List of publications

List of publications & ISI impact factor

Submitted papers

· 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) submitted paper
* http://arxiv.org/abs/1001.3248 * jpa10b.pdf * jpa10b.ps

· Nicolae Cotfas and Jean Pierre Gazeau: Finite tight frames and some applications,
Journal of Physics A: Mathematical and Theoretical 43(2010) accepted paper
* http://arxiv.org/abs/0803.0077 * jpa10a.pdf * jpa10a.ps

· N. Cotfas: Group representations with application to quasicrystals and carbon nanotubes,
Springer Physics Series (paper submitted for Proceedings of Group 26, New York, June 26-30, 2006)
* article.zip * article.pdf * article.ps * article.dvi

Publications

· N. Cotfas: Gazeau-Klauder type coherent states for hypergeometric type operators,
Central European Journal of Physics 7 (2009) 147-159
* http://arxiv.org/abs/0806.3508 * 0806.3508v2.pdf

· N. Cotfas: Symmetry properties of Penrose type tilings,
Philosophical Magazine 88 (2008) 2017-2023
* philmag07.pdf * philmag07.tex

· N. Cotfas: Aperiodic packings of clusters obtained by projection
Philosophical Magazine 87 (2007) 2823-2830
* aperiodic06.tex * aperiodic06.pdf * aperiodic06.dvi * aperiodic06.ps
* original-of-fig4right.ps * original-of-fig5right.ps * software

· N. Cotfas: Discrete quasiperiodic sets with predefined local structure,
Journal of Geometry and Physics 56 (2006) 2415-2428
* jgp05a.tex * jgp05a.pdf * jgp05a.ps * jgp05a.dvi

· 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
* Preprint math-ph/0602014 (2-nd version) * jpa06a.zip * jpa06a.dvi

· N. Cotfas: Shape invariant hypergeometric type operators with application
to quantum mechanics, Central European Journal of Physics 4 (2006) 318-330
* Preprint math-ph/0603032 * cejp06a.zip * cejp06a.dvi

· N. Cotfas: Systems of orthogonal polynomials defined by hypergeometric type equations,
Electronic Transactions on Numerical Analysis 24 (2006) 45-54
* etna04a.tex * etna04a.pdf * etna04a.ps * etna04a.dvi

· N. Cotfas: Discrete quasiperiodic sets with predefined covering cluster,
Philosophical Magazine 86 (2006) 895-900
* cotfasn2.tex * cotfasn2.pdf * cotfasn2.ps * cotfasn2.dvi

· N. Cotfas: Associated special functions and coherent states,
WSEAS Transactions on Mathematics 5 (2006) 196-203
* wseas05.tex * wseas05.pdf * wseas05.ps * wseas05.dvi

· N. Cotfas: An alternate mathematical model for single-wall carbon nanotubes,
Journal of Geometry and Physics 55 (2005) 123-134
* jgp04a.tex * jgp04a.pdf * jgp04a.dvi * jgp04a.ps

· N. Cotfas: Quasiperiodic packings of icosahedral clusters obtained by projection,
Romanian Journal of Physics 50 (2005) 105-116
* cotf-nctp.tex * cotf-nctp.pdf * cotf-nctp.ps * cotf-nctp.dvi

· N. Cotfas: On the self-similarities of the rhombic Penrose tilings
in 11^th 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)
* article.tex * article.pdf * article.ps

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

· 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
* CEJP04a.pdf * cesj.zip

· N. Cotfas: Icosahedral multi-component model sets,
Journal of Physics A: Mathematical and General 37 (2004) 3125-3132
* jpa03c.tex * jpa03c.pdf * jpa03c.dvi * jpa03c.ps

· 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
* gr24.tex * gr24.pdf * gr24.dvi * gr24.ps

· N. Cotfas: Shape invariance, raising and lowering operators in hypergeometric type equations,
Journal of Physics A: Mathematical and General 35 (2002) 9355-9365
* jpa02.tex * jpa02.pdf * jpa02.dvi * jpa02.ps

· N. Cotfas: Penrose-type patterns obtained by projection from a 12D lattice,
Journal of Physics A: Mathematical and General 34 (2001) L479-L482
* jpa01b.tex * jpa01b.pdf * jpa01b.dvi * jpa01b.ps

· 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
* bullmath.tex * bullmath.pdf * bullmath.dvi * bullmath.ps

· N. Cotfas: Quantum random walks on diamond-type crystals and carbon nanotubes,
Journal of Physics A: Mathematical and General 34 (2001) 5469-5483
* jpa01a.tex jpa01a1.tex * jpa01a.pdf * jpa01a.dvi * jpa01a.ps

· N. Cotfas: A group-theoretic approach to quasicrystals,
Ferroelectrics 250 (2001) 317-320
* ap2000.tex * ap2000.pdf * ap2000.dvi * ap2000.ps

· N. Cotfas: Finite graphs associated with a cut-and-project set,
Czechoslovak J. Phys. 51 (2001) 301-304
* praga.tex * praga.pdf * praga.dvi * praga.ps

· N. Cotfas: Systems of coherent vectors,
Journal of Physics A: Mathematical and General 33 (2000) 5003-5009
* jpa00b.tex * jpa00b.pdf * jpa00b.dvi * jpa00b.ps

· N. Cotfas: Quantum random walks on carbon nanotubes and quasicrystals,
Journal of Physics A: Mathematical and General 33 (2000) 2917-2927
* jpa00a.arj * jpa00a.pdf * jpa00a.dvi * jpa00a.ps

· N. Cotfas: G-model sets and their self-similarities,
Journal of Physics A: Mathematical and General 32 (1999) 8079-8093
* jpa99b.tex * jpa99b.pdf * jpa99b.dvi * jpa99b.ps

· N. Cotfas: On the self-similarities of a model set,
Journal of Physics A: Mathematical and General 32 (1999) L165-L168
* jpa99a.tex * jpa99a.pdf * jpa99a.dvi * jpa99a.ps

· N. Cotfas: Permutation representations defined by G-clusters with application to quasicrystals,
Letters in mathematical Physics 47 (1999) 111-123
* lmp98.tex * lmp98.pdf * lmp98.dvi * lmp98.ps

· N. Cotfas: On the affine self-similarities of he three-dimensional Penrose pattern,
Journal of Physics A: Mathematical and General 31 (1998) 7273-7277
* jpa98.tex * jpa98.pdf * jpa98.dvi * jpa98.ps

· N. Cotfas: On the self-similarities of two icosahedral patterns,
Z. Kristallogr. 213 (1998) 311-315
* zeitschr.tex * zeitschr.pdf * zeitschr.dvi * zeitschr.ps

· N. Cotfas: Elements of discrete differential calculus with applications to crystal physics,
Journal of Geometry and Physics 24 (1998) 291-302
* jgp98.tex * jgp98.pdf * jgp98.dvi * jgp98.ps

· 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
* tokyo97.tex * tokyo97.pdf * tokyo97.dvi * tokyo97.ps

· 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
* alpehuez.tex * alpehuez.pdf * alpehuez.dvi * alpehuez.ps

· 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.
* jphysc91.pdf