Benvenuti nell'Anagrafe della Ricerca d'Ateneo

RAGNISCO, Orlando
 Distribuzione geografica
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Continente #
NA - Nord America 8.508
EU - Europa 5.467
AS - Asia 4.312
SA - Sud America 491
AF - Africa 29
OC - Oceania 5
Continente sconosciuto - Info sul continente non disponibili 2
Totale 18.814
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Nazione #
US - Stati Uniti d'America 8.453
CN - Cina 2.289
GB - Regno Unito 1.538
RU - Federazione Russa 1.438
SG - Singapore 1.174
SE - Svezia 822
UA - Ucraina 534
VN - Vietnam 417
DE - Germania 398
BR - Brasile 389
IT - Italia 213
HK - Hong Kong 150
FI - Finlandia 137
AL - Albania 128
IE - Irlanda 127
TR - Turchia 98
KR - Corea 51
NL - Olanda 40
AR - Argentina 38
IN - India 34
CA - Canada 30
BD - Bangladesh 28
PL - Polonia 23
EC - Ecuador 22
FR - Francia 20
ID - Indonesia 19
CO - Colombia 17
BE - Belgio 14
ES - Italia 14
MX - Messico 14
JP - Giappone 10
ZA - Sudafrica 10
IQ - Iraq 7
UZ - Uzbekistan 7
PY - Paraguay 6
AU - Australia 5
PE - Perù 5
PK - Pakistan 5
UY - Uruguay 5
VE - Venezuela 5
AE - Emirati Arabi Uniti 4
KE - Kenya 4
CL - Cile 3
DZ - Algeria 3
JO - Giordania 3
SN - Senegal 3
AT - Austria 2
BA - Bosnia-Erzegovina 2
BY - Bielorussia 2
EG - Egitto 2
GR - Grecia 2
HN - Honduras 2
IL - Israele 2
LT - Lituania 2
LV - Lettonia 2
MA - Marocco 2
NP - Nepal 2
OM - Oman 2
SA - Arabia Saudita 2
SV - El Salvador 2
A2 - ???statistics.table.value.countryCode.A2??? 1
AM - Armenia 1
AZ - Azerbaigian 1
BG - Bulgaria 1
BO - Bolivia 1
BZ - Belize 1
CD - Congo 1
CH - Svizzera 1
CR - Costa Rica 1
CY - Cipro 1
CZ - Repubblica Ceca 1
DK - Danimarca 1
DO - Repubblica Dominicana 1
ET - Etiopia 1
GA - Gabon 1
HU - Ungheria 1
JM - Giamaica 1
KH - Cambogia 1
KW - Kuwait 1
LA - Repubblica Popolare Democratica del Laos 1
LK - Sri Lanka 1
MD - Moldavia 1
NG - Nigeria 1
NI - Nicaragua 1
NO - Norvegia 1
PA - Panama 1
PH - Filippine 1
PT - Portogallo 1
RO - Romania 1
TN - Tunisia 1
TT - Trinidad e Tobago 1
XK - ???statistics.table.value.countryCode.XK??? 1
Totale 18.814
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Città #
Southend 1.344
Woodbridge 1.163
Fairfield 1.101
Houston 613
Chandler 571
Ashburn 568
Singapore 531
Seattle 474
Wilmington 458
Nanjing 454
Cambridge 393
Jacksonville 367
Ann Arbor 341
Boardman 295
Princeton 246
Hefei 237
Dong Ket 233
Dearborn 207
Dallas 190
Beijing 175
Nanchang 152
Hong Kong 150
Shenyang 141
Tianjin 131
Dublin 126
Hebei 102
Jinan 101
Izmir 88
Changsha 86
Jiaxing 85
Redwood City 85
Ho Chi Minh City 78
Moscow 77
The Dalles 63
San Paolo di Civitate 60
New York 54
Altamura 51
Seoul 51
Los Angeles 49
San Diego 49
Guangzhou 43
Ningbo 41
Hangzhou 39
Kunming 37
Zhengzhou 36
Taizhou 35
São Paulo 34
London 31
Munich 31
Shanghai 31
Hanoi 30
Chicago 29
Santa Clara 23
Lanzhou 22
Orange 22
Warsaw 21
Haikou 20
Westminster 20
Eitensheim 19
Plano 19
Alameda 17
Brooklyn 17
Flushing 17
Haiphong 17
Yubileyny 16
Columbus 14
Mumbai 14
Orem 14
Rome 14
Boston 13
