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on bi—closed subbands of a band and free idem potent sem irings
semigroup idempotent semiring band bi—closed subband
2009/10/29
The bi—closed subbands of a band are introduced and its som e properties and characterizations are given．By using these results，the free object in the variety of idempotent semiringswhose additive red...
The Wigner Band Random Matrix Model: Studied from the View Point
of a Generalization of Brillouin- Wigner Perturbation Theory
generalization of perturbation theory
energy eigenfunction local spectral density of states
2007/8/15
2001Vol.35No.2pp.143-150DOI:
The Wigner Band Random Matrix Model: Studied from the View Point
of a Generalization of Brillouin- Wigner Perturbation Theory
WANG Wen-Ge
De...