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Paraunitary matrices and group rings [PDF]

open access: yesInternational Journal of Group Theory, 2014
Design methods for paraunitary matrices from complete orthogonal sets of idempotents and related matrix structuresare presented. These include techniques for designing non-separable multidimensional paraunitary matrices.
Barry Hurley, Ted Hurley
doaj  

2-Homogeneous C*-algebras with the space of primitive ideals homeomorphic to a two-dimensional oriented compact connected manifold generated by idempotents

open access: yesЖурнал Белорусского государственного университета: Математика, информатика, 2018
Before showed in 1961 that every n-homogeneous C*-algebra is isomorphic to the algebra of all continuous sections for the appropriate algebraic bundle. The base space for the bundle is homeomorphic to the space of primitive ideals for the algebra in the ...
Mikhail V. Shchukin
doaj  

Idempotent plethories

open access: yesJournal of Algebra, 2016
I found some critical errors that I was unable to ...
openaire   +3 more sources

Idempotent distributive semirings II

open access: yesSemigroup Forum, 1983
In [2] it is shown that every idempotent distributive semiring is the Plonka sum of a semilattice ordered system of idempotent distributive semirings which satisfy the generalized absorption law x+xyx+x=x. We shall show that an idempotent distributive semiring which satisfies the above absorption law must be a subdirect product of a distributive ...
openaire   +2 more sources

Idempotent Varieties of Incidence Monoids and Bipartite Posets

open access: green, 2022
Mahir Bilen Can   +2 more
openalex   +2 more sources

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