Brussels 13
Milan 13
Turku 12
Venezia 12
Amsterdam 11
Bari 10
Fort Worth 10
Guayaquil 10
Indiana 10
Rio de Janeiro 10
Saint Petersburg 10
Atlanta 9
Belo Horizonte 9
Da Nang 9
Fuzhou 9
Phoenix 9
Salt Lake City 9
San Francisco 9
Campinas 8
Chiswick 8
Curitiba 8
Denver 8
Montreal 8
Poplar 8
Stockholm 8
Auburn Hills 7
Brasília 7
Changchun 6
Charlotte 6
Guarulhos 6
Totale 12.748
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Nome #
BACKLUND TRANSFORMATION VS THE DRESSING METHOD 251
BACKLUND-TRANSFORMATIONS FOR CHIRAL FIELD-EQUATIONS 230
APPROXIMATE INVERSE SPECTRAL TRANSFORM FOR THE KORTEWEG-DEVRIES EQUATION 223
An Ecology and Economy Coupling Model. A global stationary state model for a sustainable economy in the Hamiltonian formalism 218
N-dimensional classical integrable systems from Hopf algebras 212
Backlund transformations as exact integrable time discretizations for the trigonometric Gaudin model 209
THE INHOMOGENEOUS TODA LATTICE - ITS HIERARCHY AND DARBOUX-BACKLUND TRANSFORMATIONS 203
R-MATRICES AND HIGHER POISSON BRACKETS FOR INTEGRABLE SYSTEMS 201
Algebraic entropy for algebraic maps 201
An isochronous variant of the Ruijsenaars-Toda model: equilibrium configurations, behavior in their neighborhood, Diophantine relations 199
INTEGRABLE CELLULAR AUTOMATA 196
DRESSING METHOD VS CLASSICAL DARBOUX TRANSFORMATION 191
N-dimensional sl(2)-coalgebra spaces with non-constant curvature RID B-5702-2011 RID F-2453-2010 190
An exactly solvable deformation of the Coulomb problem associated with the Taub–NUT metric 190
EXTENSION OF THE ZAKHAROV-SHABAT GENERALIZED INVERSE METHOD TO SOLVE DIFFERENTIAL-DIFFERENCE AND DIFFERENCE-DIFFERENCE EQUATIONS 189
Backlund Transformations for the Kirchhoff Top 187
A new exactly solvable quantum model in N dimensions 187
Quantum backlund transformations: Some ideas and examples 185
Backlund Transformations for the Trigonometric Gaudin Magnet 184
REDUCTION TECHNIQUES FOR INFINITE-DIMENSIONAL HAMILTONIAN-SYSTEMS - SOME IDEAS AND APPLICATIONS 180
The classical Taub-Nut System: factorization, spectrum generating algebra and solution to the equations of motion 179
A Family of Exactly Solvable Radial Quantum Systems on Space of Non-Constant Curvature with Accidental Degeneracy in the Spectrum 179
SUPERINTEGRABLE DEFORMATIONS OF THE SMORODINSKY-WINTERNITZ HAMILTONIAN 178
DENSITY FLUCTUATIONS IN NUCLEAR-MATTER 178
EXTENSION OF SPECTRAL-TRANSFORM METHOD FOR SOLVING NON-LINEAR DIFFERENTIAL DIFFERENCE EQUATIONS 176
Integrable geodesic motion on 3D curved spaces from non-standard quantum deformations 173
A systematic construction of completely integrable Hamiltonians from coalgebras 172
q-Deformations of Classical Integrable Systems 170
DISCRETE VERSION OF THE NON-LINEAR SCHRODINGER EQUATION WITH LINEARLY X-DEPENDENT COEFFICIENTS 170
INTEGRABLE MECHANICAL SYSTEMS RELATED TO THE HARRY-DYM HIERARCHY 170
A NOVEL HIERARCHY OF INTEGRABLE LATTICES 170
THE HAMILTONIAN-STRUCTURE OF THE NON-ABELIAN TODA HIERARCHY 169
