Conference Papers

Conference Papers

2009
[ 59] Number impact on motion speed.
Poster at The XVI ESCOP Conference
(Cracow, Poland, September 2-5, 2009)
(Gelsomina Perrone, Fabrizio Croccolo, H. Eduardo Roman, Emanuela Bricolo, Luisa Ginelli}

2008
[ 58] Long-time correlations and anomalous price fluctuations in stock markets.
In: "Anomalous Fluctuations in Complex Systems: Plasmas, Fluids and Financial Markets"
Editors: C. Riccardi and H.E. Roman
(Special Review Book for Research Signpost, Transworld Research Network, Kerala, India, 2008), p.335-354
(M. Porto, H.E. Roman)
[ 57] Anomalous fluctuations in the simple magnetized plasma devices Thorello and Blaamann.
In: "Anomalous Fluctuations in Complex Systems: Plasmas, Fluids and Financial Markets"
Editors: C. Riccardi and H.E. Roman
(Special Review Book for Research Signpost, Transworld Research Network, Kerala, India, 2008), p.123-144
(C. Riccardi, R. Barni, H.E. Roman, A. Fredriksen)

2007
[ 56] Fluctuation analysis of meteo-marine data.
Proceedings of the 392. WE-Heraeus-Seminar: Transport, Localization and Fluctuations in Complex Systems
(TU Ilmenau, Germany, September 2-5, 2007)
European Physical Journal: Special Topics 161, 195 (2008)
(H. Eduardo Roman, Alessio Celi, Gianluigi De Filippi}
[ 55] Very slowly decaying auto-correlations: Application to volatility in financial markets.
Proceedings of the 4th International Conference of Applied Mathematics and Computing
(Plovdiv, Bulgaria, August 12-18, 2007)
International Journal of Pure and Applied Mathematics 42, 249-254 (2008) PDF
(H. Eduardo Roman, Markus Porto}
[ 54] Statistical Characterization of Atmospheric Pressure Dielectric Barrier Discharge.
Proceedings of the 3rd International Congress on Cold Atmospheric Pressure Plasmas: Sources and Applications
(Ghent, Belgium, July 10-13, 2007), P155
R.A. Siliprandi, H.E. Roman, R. Barni, C. Riccardi

2006
[ 53] Coherent structures in sheared velocity flow.
Proceedings of the 33rd European Physical Society Conference on Plasma Physics (Frascati, Rome, Italy, June 19-23, 2006), P5.158
A. Fredriksen, C. Riccardi, H.E. Roman, R. Barni
[ 52] Coherent structures in the simple magnetized Thorello plasma.
Proceedings of the 33rd European Physical Society Conference on Plasma Physics (Frascati, Rome, Italy, June 19-23, 2006), P5.080
C. Riccardi, H.E. Roman, R. Barni, M. Fontanesi

2005
[ 51] Looking at structure, stability, and evolution of proteins through the principal eigenvector of contact matrices and hydrophobicity profiles.
Gene: Evolutionary Genomics 347, 219-230 (2005)
U. Bastolla, M. Porto, H.E. Roman, M. Vendruscolo

2004
[ 50] Interaction effects on transport in a 1d array of silicon nanoclusters.
E-proceedings of the International Workshop on "Transport and Self-Organization in Complex Systems"
(Porto Alegre, Brasil, August 8-12, 2004)
K.I. Mazzitello, H.O. Mártin, H.E. Roman
[ 49] Perturbed turbulent transport in a laboratory magnetoplasma: Fluctuations, Correlations and Intermittency
J. Phys.: Conf. Ser. 7, 239-246 (2005)
Proceedings of the International Workshop on "Chaotic Transport and Complexity in Fluids and Plasmas"
(Carry Le Rouet, France, June 20-25, 2004)
H.E. Roman, C. Riccardi, S. Magni

