Benvenuti nell'Anagrafe della Ricerca d'Ateneo

RAGNISCO, Orlando
 Distribuzione geografica
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Continente #
NA - Nord America 7.779
EU - Europa 4.002
AS - Asia 2.231
OC - Oceania 5
AF - Africa 4
Continente sconosciuto - Info sul continente non disponibili 1
Totale 14.022
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Nazione #
US - Stati Uniti d'America 7.766
CN - Cina 1.742
GB - Regno Unito 1.514
SE - Svezia 814
UA - Ucraina 527
DE - Germania 363
VN - Vietnam 233
IT - Italia 192
RU - Federazione Russa 152
SG - Singapore 152
AL - Albania 126
IE - Irlanda 126
FI - Finlandia 125
TR - Turchia 88
NL - Olanda 21
BE - Belgio 14
FR - Francia 14
CA - Canada 12
AU - Australia 5
ES - Italia 5
HK - Hong Kong 4
JP - Giappone 4
IN - India 3
SN - Senegal 3
A2 - ???statistics.table.value.countryCode.A2??? 1
AE - Emirati Arabi Uniti 1
BD - Bangladesh 1
CH - Svizzera 1
CZ - Repubblica Ceca 1
DK - Danimarca 1
GR - Grecia 1
LA - Repubblica Popolare Democratica del Laos 1
LK - Sri Lanka 1
LV - Lettonia 1
MA - Marocco 1
NO - Norvegia 1
PA - Panama 1
PL - Polonia 1
PT - Portogallo 1
RO - Romania 1
UZ - Uzbekistan 1
Totale 14.022
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Città #
Southend 1.344
Woodbridge 1.163
Fairfield 1.101
Houston 610
Chandler 571
Ashburn 502
Seattle 473
Wilmington 454
Nanjing 452
Cambridge 393
Jacksonville 367
Ann Arbor 341
Boardman 295
Princeton 246
Dong Ket 233
Dearborn 207
Nanchang 152
Shenyang 141
Tianjin 126
Dublin 125
Beijing 115
Singapore 108
Hebei 102
Jinan 101
Izmir 88
Jiaxing 85
Redwood City 85
Changsha 79
San Paolo di Civitate 60
Altamura 51
San Diego 49
Ningbo 41
Hangzhou 39
Kunming 37
Guangzhou 36
Taizhou 35
Zhengzhou 32
New York 30
London 26
Shanghai 25
Lanzhou 22
Orange 22
Haikou 20
Westminster 20
Eitensheim 19
Plano 19
Alameda 17
Flushing 17
Brussels 13
Los Angeles 13
Rome 12
Santa Clara 12
Venezia 12
Dallas 11
Indiana 10
Saint Petersburg 10
Bari 9
Fort Worth 9
Chiswick 8
Fuzhou 8
Auburn Hills 7
Changchun 6
Milan 6
Norwalk 6
Hefei 5
Kilburn 5
Mountain View 5
North York 5
Verona 5
Wandsworth 5
Chengdu 4
Hong Kong 4
Hounslow 4
Islington 4
Lawrence 4
Salamanca 4
Stevenage 4
Amsterdam 3
Cantalupo In Sabina 3
Chicago 3
Dakar 3
Eugene 3
Las Vegas 3
Naples 3
Paris 3
Phoenix 3
Washington 3
Xian 3
Atlanta 2
Clifton 2
Gloucester 2
Napoli 2
Pune 2
Qingdao 2
Québec 2
Redmond 2
Saint Paul 2
San Francisco 2
Setagaya 2
Taiyuan 2
Totale 10.943
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Nome #
BACKLUND TRANSFORMATION VS THE DRESSING METHOD 203
BACKLUND-TRANSFORMATIONS FOR CHIRAL FIELD-EQUATIONS 177
THE INHOMOGENEOUS TODA LATTICE - ITS HIERARCHY AND DARBOUX-BACKLUND TRANSFORMATIONS 173
INTEGRABLE CELLULAR AUTOMATA 166
N-dimensional classical integrable systems from Hopf algebras 160
An Ecology and Economy Coupling Model. A global stationary state model for a sustainable economy in the Hamiltonian formalism 159
APPROXIMATE INVERSE SPECTRAL TRANSFORM FOR THE KORTEWEG-DEVRIES EQUATION 157
R-MATRICES AND HIGHER POISSON BRACKETS FOR INTEGRABLE SYSTEMS 156
Backlund transformations as exact integrable time discretizations for the trigonometric Gaudin model 151
EXTENSION OF THE ZAKHAROV-SHABAT GENERALIZED INVERSE METHOD TO SOLVE DIFFERENTIAL-DIFFERENCE AND DIFFERENCE-DIFFERENCE EQUATIONS 151
Quantum backlund transformations: Some ideas and examples 151
Algebraic entropy for algebraic maps 151
An isochronous variant of the Ruijsenaars-Toda model: equilibrium configurations, behavior in their neighborhood, Diophantine relations 150
DENSITY FLUCTUATIONS IN NUCLEAR-MATTER 148
Backlund Transformations for the Kirchhoff Top 146
INTEGRABLE MECHANICAL SYSTEMS RELATED TO THE HARRY-DYM HIERARCHY 146
Backlund Transformations for the Trigonometric Gaudin Magnet 144
