Benvenuti nell'Anagrafe della Ricerca d'Ateneo

RAGNISCO, Orlando
 Distribuzione geografica
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Continente #
NA - Nord America 8.881
EU - Europa 5.533
AS - Asia 5.365
SA - Sud America 614
AF - Africa 63
OC - Oceania 6
Continente sconosciuto - Info sul continente non disponibili 2
Totale 20.464
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Nazione #
US - Stati Uniti d'America 8.810
CN - Cina 2.524
GB - Regno Unito 1.545
SG - Singapore 1.535
RU - Federazione Russa 1.446
SE - Svezia 822
VN - Vietnam 638
UA - Ucraina 537
BR - Brasile 450
DE - Germania 403
IT - Italia 219
HK - Hong Kong 196
FI - Finlandia 148
AL - Albania 130
IE - Irlanda 129
TR - Turchia 116
IN - India 77
AR - Argentina 59
KR - Corea 54
BD - Bangladesh 51
NL - Olanda 45
CA - Canada 33
EC - Ecuador 30
CO - Colombia 29
FR - Francia 27
IQ - Iraq 26
PK - Pakistan 25
PL - Polonia 25
ID - Indonesia 23
MX - Messico 19
ZA - Sudafrica 18
ES - Italia 16
BE - Belgio 14
JP - Giappone 13
PH - Filippine 13
UZ - Uzbekistan 12
VE - Venezuela 12
CL - Cile 10
PY - Paraguay 10
MY - Malesia 9
TN - Tunisia 9
KE - Kenya 8
SA - Arabia Saudita 7
AU - Australia 6
NP - Nepal 6
PE - Perù 6
AE - Emirati Arabi Uniti 5
DZ - Algeria 5
JO - Giordania 5
UY - Uruguay 5
AZ - Azerbaigian 4
DO - Repubblica Dominicana 4
EG - Egitto 4
ET - Etiopia 4
MA - Marocco 4
TH - Thailandia 4
BA - Bosnia-Erzegovina 3
BO - Bolivia 3
PT - Portogallo 3
SN - Senegal 3
AT - Austria 2
BY - Bielorussia 2
CR - Costa Rica 2
GR - Grecia 2
HN - Honduras 2
HU - Ungheria 2
IL - Israele 2
JM - Giamaica 2
KG - Kirghizistan 2
LK - Sri Lanka 2
LT - Lituania 2
LV - Lettonia 2
MD - Moldavia 2
MN - Mongolia 2
OM - Oman 2
PA - Panama 2
PS - Palestinian Territory 2
SV - El Salvador 2
TT - Trinidad e Tobago 2
A2 - ???statistics.table.value.countryCode.A2??? 1
AM - Armenia 1
BG - Bulgaria 1
BZ - Belize 1
CD - Congo 1
CH - Svizzera 1
CV - Capo Verde 1
CY - Cipro 1
CZ - Repubblica Ceca 1
DK - Danimarca 1
GA - Gabon 1
GH - Ghana 1
GM - Gambi 1
KH - Cambogia 1
KW - Kuwait 1
LA - Repubblica Popolare Democratica del Laos 1
LB - Libano 1
LS - Lesotho 1
MM - Myanmar 1
MQ - Martinica 1
MU - Mauritius 1
Totale 20.455
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Città #
Southend 1.344
Woodbridge 1.163
Fairfield 1.101
Singapore 662
Houston 613
Ashburn 599
Chandler 571
Seattle 474
Wilmington 458
Nanjing 454
Cambridge 393
Jacksonville 367
Ann Arbor 341
Boardman 295
San Jose 264
Princeton 246
Hefei 237
Dong Ket 233
Dearborn 207
Dallas 191
Hong Kong 190
Beijing 176
Nanchang 152
Shenyang 141
Ho Chi Minh City 132
Tianjin 131
Dublin 127
Hebei 102
Jinan 101
Hanoi 94
Izmir 88
Changsha 86
Jiaxing 85
Redwood City 85
Moscow 77
The Dalles 63
San Paolo di Civitate 60
Los Angeles 59
New York 54
Altamura 51
Seoul 51
San Diego 49
Guangzhou 43
Ningbo 41
Hangzhou 39
Kunming 37
São Paulo 37
Zhengzhou 36
Taizhou 35
Chicago 34
London 34
Munich 31
Shanghai 31
Santa Clara 25
Lanzhou 22
Orange 22
Haiphong 21
Warsaw 21
Haikou 20
Westminster 20
Da Nang 19
Eitensheim 19
Plano 19
Alameda 17
Brooklyn 17
Flushing 17
Orem 16