2003
[ 48] Synthetic Markets.
Proceedings of the 8th Annual Workshop on Economics with Heterogeneous Interacting Agents (Kiel, Germany, May 29-31, 2003)
E. Scalas, M. Bianchetti, F. Mainardi, H.E. Roman, A. Vivoli
[ 47] Infrared Energy Synchronized with the Heartbeat.
Proceedings of the 2nd World Congress of the International Society of Physical and Rehabilitation Medicine - ISPRM
(Ed. by Monduzzi Editori S.p.A. - Medimond Inc, Italy), p. 739 (Prague, Czech Republic, May 18-22, 2003)
H.E. Roman, M. Santucci

2002
[ 46] How does the diffusion equation on fractals look?
Fractals 12, 149-156 (2004)
Interdisciplinary Workshop "From Waves to Diffusion and Beyond", Department of Physics, University of Bologna
(Bologna, Italy, Dec. 20, 2002)
H.E. Roman
[ 45] Efficient light emission from a conducting array of silicon quantum dots.
Proceedings of the "Non-equilibrium Statistical Mechanics and Nonlinear Physics" (Colonia del Sacramento, Uruguay, December 9-14, 2002)
K.I. Mazzitello, H.O. Mártin, H.E. Roman
[ 44] Statistical properties of neutral evolution.
J. Molecular Evolution 57, S103-S119 (2003)
Proceedings of the workshop "Molecular Evolution: Evolution, Genetics and Bioinformatics" (Sorrento, Italy, June 13-16, 2002)
U. Bastolla, M. Porto, H.E. Roman, M. Vendruscolo

2001
[ 43] Asset-asset interactions and clustering in financial markets.
Physica A 299, 262-267 (2001)
Proceedings of the NATO Advanced Research Workshop on Application of Physics in Economic Modelling
(Prague, Czech Republic, February 8-10, 2001)
G. Cuniberti, M. Porto, H.E. Roman

2000
[ 42] Li diffusion in nanocrystalline (1-x)Li₂O:xB₂O₃.
Defect Diffus. Forum 194-199, 935 (2001)
Proceedings of the Vth International Conference on Diffusion in Materials (Paris, France, July 17-21, 2000)
S. Indris, P. Heitjans, H.E. Roman, A. Bunde
[ 41] AC-conductivity of porous Silicon from Monte Carlo simulations.
J. of Porous Materials 7, 107-110 (2000)
P.J. Ventura, L.C. Costa, M.C. Carmo, H.E. Roman, L. Pavesi

1999
[ 40] Field emission properties of carbon nanowires from ab initio calculations.
AIP Conf. Proc. 486, 448 (1999)
XIIIth International Winterschool on Electronic Properties of Novel Materials-Science and Technology of Molecular Nanostructures
(Kirchberg, Austria, February 27-March 6, 1999)
M. Bianchetti, P.F. Buonsante, F. Ginelli, A. Lorenzoni, H.E. Roman, R.A. Broglia

1998
[ 39] Cluster Growth at the Percolation Threshold with a Finite Lifetime of Growth Sites.
Physica A 266, 92 (1999)
International Conference on "Percolation and Disordered Systems" (Rauischholzhausen, Germany, July 14-17, 1998)
A. Ordemann, H.E. Roman, A. Bunde
[ 38] A simple model for electrons and phonons in C60-: Jahn-Teller effect and photoemission spectrum.
Proceedings of the Erice Workshop (1999).
XIV International Symposium on Electron-Phonon Dynamics and Jahn-Teller Effect (Erice, Italy, July 7-13, 1998)
G. Colò, N. Breda, R.A. Broglia, D. Provasi, H.E. Roman, G. Onida, E. Vigezzi
[ 37] Giant resonances and photoemission in atomic quantum wires.
Nuclear Physics A 649, 440 (1999)
International Conference on "Giant Resonances" (Varenna, Italy, May 11-16, 1998)
D. Provasi, N. Breda, R.A. Broglia, G. Colò, A. Lorenzoni, H.E. Roman

