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Linear Operators and Linear Systems
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Nagy B: On contractions in Hilbert space, Acta Sci Math, 79: 235-251, 2013 | Lee M H, . Szöllősi F: A note on inverse-orthogonal Toeplitz matrices, The Electronic J. Linear Algebra, 26: 898—904, 2013 | Greaves G, Munemasa A, Koolen J H, Szöllősi F: Equiangular lines in Euclidean spaces, kézirat közlésre benyújtva, 2014 | Szöllősi F: All complex equiangular tight frames in dimension 3, kézirat közlésre benyújtva, 2014 | Nagy B.: On contractions in Hilbert space, Acta Sci Math., közlés alatt, 2013 | Förster K-H; Nagy B: On operator polynomials with nonnegative coefficients in a Banach lattice, közlésre benyujtva, 2014 | Lee MH; Szöllősi F: Hadamard matrices modulo 5, kézirat közlésre benyújtva, 2013 | Nagy B.: Multiplicity of unbounded normal operators and polynomial approximation in C, Journal of Functional Analysis, 257: 1655-1665, 2009 | Nagy B: Multiplicities, generalized Jacobi matrices and symmetric operators, Journal of Operator Theory, 65: 211-232, 2011 | Nagy B: Inverse elementary divisor problems for nonnegative matrices, Operators and Matrices, 5: 289-301, 2011 | Jaming P; Matolcsi M; Móra P; Szöllősi F; Weiner M: A generalized Pauli problem and an infinite family of MUB-triplets in dimension 6, J. Physics A: Mathematical and Theoretical, 42: No 24, 245305, 2009 | Szöllősi F: A two-parameter family of complex Hadamard matrices of order 6 induced by hypocycloids, Proc. Amer. Math. Soc. 138: No. 3, 921-928, 2010 | Nagy B: Subnormal operators, cyclic vectors and reductivity, Studia Mathematica, 216 (2): 97-109, 2013 | Szöllősi F: Complex Hadamard matrices and equiangular tight frames, Linear Algebra and its Applications, 438: 1962–1967, 2013 | Nagy B.: Orthonormal bases in finite dimensional Hilbert spaces, Operators and Matrices, közlésre benyújtva, 2014 | Lee MH; Szöllősi F: Hadamard matrices modulo 5, J. Combin. Desings, 22/4: 171–178, 2014 | Szöllősi F: On quaternary complex Hadamard matrices of small orders, Advances in Mathematics of Communications, 5: No 2, 309—315, 2011 | Szöllősi F: Complex Hadamard matrices and equiangular tight frames, Linear Algebra and its Applications, 438: 1962–1967, 2013 | Szöllősi F: Complex Hadamard matrices of order 6: a four parameter family, J. London Math. Soc. (2), 85: 616–632., 2012 | Szöllősi F: Understanding complex Hadamard matrices and mutually unbiased bases of order 6, 14th workshop on quantum information processing, 10-14 January 2011, Singapore, 2011 | Nagy B: Riesz operators and Schur's lemma, Acta Sci. Math., közlés alatt, 2013 | Matolcsi M: A Fourier analytic approach to the problem of mutually unbiased bases, Stud. Sci. Math.Hung., 49: No. 4, 482-491, 2012 | Matolcsi M; Ruzsa IZ; Weiner M: Systems of mutually unbiased Hadamard matrices containing real and complex matrices, Australasian Journal of Combinatorics, Volume 55: 35–47, 2013 | Szöllősi F: A note on the existence of BH(19,6) matrices, Australasian J. Combin., 55: 31–34., 2013 | Lampio P; Szöllősi F; Östergård P: The quaternary complex Hadamard matrices of orders 10, 12 and 14, Discrete Mathematics 313: 189–206, 2013 | Szöllősi F: Constructions, classifications and parametrization of complex Hadamard matrices, Central European University, Budapest, 2012 | Nagy B.: Multiplicity of unbounded normal operators and polynomial approximation in C, Journal of Functional Analysis, 257: 1655-1665, 2009 | Förster K-H; Nagy B; Szilvási M: Local inverse spectrum theorems for real and nonnegative matrices, Acta Sci Math (Szeged), 76: 55-70, 2010 | Nagy B: Multiplicities, generalized Jacobi matrices and symmetric operators, Journal of Operator Theory, 65: 211-232, 2011 | Nagy B: Inverse elementary divisor problems for nonnegative matrices, Operators and Matrices, 5: 289-301, 2011 | Jaming P; Matolcsi M; Móra P; Szöllősi F; Weiner M: A generalized Pauli problem and an infinite family of MUB-triplets in dimension 6, J. Physics A: Mathematical and Theoretical, 42: No 24, 245305, 2009 | Szöllősi F: Exotic complex Hadamard matrices and their equivalence, Cryptography and Communications 2: 2, 187-198, 2010 | Djokovic DZ; Severini S; Szöllősi F: Rational Orthogonal versus Real Orthogonal, The electronic Journal of Linear Algebra, 18: 649—673, 2009 | Szöllősi F: A two-parameter family of complex Hadamard matrices of order 6 induced by hypocycloids, Proc. Amer. Math. Soc. 138: No. 3, 921-928, 2010 | Nagy B: Subnormal operators, cyclic vectors and reductivity, közlésre benyújtva, 2012 | Förster K-H; Nagy B: Equivalences of matrix polynomials, Acta Sci. Math. közlésre elfogadva, 2012 | Jaming P; Matolcsi M; Móra P: The problem of mutually unbiased bases in dimension 6, Cryptography and Communications, 2: Number 2, 211-220, 2010 | Matolcsi M: A Fourier analytic approach to the problem of mutually unbiased bases, http://arxiv.org/abs/1009.2407, preprint submitted for publication, 2011 |
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