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Träfflista för sökning "WFRF:(Asplund R) srt2:(2000-2004)"

Sökning: WFRF:(Asplund R) > (2000-2004)

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  • Asplund, M, et al. (författare)
  • Line formation in solar granulation - I. Fe line shapes, shifts and asymmetries
  • 2000
  • Ingår i: ASTRONOMY AND ASTROPHYSICS. - : SPRINGER-VERLAG. - 0004-6361. ; 359:2, s. 729-742
  • Tidskriftsartikel (refereegranskat)abstract
    • Realistic ab-initio 3D, radiative-hydrodynamical convection simulations of the solar granulation have been applied to Fe I and Fe II line formation. In contrast to classical analyses based on hydrostatic ID model atmospheres the procedure contains no adju
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  • Asplund, Marcus, et al. (författare)
  • Price adjustments by a gasoline retail chain
  • 2000
  • Ingår i: Scandinavian Journal of Economics. - : Wiley. - 0347-0520 .- 1467-9442. ; 102:1, s. 101-121
  • Tidskriftsartikel (refereegranskat)abstract
    • We use daily data to examine price responses in the Swedish gasoline market to changes in the Rotterdam spot price, exchange rates and taxes. The distribution of price adjustments by a leading retail chain, for the period January 1980 to December 1996, is symmetric with no small adjustments. An error correction model shows that, in the short run, prices gradually move towards the long-run equilibrium in response to cost shocks. There is some evidence that, also in the short run, prices are stickier downwards than upwards. Prices respond more rapidly to exchange rate movements than to the spot market price. Our analysis emphasizes that to fully understand price adjustments it is necessary to examine data sets where the sample frequency at least matches that of price adjustments.
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  • Asplund, R., et al. (författare)
  • An expectation value expansion of Hermitian operators in a discrete Hilbert space
  • 2001
  • Ingår i: Journal of Optics B-Quantum and Semiclassical Optics. - : IOP Publishing. - 1464-4266 .- 1741-3575. ; 3:3, s. 163-170
  • Tidskriftsartikel (refereegranskat)abstract
    • We discuss a real-valued expansion of any Hermitian operator defined in a Hilbert space of finite dimension N, where N is a prime number, or an integer power of a prime. The expansion has a direct interpretation in terms of the operator expectation values for a set of complementary bases. The expansion can be said to be the complement of the discrete Wigner function. We expect the expansion to be of use in quantum information applications since qubits typically are represented by a discrete, and finite-dimensional, physical system of dimension N = 2(p), where p is the number of qubits involved. As a particular example we use the expansion to prove that an intermediate measurement basis (a Breidbart basis) cannot be found if the Hilbert space dimension is three or four.
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  • Asplund, R, et al. (författare)
  • Nocturia and depression
  • 2004
  • Ingår i: BJU international. - 1464-4096. ; 93:9, s. 1253-1256
  • Tidskriftsartikel (refereegranskat)
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