Перегляд за автором "Pracna, P."

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  • A Jacobson Radical Decomposition of the Fano-Snowflake Configuration 
    Saniga, M.; Pracna, P. (Symmetry, Integrability and Geometry: Methods and Applications, 2008)
    The Fano-Snowflake, a specific configuration associated with the smallest ring of ternions Rà (arXiv:0803.4436 and arXiv:0806.3153), admits an interesting partitioning with respect to the Jacobson radical of Rà. The totality ...
  • 'Magic' Configurations of Three-Qubit Observables and Geometric Hyperplanes of the Smallest Split Cayley Hexagon 
    Saniga, M.; Planat, M.; Pracna, P.; Lévay, P. (Symmetry, Integrability and Geometry: Methods and Applications, 2012)
    Recently Waegell and Aravind [J. Phys. A: Math. Theor. 45 (2012), 405301, 13 pages] have given a number of distinct sets of three-qubit observables, each furnishing a proof of the Kochen-Specker theorem. Here it is ...
  • The Veldkamp Space of Two-Qubits 
    Saniga, M.; Planat, M.; Pracna, P.; Havlicek, H. (Symmetry, Integrability and Geometry: Methods and Applications, 2007)
    Given a remarkable representation of the generalized Pauli operators of two-qubits in terms of the points of the generalized quadrangle of order two, W(2), it is shown that specific subsets of these operators can also be ...
  • Twin ''Fano-Snowflakes'' over the Smallest Ring of Ternions 
    Saniga, M.; Havlicek, H.; Planat, M.; Pracna, P. (Symmetry, Integrability and Geometry: Methods and Applications, 2008)
    Given a finite associative ring with unity, R, any free (left) cyclic submodule (FCS) generated by a unimodular (n + 1)-tuple of elements of R represents a point of the n-dimensional projective space over R. Suppose that ...