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  • 78.70.Dm  (2)
  • Semi-infinite programming  (2)
  • Springer  (4)
  • American Chemical Society
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  • Springer  (4)
  • American Chemical Society
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  • 1
    Digitale Medien
    Digitale Medien
    Resonant photoemission in highly localized versus weakly localized solids (1994)
    Springer
    The European physical journal 94 (1994), S. 1-2 
    Details
    ISSN: 1434-6036
    Schlagwort(e): 79.60.Cn ; 78.70.Dm
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract We report on comparative study of angle-resolved photoelectron spectra of Ni metal and CeGd at theM III andN IV,V soft-x-ray absorption threshold, respectively. OnM III resonance, the valence-band photoemission (PE) intensity of Ni follows a cos2-behavior, while the intensity of the 6-eV satellite is independent of the angle of emission relative to the E-vector of the incoming beam. On the other hand, the 4f Ce PE signal behaves ∝ cos2 onN IV,V resonance. This clearly shows that the resonant enhancement of the 6-eV PE satellite of Ni is mainly caused by an incoherent Auger decay and cannot be described as a resonant PE process.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01307645
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Resonant photoemission at the 2p thresholds of Fe, Co, and Ni metal (1994)
    Springer
    The European physical journal 95 (1994), S. 9-12 
    Details
    ISSN: 1434-6036
    Schlagwort(e): 74.70.Vy ; 78.70.Dm ; 79.60.Eq
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Resonant photoemission studies have been performed at the 2p soft-x-ray absorption thresholds of Fe, Co, and Ni metal. At resonance, the photoelectron intensity exhibits a strong enhancement in the region of the two-hole satellites, which is shown, however, to be mostly due to an incoherent superposition of a photoemission signal with a more intense signal from anL 3 M 4,5 M 4,5 Coster-Kronig decay of the core-ionized state. The resonant enhancement of the valence-band photoemission satellite in Ni metal amounts to a factor of ≃12. In contrast, no photoemission satellites are observed for Fe and Co metal.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01316837
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Conditions for the uniqueness of the optimal solution in linear semi-infinite programming (1992)
    Springer
    Journal of optimization theory and applications 72 (1992), S. 225-246 
    Details
    ISSN: 1573-2878
    Schlagwort(e): Semi-infinite programming ; optimality conditions ; optimal value function ; differentiable convex functions
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Mathematik
    Notizen: Abstract In this paper, we establish different conditions for the uniqueness of the optimal solution of a semi-infinite programming problem. The approach here is based on the differentiability properties of the optimal value function and yields the corresponding extensions to the general linear semi-infinite case of many results provided by Mangasarian and others. In addition, detailed optimality conditions for the most general problem are supplied, and some features of the optimal set mapping are discussed. Finally, we obtain a dimensional characterization of the optimal set, provided that a usual closedness condition (Farkas-Minkowski condition) holds.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00940517
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Optimal value function in semi-infinite programming (1988)
    Springer
    Journal of optimization theory and applications 59 (1988), S. 261-279 
    Details
    ISSN: 1573-2878
    Schlagwort(e): Semi-infinite programming ; duality gap ; discrete approximation ; subdifferential mapping ; convex analysis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Mathematik
    Notizen: Abstract In this paper, we provide a systematic approach to the main topics in linear semi-infinite programming by means of a new methodology based on the many properties of the sub-differential mapping and the closure of a given convex function. In particular, we deal with the duality gap problem and its relation to the discrete approximation of the semi-infinite program. Moreover, we have made precise the conditions that allow us to eliminate the duality gap by introducing a perturbation in the primal objective function. As a by-product, we supply different extensions of well-known results concerning the subdifferential mapping.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00938312
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
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