1997
[ 36] Field emission properties of linear Carbon clusters.
Czechoslovak Journal of Physics 48, 817 (1998)
International Conference on Atomic Nuclei and Metallic Clusters: "Finite Many-Fermion Clusters"
(Prague, Czech Republic, September 1-5, 1997)
H.E. Roman, A. Lorenzoni, R.A. Broglia
[ 35] Fractal Carbon clusters: Modelling new forms of Carbon.
Carbon 36, 503 (1998)
European Materials Research Society Spring Meeting, E-MRS 1997 (Strasbourg, France, June 16-20, 1997)
H.E. Roman, A. Lorenzoni, G. Benedek, R.A. Broglia
[ 34] Role of the surface in the optical properties of finite systems: From exotic nuclei to atomic quantum wires.
Il Nuovo Cimento A 110, 1157 (1998)
International Conference on "New ideas on clustering in atomic and nuclear physics" (Rauischholzhausen, Germany, June 8-13, 1997)
R.A. Broglia, A. Lorenzoni, H.E. Roman, F. Alasia
[ 33] Electronic properties of low-dimensional Carbon clusters.
Il Nuovo Cimento A 110, 1165 (1998)
International Conference on "New ideas on clustering in atomic and nuclear physics" (Rauischholzhausen, Germany, June 8-13, 1997)
H.E. Roman, A. Lorenzoni, N. Breda, R.A. Broglia, G. Onida
[ 32] Long-range power-law correlations in local daily temperature fluctuations.
Phil. Mag. B 77, 1331 (1998)
Minerva Workshop on "Mesoscopics, Fractals and Neural Networks" (Eilat, Israel, March 25-27, 1997)
E. Koscielny-Bunde, H.E. Roman, A. Bunde, S. Havlin, H.-J. Schellnhuber
[ 31] Structure of self-avoiding walks on percolation clusters at criticality.
Phil. Mag. B 77, 1357 (1998)
Minerva Workshop on "Mesoscopics, Fractals and Neural Networks" (Eilat, Israel, March 25-27, 1997)
H.E. Roman, A. Ordemann, M. Porto, A. Bunde, S. Havlin

1996
[ 30] Diffusion on self-similar structures.
Fractals 5, 379 (1997)
International Conference on Fractals and Chaos in Chemical Engineering (Rome, Italy, September 2-5, 1996)
H.E. Roman
[ 29] Localization of electrons in loopless fractals.
Fractals and Chaos in Chemical Engineering - CFIC 1996 (Eds. M. Giona and G. Biardi, World Scientific, Singapore 1997), p. 91
International Conference on Fractals and Chaos in Chemical Engineering (Rome, Italy, September 2-5, 1996)
J.W. Kantelhardt, H.E. Roman, A. Bunde
[ 28] Electronic structure of the Davidene: The physics of a fractal carbon aggregate.
Fractals and Chaos in Chemical Engineering - CFIC 1996 (Eds. M. Giona and G. Biardi, World Scientific, Singapore 1997), p. 115
International Conference on Fractals and Chaos in Chemical Engineering (Rome, Italy, September 2-5, 1996)
A. Lorenzoni, H.E. Roman, G. Benedek, R.A. Broglia
[ 27] Wavelet analysis for Anderson wavefunctions in one and two dimensions.
Fractals and Chaos in Chemical Engineering - CFIC 1996 (Eds. M. Giona and G. Biardi, World Scientific, Singapore 1997), p. 165
International Conference on Fractals and Chaos in Chemical Engineering (Rome, Italy, September 2-5, 1996)
H.E. Roman, J.W. Kantelhardt
[ 26] Cluster structure for off-lattice percolation at criticality.
Fractals and Chaos in Chemical Engineering - CFIC 1996 (Eds. M. Giona and G. Biardi, World Scientific, Singapore 1997), p. 333
International Conference on Fractals and Chaos in Chemical Engineering (Rome, Italy, September 2-5, 1996)
H.E. Roman, M. Meyer
[ 25] Softening the Long-Wavelength Electromagnetic Response of Finite Quantal Systems.
Zeitschrift fuer Physik D 40, 240 (1997)
The 8th International Symposium on Small Particles and Inorganic Clusters (Copenhagen, Denmark, July 1-6, 1996)
R.A. Broglia, F. Alasia, P. Arcagni, G. Colò, F. Ghielmetti, C. Milani, H.E. Roman