The classical Darboux III oscillator: factorization, Spectrum Generating Algebra and solution to the equations of motion 167
A rigid body dynamics derived from a class of extended Gaudin models: An integrable discretization RID A-7283-2010 165
Discrete Integrable Systems 165
From su(2) Gaudin Models to Integrable Tops 164
A maximally superintegrable deformation of the N-dimensional quantum Kepler-Coulomb system 164
Integrable time-discretisation of the Ruijsenaars-Schneider model 163
(Super)integrability from coalgebra symmetry: formalism and applications 163
Backlund transformations for many-body systems related to KdV 162
NON-LINEAR DIFFERENTIAL-DIFFERENCE EQUATIONS, ASSOCIATED BACKLUND-TRANSFORMATIONS AND LAX TECHNIQUE 162
Superintegrability on sl(2)-coalgebra spaces 162
DYNAMICAL R-MATRICES FOR INTEGRABLE MAPS 161
The Perlick system type I: From the algebra of symmetries to the geometry of the trajectories 159
DARBOUX TRANSFORMATION AND SPECIAL SOLUTIONS FOR THE TWO-DIMENSIONAL TODA LATTICE 158
ON NEW SOLVABLE MANY-BODY DYNAMICAL-SYSTEMS WITH VELOCITY-DEPENDENT FORCES 157
Peakons, r-matrix and Toda lattice 156
RECURSION OPERATOR AND BI-HAMILTONIAN STRUCTURE FOR INTEGRABLE MULTIDIMENSIONAL LATTICES 154
q –Poisson coalgebras and integrable dynamics on spaces with variable curvature 154
A SIMPLE LATTICE VERSION OF THE NONLINEAR SCHRODINGER-EQUATION AND ITS DEFORMATION WITH AN EXACT QUANTUM SOLUTION 154
Backlund transformations for the rational Lagrange chain 153
CONTINUOUS AND DISCRETE MATRIX BURGERS HIERARCHIES 152
A UNIFIED ALGEBRAIC APPROACH TO INTEGRAL AND DISCRETE EVOLUTION-EQUATIONS 152
THE PERIODIC RELATIVISTIC TODA LATTICE - DIRECT AND INVERSE PROBLEM 151
THE HAMILTONIAN-STRUCTURE OF A COMPLEX VERSION OF THE BURGERS HIERARCHY 151
Exact Solution to a Supersymmetric Gaudin Model 150
Separation of variables and Backlund transformations for the symmetric Lagrange top 149
A maximally superintegrable system on an n-dimensional space of nonconstant curvature RID F-2453-2010 147
Classical dynamical systems from q-algebras: 'cluster' variables and explicit solutions 147
CONSTRUCTION OF HIGHER LOCAL (2+1)-DIMENSIONAL EXPONENTIAL LATTICE EQUATIONS 146
Quantum versus classical integrability in Ruijsenaars-Schneider systems 145
EVOLUTION-EQUATIONS ASSOCIATED WITH THE DISCRETE ANALOG OF THE MATRIX SCHRODINGER SPECTRAL PROBLEM SOLVABLE BY THE INVERSE SPECTRAL TRANSFORM 145
Algebraic extensions of Gaudin models RID A-7283-2010 144
QUASISOLITONS ON A DIATOMIC CHAIN AT ROOM-TEMPERATURE 144
EXISTENCE OF A LAX PAIR FOR ANY MEMBER OF THE CLASS OF NON-LINEAR EVOLUTION-EQUATIONS ASSOCIATED TO THE MATRIX SCHRODINGER SPECTRAL PROBLEM 144
HYPERSPHERICAL-EXPANSION APPROACH TO NUCLEAR BOUND-STATES .5. LIMIT OF LARGE A FOR NONLOCAL POTENTIALS 143
Properties of the series solution for Painleve I 143
Backlund transformations for the sl(2) Gaudin magnet 141
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 140
Integrable discretizations of the spin Ruijsenaars-Schneider models 139
