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[Page generation failure. The bibliography processor requires a browser with Javascript enabled.] In cellular networks, channels must be assigned to call requests so that interference constraints are respected and bandwidth is minimized. The number of call requests per cell is continually changing, making channel assignment naturally an online problem. We describe two new online channel assignme... |

[Page generation failure. The bibliography processor requires a browser with Javascript enabled.] In this work, we study the modified beta function View the MathML source that appeared in Marus˘ić and Bajzer’s solution [M. Marus˘ić, Z˘. Bajzer, Generalized two-parameter equation of growth, J. Math. Anal. Appl. 179 (1993) 446–462] of the generalized two-parameter equation of tumor growth... |

[Page generation failure. The bibliography processor requires a browser with Javascript enabled.] A theoretical study of the electronic structure of the (111) surfaces of CoSi2 and NiSi2 and their interfaces with Si has been carried out with particular attention paid to the existence of localized states. A Green function method has been used within the empirical tight-binding approximation to ca... |

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[Page generation failure. The bibliography processor requires a browser with Javascript enabled.] A tight-binding investigation is performed of the electronic structure of a semi-infinite monatomic chain, whose atomic orbitals are assumed to be non-orthogonal, so that the effects of overlap can be taken into account. In addition to markedly modifying the bulk band-edges, the presence of overlap ... |

[Page generation failure. The bibliography processor requires a browser with Javascript enabled.] A brief overview is given of the theory of surface-ion neutralization (SIN) by highlighting studies from the pioneering days to the present time. Emphasis is placed on the 1-electron time-dependent Newns-Anderson (TDNA) model, which has played such a key role in studying resonance charge transfer. R... |

[Page generation failure. The bibliography processor requires a browser with Javascript enabled.] We study the generalized quantum isotonic oscillator Hamiltonian given by
𝐻
=
−
𝑑
2
/
𝑑
𝑟
2
+
𝑙
(
𝑙
+
... |

[Page generation failure. The bibliography processor requires a browser with Javascript enabled.] A multiplicative semigroup of idempotent operators is called an operator band. We prove that for each K > 1 there exists an irreducible operator band on the Hilbert space l(2) which is norm-bounded by K. This implies that there exists an irreducible operator band on a Banach space such that each ... |

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[Page generation failure. The bibliography processor requires a browser with Javascript enabled.] A methodology of transmission through two-dimensional tight-binding lattices is presented. The theory is formulated in terms of matrix algebra and the relationships between the matrices are examined in detail. The features specific to tight-binding systems are contrasted to those for more general tr... |

[Page generation failure. The bibliography processor requires a browser with Javascript enabled.] We study sets on which measurable real-valued functions on a measurable space with negligibles are determined by their range. |

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[Page generation failure. The bibliography processor requires a browser with Javascript enabled.] Question: Does fluctuating natural selection on body size of fish among years (balancing selection) influence the frequency of an alternative male reproductive tactic? Hypothesis: When the surviving juveniles of a cohort are larger because of selection, a higher proportion of the population will dev... |

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[Page generation failure. The bibliography processor requires a browser with Javascript enabled.] This is a survey paper giving a self-contained account of Shelah's theory of the pcf function pcf(a) = {cf(PI a/D, < D): D is an ultrafilter on a}, where a is a set of regular cardinals such that \a\ < min(a). We also give several applications of the theory to cardinal arithmetic, the exi... |

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[Page generation failure. The bibliography processor requires a browser with Javascript enabled.] We present a theoretical model for studying the effects of an electromagnetic (laser) field on the process of neutralization of an ion during scattering by a surface. The model is part of a many-electron theory within the framework of a time-dependent version of the Anderson-Newns model. Where we sp... |

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[Page generation failure. The bibliography processor requires a browser with Javascript enabled.] A many-electron theory of resonant charge transfer, originally formulated for the scattering of an atom with an empty valence orbital from a surface, is extended to treat the case where the valence orbital is initially occupied by one or two electrons. The scattering of He and He+ from the Si(001) s... |