REDUCTION TECHNIQUES FOR INFINITE-DIMENSIONAL HAMILTONIAN-SYSTEMS - SOME IDEAS AND APPLICATIONS 143
THE HAMILTONIAN-STRUCTURE OF THE NON-ABELIAN TODA HIERARCHY 141
N-dimensional sl(2)-coalgebra spaces with non-constant curvature RID B-5702-2011 RID F-2453-2010 140
EXTENSION OF SPECTRAL-TRANSFORM METHOD FOR SOLVING NON-LINEAR DIFFERENTIAL DIFFERENCE EQUATIONS 140
An exactly solvable deformation of the Coulomb problem associated with the Taub–NUT metric 139
The classical Taub-Nut System: factorization, spectrum generating algebra and solution to the equations of motion 137
NON-LINEAR DIFFERENTIAL-DIFFERENCE EQUATIONS, ASSOCIATED BACKLUND-TRANSFORMATIONS AND LAX TECHNIQUE 136
q-Deformations of Classical Integrable Systems 134
ON NEW SOLVABLE MANY-BODY DYNAMICAL-SYSTEMS WITH VELOCITY-DEPENDENT FORCES 133
From su(2) Gaudin Models to Integrable Tops 131
A new exactly solvable quantum model in N dimensions 131
The Perlick system type I: From the algebra of symmetries to the geometry of the trajectories 131
Integrable time-discretisation of the Ruijsenaars-Schneider model 130
DISCRETE VERSION OF THE NON-LINEAR SCHRODINGER EQUATION WITH LINEARLY X-DEPENDENT COEFFICIENTS 130
A Family of Exactly Solvable Radial Quantum Systems on Space of Non-Constant Curvature with Accidental Degeneracy in the Spectrum 129
The classical Darboux III oscillator: factorization, Spectrum Generating Algebra and solution to the equations of motion 129
DYNAMICAL R-MATRICES FOR INTEGRABLE MAPS 128
RECURSION OPERATOR AND BI-HAMILTONIAN STRUCTURE FOR INTEGRABLE MULTIDIMENSIONAL LATTICES 127
THE PERIODIC RELATIVISTIC TODA LATTICE - DIRECT AND INVERSE PROBLEM 127
THE HAMILTONIAN-STRUCTURE OF A COMPLEX VERSION OF THE BURGERS HIERARCHY 127
Exact Solution to a Supersymmetric Gaudin Model 126
Classical dynamical systems from q-algebras: 'cluster' variables and explicit solutions 124
Separation of variables and Backlund transformations for the symmetric Lagrange top 124
A maximally superintegrable deformation of the N-dimensional quantum Kepler-Coulomb system 124
DARBOUX TRANSFORMATION AND SPECIAL SOLUTIONS FOR THE TWO-DIMENSIONAL TODA LATTICE 123
Quantum versus classical integrability in Ruijsenaars-Schneider systems 122
CONTINUOUS AND DISCRETE MATRIX BURGERS HIERARCHIES 122
CONSTRUCTION OF HIGHER LOCAL (2+1)-DIMENSIONAL EXPONENTIAL LATTICE EQUATIONS 121
EVOLUTION-EQUATIONS ASSOCIATED WITH THE DISCRETE ANALOG OF THE MATRIX SCHRODINGER SPECTRAL PROBLEM SOLVABLE BY THE INVERSE SPECTRAL TRANSFORM 121
Backlund transformations for many-body systems related to KdV 120
SOME RELEVANT CLASSES OF NONLINEAR EVOLUTION-EQUATIONS AS EXAMPLES OF A GENERAL REDUCTION TECHNIQUE FOR INFINITE DIMENSIONAL HAMILTONIAN-SYSTEMS 119
Peakons, r-matrix and Toda lattice 118
DRESSING METHOD VS CLASSICAL DARBOUX TRANSFORMATION 118
Integrable discretizations of the spin Ruijsenaars-Schneider models 117
Backlund transformations for the rational Lagrange chain 117
A rigid body dynamics derived from a class of extended Gaudin models: An integrable discretization RID A-7283-2010 116
A systematic construction of completely integrable Hamiltonians from coalgebras 116
(Super)integrability from coalgebra symmetry: formalism and applications 116
MASTERSYMMETRIES, ANGLE VARIABLES, AND RECURSION OPERATOR OF THE RELATIVISTIC TODA LATTICE 116
SUPERINTEGRABLE DEFORMATIONS OF THE SMORODINSKY-WINTERNITZ HAMILTONIAN 115
q –Poisson coalgebras and integrable dynamics on spaces with variable curvature 115
Integrable geodesic motion on 3D curved spaces from non-standard quantum deformations 114
Properties of the series solution for Painleve I 114
Classical Hamiltonian systems with sl(2) coalgebra symmetry and their integrable deformations 113
