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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.CO2017
Zeons, Permanents, the Johnson scheme, and Generalized Derangements
Philip Feinsilver, John McSorley
Starting with the zero-square "zeon algebra" the connection with permanents is shown. Permanents of sub-matrices of a linear combination of the identity matrix and all-ones matrix…