Articole publicate

  • Nicolae Cotfas and Daniela Dragoman:
    Finite oscillator obtained through finite frame quantization
    Journal of Physics A: Mathematical and Theoretical 46 (2013) 355301 (24 pages)
    ( http://arxiv.org/abs/1301.0704 )

  • Nicolae Cotfas and Daniela Dragoman:
    Properties of finite Gaussians and the discrete-continuous transition
    Journal of Physics A: Mathematical and Theoretical 45 (2012) 425305 (21 pages)
    ( http://arxiv.org/abs/1205.6302 )

  • Nicolae Cotfas and Liviu Adrian Cotfas:
    Hypergeometric type operators and their supersymmetric partners,
    Journal of Mathematical Physics 52 (2011) 052101 (10 pages)
    ( http://arxiv.org/abs/1004.1496 )

  • Nicolae Cotfas, Jean Pierre Gazeau and Apostol Vourdas:
    Finite-dimensional Hilbert space and frame quantization
    Journal of Physics A: Mathematical and Theoretical 44 (2011) 175303 (19 pages).

  • Nicolae Cotfas, Jean Pierre Gazeau and Katarzyna Gorska:
    Complex and real Hermite polynomials and related quantizations,
    Journal of Physics A: Mathematical and Theoretical 43 (2010) 305304 (14 pages)
    ( http://arxiv.org/abs/1001.3248 )

  • Nicolae Cotfas and Jean Pierre Gazeau: Finite tight frames and some applications,
    Journal of Physics A: Mathematical and Theoretical 43 (2010) 193001 (26 pages)
    ( http://arxiv.org/abs/0803.0077 )

  • N. Cotfas: Group representations with application to quasicrystals and carbon nanotubes,
    Proc. 26th Coll. on Group Theoretical Methods in Physics (New York, 2006)
    ed J Birman, S Catto and B Nicolescu (London: Canopus, 2009) pp. 173-180.

  • N. Cotfas: Gazeau-Klauder type coherent states for hypergeometric type operators,
    Central European Journal of Physics 7 (2009) 147-159.

  • N. Cotfas: Symmetry properties of Penrose type tilings,
    Philosophical Magazine 88 (2008) 2017-2023.

  • N. Cotfas: Aperiodic packings of clusters obtained by projection
    Philosophical Magazine 87 (2007) 2823-2830.

  • N. Cotfas: Discrete quasiperiodic sets with predefined local structure,
    Journal of Geometry and Physics 56 (2006) 2415-2428.

  • N. Cotfas: On the linear representations of the symmetry groups of single-wall
    carbon nanotubes, Journal of Physics A: Mathematical and General 39 (2006) 9755-9765.

  • N. Cotfas: Shape invariant hypergeometric type operators with application
    to quantum mechanics, Central European Journal of Physics 4 (2006) 318-330.

  • N. Cotfas: Systems of orthogonal polynomials defined by hypergeometric type equations,
    Electronic Transactions on Numerical Analysis 24 (2006) 45-54.

  • N. Cotfas: Discrete quasiperiodic sets with predefined covering cluster,
    Philosophical Magazine 86 (2006) 895-900.

  • N. Cotfas: Associated special functions and coherent states,
    WSEAS Transactions on Mathematics 5 (2006) 196-203.

  • N. Cotfas: An alternate mathematical model for single-wall carbon nanotubes,
    Journal of Geometry and Physics 55 (2005) 123-134.

  • N. Cotfas: Quasiperiodic packings of icosahedral clusters obtained by projection,
    Romanian Journal of Physics 50 (2005) 105-116.

  • N. Cotfas: On the self-similarities of the rhombic Penrose tilings
    in 11th International Conference "Symmetry Methods in Physics",
    Prague, June 21-24, 2004, Eds. C. Burdik, O. Navratil and S. Posta
    (on CD, Joint Institute for Nuclear Research, Dubna, 2004).

  • N. Cotfas: Representations of the Icosahedral Group with Application to Quasicrystals,
    Ferroelectrics 305 (2004) 33-36.

  • N. Cotfas: Systems of orthogonal polynomials defined by hypergeometric type equations
    with application to quantum mechanics, Central European Journal of Physics 2 (2004) 456-466.

