Here are some well-known results about idempotent matrices. (1) If A is idempotent, then I - A and A^(T) are idempotent...
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Assume that an author X proposed a statement (S). The RG members using a concrete proof judge (S) as a wrong claim. X insisted (S) is right based on some cheap Journal publications. I think such...
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If P is a permutation matrix, what is the smallest positive integer k such that Pk = I the identity.
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