1995
[ 24] Localization of fractons, random walks, and linear polymers in percolation.
Fractals 4, 355 (1996)
International Conference on Fractals (Japan, 1995)
A. Bunde, J. Dräger, S. Havlin, H.E. Roman, St. Russ

1994
[ 23] Experiments and Monte Carlo simulations on the recombination dynamics in porous Silicon.
Mat. Res. Soc. Symp. Proc. 358, 549 (1995)
Fall Meeting of the Materials Research Society (Boston, MA (USA), Nov. 28-Dec. 12, 1994)
L. Pavesi, H.E. Roman
[ 22] Giant resonances in nuclei and fullerenes.
Adriatico Research Conference on Cooperative Effects in Many-electron Systems and Their Response to External Fields,
I.C.T.P. (Trieste, July 26-29, 1994)
G. Colò, R.A. Broglia, F. Alasia, H.E. Roman, Ll. Serra
[ 21] Giant dipole resonance in fullerite from C60 fullerene.
Università degli Studi di Milano. Supplemento N. 100, 371 (1995)
The 7th International Conference on Nuclear Reaction Mechanisms (Varenna, Italy, June 6-11, 1994)
F. Alasia, R.A. Broglia, G. Colò, H.E. Roman, Ll. Serra
[ 20] Recombination dynamics in porous Silicon.
Thin Solid Films 255, 67 (1995)
European Materials Research Society, 1994 Spring Meeting (Strasbourg, France, May 24-27, 1994)
L. Pavesi, M. Ceschini, H.E. Roman

1993
[ 19] Oscillations of finite quantal Fermi systems.
Zeitschrift fuer Physik D 31, 181 (1994)
The 2nd International Conference on Atomic and Nuclear Clusters (Santorini, Greece, June 28-July 8, 1993)
R.A. Broglia, F. Alasia, G. Colò, H.E. Roman, Ll. Serra

1992
[ 18] Localization on fractal structures.
Workshop on "The Extension of the Concept of Localized States", Universitè Montpellier II (Montpellier, France, October 29-30, 1992)
A. Bunde, H.E. Roman, St. Russ
[ 17] Multifractal fluctuations in the dynamics of disordered systems.
Physica A 194, 288 (1993)
The 18th International Conference on Statistical Physics (Berlin, Germany, August 2-8, 1992)
S. Havlin, A. Bunde, E. Eisenberg, J. Lee, H.E. Roman, S. Schwarzer, H.E. Stanley
[ 16] Multifractality of random walks and localized excitations on linear random fractals.
Physica A 191, 379 (1992)
International Conference on Fractals and Disordered Systems (Hamburg, Germany, July 29-31, 1992)
H.E. Roman
[ 15] Fractional diffusion equation and relaxation in complex viscoelastic materials.
Physica A 191, 449 (1992)
International Conference on Fractals and Disordered Systems (Hamburg, Germany, July 29-31, 1992)
M. Giona, S. Cerbelli, H.E. Roman

1991
[ 14] Fractional diffusion equation for transport phenomena in random media.
Physica A 185, 87 (1992)
International Conference on Complex Systems (Trieste, Italy, July 2-6, 1991)
M. Giona, H.E. Roman
[ 13] Vibrations and random walks on random fractals: Anomalous behavior and multifractality.
Phil. Mag. B 65, 191 (1992)
4th International Workshop on Disordered Systems (Trento, Italy, March 4-6, 1991)
A. Bunde, H.E. Roman