Yubileyny 16
Columbus 14
Mumbai 14
Rio de Janeiro 14
Rome 14
Amsterdam 13
Boston 13
Brussels 13
Milan 13
Helsinki 12
Turku 12
Venezia 12
Guayaquil 11
Atlanta 10
Bari 10
Belo Horizonte 10
Chennai 10
Fort Worth 10
Indiana 10
Medellín 10
Phoenix 10
Quito 10
Saint Petersburg 10
San Francisco 10
Tashkent 10
Campinas 9
Fuzhou 9
Montreal 9
Salt Lake City 9
Biên Hòa 8
Brasília 8
Bắc Ninh 8
Chiswick 8
Totale 13.399
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Nome #
BACKLUND TRANSFORMATION VS THE DRESSING METHOD 264
APPROXIMATE INVERSE SPECTRAL TRANSFORM FOR THE KORTEWEG-DEVRIES EQUATION 243
BACKLUND-TRANSFORMATIONS FOR CHIRAL FIELD-EQUATIONS 240
An Ecology and Economy Coupling Model. A global stationary state model for a sustainable economy in the Hamiltonian formalism 233
N-dimensional classical integrable systems from Hopf algebras 227
Backlund transformations as exact integrable time discretizations for the trigonometric Gaudin model 222
R-MATRICES AND HIGHER POISSON BRACKETS FOR INTEGRABLE SYSTEMS 220
Algebraic entropy for algebraic maps 219
THE INHOMOGENEOUS TODA LATTICE - ITS HIERARCHY AND DARBOUX-BACKLUND TRANSFORMATIONS 216
An isochronous variant of the Ruijsenaars-Toda model: equilibrium configurations, behavior in their neighborhood, Diophantine relations 215
INTEGRABLE CELLULAR AUTOMATA 206
An exactly solvable deformation of the Coulomb problem associated with the Taub–NUT metric 206
A new exactly solvable quantum model in N dimensions 205
N-dimensional sl(2)-coalgebra spaces with non-constant curvature RID B-5702-2011 RID F-2453-2010 203
DRESSING METHOD VS CLASSICAL DARBOUX TRANSFORMATION 201
EXTENSION OF THE ZAKHAROV-SHABAT GENERALIZED INVERSE METHOD TO SOLVE DIFFERENTIAL-DIFFERENCE AND DIFFERENCE-DIFFERENCE EQUATIONS 196
Backlund Transformations for the Kirchhoff Top 195
Quantum backlund transformations: Some ideas and examples 195
SUPERINTEGRABLE DEFORMATIONS OF THE SMORODINSKY-WINTERNITZ HAMILTONIAN 193
A Family of Exactly Solvable Radial Quantum Systems on Space of Non-Constant Curvature with Accidental Degeneracy in the Spectrum 193
REDUCTION TECHNIQUES FOR INFINITE-DIMENSIONAL HAMILTONIAN-SYSTEMS - SOME IDEAS AND APPLICATIONS 191
Backlund Transformations for the Trigonometric Gaudin Magnet 191
A systematic construction of completely integrable Hamiltonians from coalgebras 188
EXTENSION OF SPECTRAL-TRANSFORM METHOD FOR SOLVING NON-LINEAR DIFFERENTIAL DIFFERENCE EQUATIONS 187
q-Deformations of Classical Integrable Systems 186
DENSITY FLUCTUATIONS IN NUCLEAR-MATTER 186
The classical Taub-Nut System: factorization, spectrum generating algebra and solution to the equations of motion 185
A NOVEL HIERARCHY OF INTEGRABLE LATTICES 185
A rigid body dynamics derived from a class of extended Gaudin models: An integrable discretization RID A-7283-2010 184
Integrable geodesic motion on 3D curved spaces from non-standard quantum deformations 183
(Super)integrability from coalgebra symmetry: formalism and applications 183
The classical Darboux III oscillator: factorization, Spectrum Generating Algebra and solution to the equations of motion 183