  • N. Cotfas: Icosahedral multi-component model sets,
    Journal of Physics A: Mathematical and General 37 (2004) 3125-3132.

  • N. Cotfas: Special functions, raising and lowering operators,
    Proceedings of GROUP 24: Physical and Mathematical Aspects of Symmetries,
    eds. J-P Gazeau et al., Inst. Phys. Conf. Ser. No 173 (2003), 649-652.

  • N. Cotfas: Shape invariance, raising and lowering operators in hypergeometric type equations,
    Journal of Physics A: Mathematical and General 35 (2002) 9355-9365.

  • N. Cotfas: Penrose-type patterns obtained by projection from a 12D lattice,
    Journal of Physics A: Mathematical and General 34 (2001) L479-L482.

  • N. Cotfas and R. Slobodeanu: Some icosahedral patterns and their isometries,
    Bulletin Mathematique de la Societe des Sciences Mathematiques de Roumanie 44 (92), 2001, 323-330.

  • N. Cotfas: Quantum random walks on diamond-type crystals and carbon nanotubes,
    Journal of Physics A: Mathematical and General 34 (2001) 5469-5483.

  • N. Cotfas: A group-theoretic approach to quasicrystals,
    Ferroelectrics 250 (2001) 317-320.

  • N. Cotfas: Finite graphs associated with a cut-and-project set,
    Czechoslovak J. Phys. 51 (2001) 301-304.

  • N. Cotfas: Systems of coherent vectors,
    Journal of Physics A: Mathematical and General 33 (2000) 5003-5009.

  • N. Cotfas: Quantum random walks on carbon nanotubes and quasicrystals,
    Journal of Physics A: Mathematical and General 33 (2000) 2917-2927.

  • N. Cotfas: G-model sets and their self-similarities,
    Journal of Physics A: Mathematical and General 32 (1999) 8079-8093.

  • N. Cotfas: On the self-similarities of a model set,
    Journal of Physics A: Mathematical and General 32 (1999) L165-L168.

  • N. Cotfas: Permutation representations defined by G-clusters with application to quasicrystals,
    Letters in mathematical Physics 47 (1999) 111-123.

  • N. Cotfas: On the affine self-similarities of he three-dimensional Penrose pattern,
    Journal of Physics A: Mathematical and General 31 (1998) 7273-7277.

  • N. Cotfas: On the self-similarities of two icosahedral patterns,
    Z. Kristallogr. 213 (1998) 311-315.

  • N. Cotfas: Elements of discrete differential calculus with applications to crystal physics,
    Journal of Geometry and Physics 24 (1998) 291-302.

  • N. Cotfas: Modeles Mathematiques pour Cristaux et Quasicristaux,
    Ph. D. thesis, Institut National Polytechnique de Grenoble, France, 1998

  • J.-L. Verger-Gaugry and N. Cotfas: Models of quasicrystals with G-cluster microstructure.
    A mathematical approach, in vol. 6-th International Conference on Quasicrystals ,
    Eds. S. Takeuchi and T. Fujiwara, World Scientific, Singapore,1998, pages 132-135.

  • N. Cotfas and J.-L. Verger-Gaugry: G-clusters and quasicrystals,
    in vol. Aperiodic' 97, Eds. M. de Boissieu, J.-L. Verger-Gaugry and R. Currat ,
    World Scientific, Singapore, 1998, pages 36-42.

  • N. Cotfas and J-L Verger-Gaugry: A mathematical construction of n-dimensional quasicrystals
    starting from G-clusters, Journal of Physics A: Mathematical and General 30 (1997) 4283-4291.

  • N. Cotfas: A mathematical model for diamond-type crystals,
    Journal of Physics A: Mathematical and General 28 (1995) 1371-1379.

  • N. Cotfas: Elements of tight-binding method in terms of graph theory,
    Journal de Physique I (France) 3 (1993) 2269-2284.

  • N. Cotfas: Topological manifolds and vector bundles with applications to crystal physics,
    Journal of Geometry and Physics 10 (1993) 107-126.

  • N. Cotfas: Diamond structure in a natural description,
    Journal of Physics:Condens. Matter 3 (1991) 9279-9296.

 

 

 

 

 

Pagină actualizată la 20 Iulie 2017.