Перегляд за автором "Wolf, K.B."

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  • A Top-Down Account of Linear Canonical Transforms 
    Wolf, K.B. (Symmetry, Integrability and Geometry: Methods and Applications, 2012)
    We contend that what are called Linear Canonical Transforms (LCTs) should be seen as a part of the theory of unitary irreducible representations of the '2+1' Lorentz group. The integral kernel representation found by ...
  • The Fourier U(2) Group and Separation of Discrete Variables 
    Wolf, K.B. (Symmetry, Integrability and Geometry: Methods and Applications, 2011)
    The linear canonical transformations of geometric optics on two-dimensional screens form the group Sp(4,R), whose maximal compact subgroup is the Fourier group U(2)F; this includes isotropic and anisotropic Fourier transforms, ...