Browsing Mathemateg a Ffiseg / Mathematics & Physics by Issue Date

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  • Mavron, Vassili C.; Jungnickel, D.; McDonough, Thomas (2001-11)
    This paper establishes a correspondence between mutually orthogonal frequency squares (MOFS) and nets satisfying an extra property (“framed nets”). In particular, we provide a new proof for the bound on the maximal size ...
  • Mavron, Vassili C.; Jungnickel, D.; McDonough, Thomas (2001-11)
    This paper establishes a correspondence between mutually orthogonal frequency squares (MOFS) and nets satisfying an extra property (“framed nets”). In particular, we provide a new proof for the bound on the maximal size ...
  • Sjöstrand, J.; Iantchenko, A. (2001-11)
    We consider the problem of constructing a microlocal logarithm and a normal form for an elliptic semi-classical Fourier integral operator near a fixed point of the corresponding canonical transformation. In [Ia] the canonical ...
  • Deb, Sudip K.; Wilding, Martin C.; Somayazulu, Maddury; McMillan, Paul F. (2001-11-29)
    Crystalline and amorphous forms of silicon are the principal materials used for solid-state electronics and photovoltaics technologies. Silicon is therefore a well-studied material, although new structures and properties ...
  • Deb, Sudip K.; Wilding, Martin C.; Somayazulu, Maddury; McMillan, Paul F. (2001-11-29)
    Crystalline and amorphous forms of silicon are the principal materials used for solid-state electronics and photovoltaics technologies. Silicon is therefore a well-studied material, although new structures and properties ...
  • Iantchenko, A.; Sjöstrand, J.; Zworski, M. (2002-03)
    We apply recent results on semi-classical trace formulae and on Birkhoff normal forms for semi-classical Fourier integral operators to a wide range of semi-classical and high energy spectral inverse problems.
  • Iantchenko, A.; Sjöstrand, J.; Zworski, M. (2002-03)
    We apply recent results on semi-classical trace formulae and on Birkhoff normal forms for semi-classical Fourier integral operators to a wide range of semi-classical and high energy spectral inverse problems.
  • Poolton, Nigel; Ozanyan, K. B.; Murray, A. S.; Wallinga, J. (2002-04)
    Most natural feldspars contain many charged impurities, and display a range of bond angles, distributed about the ideal. These effects can lead to complications in the structure of the conduction band, giving rise to a ...
  • Weaire, D.; Cox, Simon; Fátima Vaz, M. (2002-04)
    Small cells in an experimental sample of two-dimensional foam, such as that which is contained between two glass plates, may undergo a transition to a three-dimensional form, becoming detached from one boundary. We present ...
  • Poolton, Nigel; Ozanyan, K. B.; Murray, A. S.; Wallinga, J. (2002-04)
    Most natural feldspars contain many charged impurities, and display a range of bond angles, distributed about the ideal. These effects can lead to complications in the structure of the conduction band, giving rise to a ...
  • Langstaff, David (2002-04-01)
    Various position sensitive readout systems for microchannel plates are considered. A discrete anode detector with 192 channels and integrated data acquisition electronics developed at the University of Wales, Aberystwyth ...
  • Noakes, T. C. Q.; Bailey, P.; Jenkins, Tudor; Hayton, D. J. (2002-06)
    Medium energy ion scattering, Fourier transform infrared spectroscopy and spectroscopic ellipsometry measurements have been performed on thermally grown SiO2 layers on 4H silicon carbide. The data suggest the presence of ...
  • Noakes, T. C. Q.; Bailey, P.; Jenkins, Tudor; Hayton, D. J. (2002-06)
    Medium energy ion scattering, Fourier transform infrared spectroscopy and spectroscopic ellipsometry measurements have been performed on thermally grown SiO2 layers on 4H silicon carbide. The data suggest the presence of ...
  • Schultz, R. A.; Watters, T. R.; Cook, Anthony; Robinson, M. S. (2002-06)
    Insight into the mechanical and thermal structure of Mercury's early lithosphere has been obtained from forward modeling of the largest lobate scarp known on the planet. Our modeling indicates the structure overlies a ...
  • Breen, Andrew; Fallows, Richard A.; Canals, A.; Ofman, L.; Moran, P. J. (2002-09)
    Interplanetary scintillation measurements can yield estimates of a large number of solar wind parameters,including bulk flow speed, variation in bulk velocity along the observing path through the solar wind and random ...
  • Parker, D.; Browning, R.; Waltham, N.; Grande, Manuel (2003)
    The D-CIXS Compact X-ray Spectrometer will provide high quality spectroscopic mapping of the Moon, the primary science target of the ESA SMART-1 mission. D-CIXS consists of a high throughput spectrometer, which will perform ...
  • Gohm, Rolf (2003)
    The probabilistic index of a completely positive map is defined in analogy with a formula of M. Pimsner and S. Popa for conditional expectations. As an application, we describe a new strategy for computing the Jones index ...
  • Pintér, Balázs; Isaak, G. R.; Chaplin, W. J.; Elsworth, Y. P. (Wiley InterScience, 2003)
    The first analysis of 10 yr of solar mean magnetic field data from the Birmingham Solar-Oscillations Network (BiSON) instrument at Sutherland, SA is presented. Long-period (>1 d) variations correlate well with those observed ...
  • Al-Kenani, A. N.; Mavron, Vassili C. (2003)
    Until recently, the known symmetric nets were class-regular and therefore satisfied a certain geometric condition that defines the class of nets known as tactical symmetric nets. Thus the known symmetric nets were tactical. ...
  • McMillan, Paul F.; Wilson, Mark; Wilding, Martin C. (2003)
    Supercooled liquids in the Y2O3–Al2O3 system undergo a liquid–liquid phase transition between a high-temperature, high-density amorphous polymorph (HDA form), and one with lower density that is stable at lower temperature ...

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