EXACT SOLUTION OF CLASSICAL AND QUANTAL ONE-DIMENSIONAL MANY-BODY PROBLEMS WITH 2-BODY POTENTIAL VA(X)=G2A2-SINH2(AX) 139
Superintegrability on sl(2)-coalgebra spaces RID F-2453-2010 139
SOME RELEVANT CLASSES OF NONLINEAR EVOLUTION-EQUATIONS AS EXAMPLES OF A GENERAL REDUCTION TECHNIQUE FOR INFINITE DIMENSIONAL HAMILTONIAN-SYSTEMS 139
MASTERSYMMETRIES, ANGLE VARIABLES, AND RECURSION OPERATOR OF THE RELATIVISTIC TODA LATTICE 139
Superintegrable deformations of the KC and HO potentials on curved spaces 138
Classical Hamiltonian systems with sl(2) coalgebra symmetry and their integrable deformations 137
Bertrand spacetimes as Kepler/oscillator potentials RID B-5702-2011 RID F-2453-2010 137
Superintegrable Potentials on 3D Riemannian and Lorentzian Spaces with Nonconstant Curvature RID B-5702-2011 RID F-2453-2010 137
Superintegrable Oscillator and Kepler Systems on Spaces of Nonconstant Curvature via the Stackel Transform RID B-5702-2011 137
Continuous and Discrete (Classical) Heisenberg Spin Chain Revised 136
Quantum mechanics on spaces of nonconstant curvature: The oscillator problem and superintegrability RID B-5702-2011 135
Integrable maps for the Garnier and for the Neumann system 135
Integrals of motion and trajectories for the Perlick system I: an algebraic approach 135
Dynamical r-matrix for the elliptic Ruijsenaars-Schneider system 135
Integrable potentials on spaces with curvature from quantum groups RID F-2453-2010 134
A DISCRETE NEUMANN SYSTEM 134
Maximally superintegrable Gaudin magnet: A unified approach RID A-7283-2010 133
ON THE RELATION OF THE STATIONARY TODA EQUATION AND THE SYMPLECTIC MAPS 132
RECURSION OPERATOR AND BACKLUND-TRANSFORMATIONS FOR THE RUIJSENAARS-TODA LATTICE 132
What is the relativistic Volterra lattice? 131
LAX REPRESENTATION AND COMPLETE-INTEGRABILITY FOR THE PERIODIC RELATIVISTIC TODA LATTICE 131
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 128
HYPERSPHERICAL-EXPANSION APPROACH TO NUCLEAR BOUND-STATES .4. LIMIT OF LARGE A FOR VELOCITY-DEPENDENT POTENTIALS 128
NON-ISOSPECTRAL DEFORMATIONS AND DARBOUX TRANSFORMATIONS FOR THE 3RD-ORDER SPECTRAL PROBLEM 127
INTEGRABLE SYMPLECTIC MAPS 126
NONLINEAR DIFFERENTIAL-DIFFERENCE EQUATIONS WITH N-DEPENDENT COEFFICIENTS .1. 125
SOLITON SURFACES .7. RELATIVISTIC STRING IN EXTERNAL-FIELD - GENERAL INTEGRAL AND PARTICULAR SOLUTIONS 124
On Fourier integral transforms for q-Fibonacci and q-Lucas polynomials 124
ON A NEW INTEGRABLE HAMILTONIAN SYSTEM WITH NEAREST-NEIGHBOR INTERACTION 123
THE NONABELIAN TODA LATTICE-DISCRETE ANALOG OF THE MATRIX SCHRODINGER SPECTRAL PROBLEM 122
Totale 15.898
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Categoria #
all - tutte 67.804
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 67.804
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/20211.447 0 0 0 0 0 170 370 233 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
2024/20252.537 42 65 259 9 22 76 984 419 201 107 197 156
2025/20262.658 296 598 376 762 326 300 0 0 0 0 0 0
Totale 18.941