From su(2) Gaudin Models to Integrable Tops 179
INTEGRABLE MECHANICAL SYSTEMS RELATED TO THE HARRY-DYM HIERARCHY 179
A maximally superintegrable deformation of the N-dimensional quantum Kepler-Coulomb system 178
A SIMPLE LATTICE VERSION OF THE NONLINEAR SCHRODINGER-EQUATION AND ITS DEFORMATION WITH AN EXACT QUANTUM SOLUTION 178
DISCRETE VERSION OF THE NON-LINEAR SCHRODINGER EQUATION WITH LINEARLY X-DEPENDENT COEFFICIENTS 177
Discrete Integrable Systems 176
THE HAMILTONIAN-STRUCTURE OF THE NON-ABELIAN TODA HIERARCHY 175
Integrable time-discretisation of the Ruijsenaars-Schneider model 174
Backlund transformations for many-body systems related to KdV 173
Superintegrability on sl(2)-coalgebra spaces 172
DYNAMICAL R-MATRICES FOR INTEGRABLE MAPS 171
NON-LINEAR DIFFERENTIAL-DIFFERENCE EQUATIONS, ASSOCIATED BACKLUND-TRANSFORMATIONS AND LAX TECHNIQUE 171
ON NEW SOLVABLE MANY-BODY DYNAMICAL-SYSTEMS WITH VELOCITY-DEPENDENT FORCES 168
The Perlick system type I: From the algebra of symmetries to the geometry of the trajectories 168
DARBOUX TRANSFORMATION AND SPECIAL SOLUTIONS FOR THE TWO-DIMENSIONAL TODA LATTICE 168
A UNIFIED ALGEBRAIC APPROACH TO INTEGRAL AND DISCRETE EVOLUTION-EQUATIONS 168
q –Poisson coalgebras and integrable dynamics on spaces with variable curvature 167
AN EXAMPLE OF PARTIAL-DIFFERENTIAL-EQUATION PROBLEM ARISING IN A FINITE-DIFFERENCE CONTEXT - DIRECT AND INVERSE PROBLEM FOR THE DISCRETE ANALOG OF THE EQUATION PSI-XX+U-PSI=SIGMA-PSI-Y 167
RECURSION OPERATOR AND BI-HAMILTONIAN STRUCTURE FOR INTEGRABLE MULTIDIMENSIONAL LATTICES 165
Peakons, r-matrix and Toda lattice 165
THE HAMILTONIAN-STRUCTURE OF A COMPLEX VERSION OF THE BURGERS HIERARCHY 164
Exact Solution to a Supersymmetric Gaudin Model 163
Separation of variables and Backlund transformations for the symmetric Lagrange top 163
A maximally superintegrable system on an n-dimensional space of nonconstant curvature RID F-2453-2010 162
Classical dynamical systems from q-algebras: 'cluster' variables and explicit solutions 162
Backlund transformations for the rational Lagrange chain 160
Backlund transformations for the sl(2) Gaudin magnet 159
HYPERSPHERICAL-EXPANSION APPROACH TO NUCLEAR BOUND-STATES .5. LIMIT OF LARGE A FOR NONLOCAL POTENTIALS 159
QUASISOLITONS ON A DIATOMIC CHAIN AT ROOM-TEMPERATURE 159
CONSTRUCTION OF HIGHER LOCAL (2+1)-DIMENSIONAL EXPONENTIAL LATTICE EQUATIONS 158
Algebraic extensions of Gaudin models RID A-7283-2010 158
THE PERIODIC RELATIVISTIC TODA LATTICE - DIRECT AND INVERSE PROBLEM 158
Properties of the series solution for Painleve I 157
Superintegrability on sl(2)-coalgebra spaces RID F-2453-2010 156
Quantum versus classical integrability in Ruijsenaars-Schneider systems 154
Superintegrable Oscillator and Kepler Systems on Spaces of Nonconstant Curvature via the Stackel Transform RID B-5702-2011 154
CONTINUOUS AND DISCRETE MATRIX BURGERS HIERARCHIES 154
EVOLUTION-EQUATIONS ASSOCIATED WITH THE DISCRETE ANALOG OF THE MATRIX SCHRODINGER SPECTRAL PROBLEM SOLVABLE BY THE INVERSE SPECTRAL TRANSFORM 154