1990
[ 12] Dynamic mechanisms of disorderly growth: Recent approaches to understanding diffusion limited aggregation.
Physica A 168, 23 (1990)
3rd Intern. Conf. on Frontiers in Condensed Matter Physics (Bar-Ilan, Israel, 1990)
H.E. Stanley, A. Bunde, S. Havlin, J. Lee, E. Roman, S. Schwarzer
[ 11] Hierarchically constrained dynamics on self-similar structures.
J. of. Non-Crystalline Solids 131, 207 (1991)
International Discussion Meeting on Relaxations in Complex Systems (Creta, Greece, June 18-29, 1990)
H.E. Roman, M. Giona
[ 10] Vibrational properties of random two-component mixtures: Density of states, mode patterns and localization exponents.
20th European Symposium on the Dynamical Properties of Solids (Chexbres, Switzerland, Sept.30-Oct.4, 1990)
St. Russ, A. Bunde, H.E. Roman

1989
[ 9] Diffusion in a charged lattice gas: A Monte Carlo study.
Solid State Ionics 40/41, 184 (1990)
7th Intern. Conf. on Solid State Ionics (Hakone, Japan, 1989)
W. Dieterich, J. Petersen, A. Bunde, H.E. Roman
[ 8] Transport of disordered structures: Effect of long range interactions.
Solid State Ionics 40/41, 187 (1990)
7th Intern. Conf. on Solid State Ionics (Hakone, Japan, 1989)
A. Bunde, P. Maass, H.E. Roman, W. Dieterich, J. Petersen
[ 7] Time dependent correlation functions of diffusing particles in random systems.
Solid State Ionics 40/41, 192 (1990)
7th Intern. Conf. on Solid State Ionics (Hakone, Japan, 1989)
A. Bunde, H.E. Roman, S. Havlin
[ 6] Probability density of random walks on random fractals: Stretched Gaussians and multifractal features, in:
Relaxation in Complex systems and Related Topics (Eds. I.A. Campbell and C. Giovannella, Plenum Press, New York, 1990) p. 305
Nato Advanced Research Workshop on: "Relaxation in Complex Systems and Related Topics" (Torino, Italy, October 16-20, 1989)
H.E. Roman, A. Bunde, S. Havlin
[ 5] Test of scaling for the vibrational density of states of percolation systems.
Phonons 89 (Eds. S. Hunklinger, W. Ludwig and G. Weiss, World Scientific, Singapore, 1990).
3rd International Conference on Phonon Physics (Heidelberg, F.R. Germany, August 21-25, 1989)
St. Russ, H.E. Roman, A. Bunde
[ 4] Anomalous transport on random fractal structures: Stretched Gaussians, power-laws and logarithmic time dependences.
Ber. Bunsenges. Phys. Chem. 93, 1205 (1989)
88th Annual Meeting of the Deutsche Bunsen-Gesellschaft fuer Physikalische Chemie, "Festkörper: Dynamik und Kinetik"
(Siegen, F.R. Germany, May 4-6, 1989)
H.E. Roman, A. Bunde, S. Havlin

1988
(No entries)

1987
[ 3] Theory of density profiles in α-AgI-type superionic conductors.
Solid State Ionics 28/30, 58 (1988)
6th Intern. Conf. on Solid State Ionics (Garmisch, F.R. Germany, 1987)
F. Billi, H.E. Roman, W. Dieterich

1986
(No entries)

1985
[ 2] Monte Carlo studies of ionic conductors containing an insulating second phase.
Solid State Ionics 18/19, 147 (1986)
5th Intern. Conf. on Solid State Ionics (Lake Tahoe, USA, 1985)
A. Bunde, W. Dieterich, E. Roman
[ 1] Transport in composite ionic conductors, in:
Transport-Structure Relations in Fast Ion and Mixed Conductors
(Eds. F.W. Poulsen, N. Hessel Andersen, K. Clausen, S. Skaarup, O. Toft Sørensen, Risø National Laboratory, Roskilde, 1985), p. 165
6th Risø Intern. Symp. on Metallurgy and Materials Science (Risø, Dänemark, 1985)
E. Roman, A. Bunde, W. Dieterich