HYPERSPHERICAL-EXPANSION APPROACH TO NUCLEAR BOUND-STATES .5. LIMIT OF LARGE A FOR NONLOCAL POTENTIALS 112
Continuous and Discrete (Classical) Heisenberg Spin Chain Revised 112
Integrable maps for the Garnier and for the Neumann system 112
A NOVEL HIERARCHY OF INTEGRABLE LATTICES 112
RECURSION OPERATOR AND BACKLUND-TRANSFORMATIONS FOR THE RUIJSENAARS-TODA LATTICE 110
A SIMPLE LATTICE VERSION OF THE NONLINEAR SCHRODINGER-EQUATION AND ITS DEFORMATION WITH AN EXACT QUANTUM SOLUTION 110
EXACT SOLUTION OF CLASSICAL AND QUANTAL ONE-DIMENSIONAL MANY-BODY PROBLEMS WITH 2-BODY POTENTIAL VA(X)=G2A2-SINH2(AX) 109
ON THE RELATION OF THE STATIONARY TODA EQUATION AND THE SYMPLECTIC MAPS 109
Superintegrable Oscillator and Kepler Systems on Spaces of Nonconstant Curvature via the Stackel Transform RID B-5702-2011 109
EXISTENCE OF A LAX PAIR FOR ANY MEMBER OF THE CLASS OF NON-LINEAR EVOLUTION-EQUATIONS ASSOCIATED TO THE MATRIX SCHRODINGER SPECTRAL PROBLEM 109
Bertrand spacetimes as Kepler/oscillator potentials RID B-5702-2011 RID F-2453-2010 108
QUASISOLITONS ON A DIATOMIC CHAIN AT ROOM-TEMPERATURE 108
A UNIFIED ALGEBRAIC APPROACH TO INTEGRAL AND DISCRETE EVOLUTION-EQUATIONS 108
Backlund transformations for the sl(2) Gaudin magnet 107
LAX REPRESENTATION AND COMPLETE-INTEGRABILITY FOR THE PERIODIC RELATIVISTIC TODA LATTICE 107
Superintegrable Potentials on 3D Riemannian and Lorentzian Spaces with Nonconstant Curvature RID B-5702-2011 RID F-2453-2010 106
Discrete Integrable Systems 106
Superintegrability on sl(2)-coalgebra spaces 105
Integrable potentials on spaces with curvature from quantum groups RID F-2453-2010 103
Dynamical r-matrix for the elliptic Ruijsenaars-Schneider system 103
Quantum mechanics on spaces of nonconstant curvature: The oscillator problem and superintegrability RID B-5702-2011 102
What is the relativistic Volterra lattice? 102
Superintegrable deformations of the KC and HO potentials on curved spaces 100
NON-ISOSPECTRAL DEFORMATIONS AND DARBOUX TRANSFORMATIONS FOR THE 3RD-ORDER SPECTRAL PROBLEM 100
The Degasperis-Procesi equation with self-consistent sources 99
A maximally superintegrable system on an n-dimensional space of nonconstant curvature RID F-2453-2010 98
Maximally superintegrable Gaudin magnet: A unified approach RID A-7283-2010 98
INTEGRABLE SYMPLECTIC MAPS 97
Dressing Method and Backlund and Darboux Transformations 97
RESTRICTED FLOWS OF THE AKNS HIERARCHY 96
SOLITON SURFACES .7. RELATIVISTIC STRING IN EXTERNAL-FIELD - GENERAL INTEGRAL AND PARTICULAR SOLUTIONS 94
Algebraic extensions of Gaudin models RID A-7283-2010 94
NONLINEAR WKB ANALYSIS OF THE STRING EQUATION 93
HYPERSPHERICAL-EXPANSION APPROACH TO NUCLEAR BOUND-STATES .4. LIMIT OF LARGE A FOR VELOCITY-DEPENDENT POTENTIALS 93
ON A NEW INTEGRABLE HAMILTONIAN SYSTEM WITH NEAREST-NEIGHBOR INTERACTION 90
Integrable geodesic motion on 3D curved spaces from non-standard quantum deformations RID F-2453-2010 90
NONLINEAR DIFFERENTIAL-DIFFERENCE EQUATIONS WITH N-DEPENDENT COEFFICIENTS .1. 90
Exactly solvable deformations of the oscillator and Coulomb systems and their generalization 90
Superintegrability on sl(2)-coalgebra spaces RID F-2453-2010 89
Totale 12.180
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Categoria #
all - tutte 49.659
article - articoli 0
book - libri 0
conference - conferenze 0
curatela - curatele 0
other - altro 0
patent - brevetti 0
selected - selezionate 0
volume - volumi 0
Totale 49.659
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2019/20202.161 0 0 0 0 298 300 337 331 553 122 165 55
2020/20212.305 151 135 199 79 294 170 370 233 81 190 79 324
2021/20221.180 41 250 8 17 269 52 86 42 110 42 86 177
2022/20231.920 229 368 136 138 210 350 0 184 208 11 53 33
2023/2024409 51 53 24 21 31 54 13 34 2 36 6 84
2024/2025397 42 65 259 9 22 0 0 0 0 0 0 0
Totale 14.143