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Showing 2011Show all
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physics.gen-ph2011★ 60 cited
Notes on dark energy interacting with dark matter and unparticle in loop quantum cosmology
Mubasher Jamil, D. Momeni, Muneer A. Rashid
We investigate the behavior of dark energy interacting with dark matter and unparticle in the framework of loop quantum cosmology. In four toy models, we study the interaction betw…
math.RA2011
*-Clean Rings; Some Clean and Almost Clean Baer *-rings and von Neumann Algebras
Lia Vas
A ring is clean (resp. almost clean) if each of its elements is the sum of a unit (resp. regular element) and an idempotent. In this paper we define the analogous notion for *-ring…