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math.RA2017
Quantum Observables on a Completely Simple Semigroup
Philip Feinsilver
Completely simple semigroups arise as the support of limiting measures of random walks on semigroups. Such a limiting measure is supported on the kernel of the semigroup. Forming t…
math.RA2016★ 4 cited
Sums of squares of Krawtchouk polynomials, Catalan numbers, and some algebras over the Boolean lattice
Philip Feinsilver
Writing the values of Krawtchouk polynomials as matrices, we consider weighted partial sums along columns. For the general case, we find an identity that, in the symmetric case yie…