EXISTENCE OF A LAX PAIR FOR ANY MEMBER OF THE CLASS OF NON-LINEAR EVOLUTION-EQUATIONS ASSOCIATED TO THE MATRIX SCHRODINGER SPECTRAL PROBLEM 153
Quantum mechanics on spaces of nonconstant curvature: The oscillator problem and superintegrability RID B-5702-2011 152
Superintegrable Potentials on 3D Riemannian and Lorentzian Spaces with Nonconstant Curvature RID B-5702-2011 RID F-2453-2010 152
Integrable maps for the Garnier and for the Neumann system 151
SOME RELEVANT CLASSES OF NONLINEAR EVOLUTION-EQUATIONS AS EXAMPLES OF A GENERAL REDUCTION TECHNIQUE FOR INFINITE DIMENSIONAL HAMILTONIAN-SYSTEMS 151
Bertrand spacetimes as Kepler/oscillator potentials RID B-5702-2011 RID F-2453-2010 150
EXACT SOLUTION OF CLASSICAL AND QUANTAL ONE-DIMENSIONAL MANY-BODY PROBLEMS WITH 2-BODY POTENTIAL VA(X)=G2A2-SINH2(AX) 150
NON-ISOSPECTRAL DEFORMATIONS AND DARBOUX TRANSFORMATIONS FOR THE 3RD-ORDER SPECTRAL PROBLEM 150
Integrable discretizations of the spin Ruijsenaars-Schneider models 149
Integrable potentials on spaces with curvature from quantum groups RID F-2453-2010 149
What is the relativistic Volterra lattice? 149
Superintegrable deformations of the KC and HO potentials on curved spaces 149
Classical Hamiltonian systems with sl(2) coalgebra symmetry and their integrable deformations 148
MASTERSYMMETRIES, ANGLE VARIABLES, AND RECURSION OPERATOR OF THE RELATIVISTIC TODA LATTICE 148
A DISCRETE NEUMANN SYSTEM 146
Dynamical r-matrix for the elliptic Ruijsenaars-Schneider system 146
ON THE RELATION OF THE STATIONARY TODA EQUATION AND THE SYMPLECTIC MAPS 145
Maximally superintegrable Gaudin magnet: A unified approach RID A-7283-2010 144
Continuous and Discrete (Classical) Heisenberg Spin Chain Revised 144
HYPERSPHERICAL-EXPANSION APPROACH TO NUCLEAR BOUND-STATES .4. LIMIT OF LARGE A FOR VELOCITY-DEPENDENT POTENTIALS 144
RECURSION OPERATOR AND BACKLUND-TRANSFORMATIONS FOR THE RUIJSENAARS-TODA LATTICE 143
Integrals of motion and trajectories for the Perlick system I: an algebraic approach 142
LAX REPRESENTATION AND COMPLETE-INTEGRABILITY FOR THE PERIODIC RELATIVISTIC TODA LATTICE 140
INTEGRABLE SYMPLECTIC MAPS 139
Hamiltonian Systems Admitting a Runge-Lenz Vector and an Optimal Extension of Bertrand's Theorem to Curved Manifolds RID B-5702-2011 RID F-2453-2010 138
Backlund transformations for the rational Lagrange chain RID A-7283-2010 137
ON A NEW INTEGRABLE HAMILTONIAN SYSTEM WITH NEAREST-NEIGHBOR INTERACTION 136
THE NONABELIAN TODA LATTICE-DISCRETE ANALOG OF THE MATRIX SCHRODINGER SPECTRAL PROBLEM 136
NONLINEAR DIFFERENTIAL-DIFFERENCE EQUATIONS WITH N-DEPENDENT COEFFICIENTS .1. 135
SOLITON SURFACES .7. RELATIVISTIC STRING IN EXTERNAL-FIELD - GENERAL INTEGRAL AND PARTICULAR SOLUTIONS 133
Totale 17.166
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Categoria #
all - tutte 70.879
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 70.879
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021593 0 0 0 0 0 0 0 0 0 190 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
2024/20252.537 42 65 259 9 22 76 984 419 201 107 197 156
2025/20264.310 296 598 376 762 326 346 572 178 365 491 0 0
Totale 20.593