Benvenuti nell'Anagrafe della Ricerca d'Ateneo

RAGNISCO, Orlando
 Distribuzione geografica
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Continente #
NA - Nord America 9.208
EU - Europa 5.586
AS - Asia 5.435
SA - Sud America 618
Continente sconosciuto - Info sul continente non disponibili 132
AF - Africa 64
OC - Oceania 6
Totale 21.049
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Nazione #
US - Stati Uniti d'America 9.120
CN - Cina 2.526
GB - Regno Unito 1.546
SG - Singapore 1.543
RU - Federazione Russa 1.446
SE - Svezia 822
VN - Vietnam 638
UA - Ucraina 537
BR - Brasile 452
DE - Germania 403
IT - Italia 265
HK - Hong Kong 199
FI - Finlandia 148
AL - Albania 130
IE - Irlanda 129
TR - Turchia 116
BD - Bangladesh 106
IN - India 78
AR - Argentina 59
KR - Corea 55
NL - Olanda 47
CA - Canada 46
EC - Ecuador 31
CO - Colombia 30
FR - Francia 29
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
KE - Kenya 9
MY - Malesia 9
TN - Tunisia 9
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
CR - Costa Rica 3
JM - Giamaica 3
PT - Portogallo 3
SN - Senegal 3
AT - Austria 2
BY - Bielorussia 2
GR - Grecia 2
HN - Honduras 2
HU - Ungheria 2
IL - Israele 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
RO - Romania 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
GT - Guatemala 1
HR - Croazia 1
KH - Cambogia 1
KW - Kuwait 1
LA - Repubblica Popolare Democratica del Laos 1
LB - Libano 1
LS - Lesotho 1
Totale 20.907
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Città #
Southend 1.344
Woodbridge 1.163
Fairfield 1.101
Ashburn 668
Singapore 664
Houston 614
Chandler 571
Seattle 475
Wilmington 458
Nanjing 454
Cambridge 393
San Jose 369
Jacksonville 367
Ann Arbor 341
Boardman 295
Princeton 246
Hefei 237
Dong Ket 233
Dearborn 207
Dallas 196
Hong Kong 193
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
Los Angeles 64
New York 63
The Dalles 63
San Paolo di Civitate 60
Seoul 52
Altamura 51
San Diego 49
Guangzhou 43
Ningbo 41
Hangzhou 39
São Paulo 39
Santa Clara 38
Kunming 37
Zhengzhou 36
Taizhou 35
Chicago 34
London 34
Shanghai 32
Munich 31
Milan 23
Lanzhou 22
Orange 22
Haiphong 21
Warsaw 21
Haikou 20
Westminster 20
Da Nang 19
Eitensheim 19
Plano 19
Brooklyn 18
Orem 18
Rome 18
Alameda 17
Flushing 17
Yubileyny 16
Columbus 15
Mumbai 15
Rio de Janeiro 14
Amsterdam 13
Boston 13
Brussels 13
Helsinki 12
Turku 12
Venezia 12
Bari 11
Guayaquil 11
Medellín 11
Quito 11
San Francisco 11
Atlanta 10
Belo Horizonte 10
Chennai 10
Fort Worth 10
Indiana 10
Naples 10
Phoenix 10
Saint Petersburg 10
Tashkent 10
Buffalo 9
Campinas 9
Denver 9
Fuzhou 9
Montreal 9
Salt Lake City 9
Biên Hòa 8
Totale 13.643
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Nome #
BACKLUND TRANSFORMATION VS THE DRESSING METHOD 269
APPROXIMATE INVERSE SPECTRAL TRANSFORM FOR THE KORTEWEG-DEVRIES EQUATION 245
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 235
N-dimensional classical integrable systems from Hopf algebras 228
Backlund transformations as exact integrable time discretizations for the trigonometric Gaudin model 226
R-MATRICES AND HIGHER POISSON BRACKETS FOR INTEGRABLE SYSTEMS 224
THE INHOMOGENEOUS TODA LATTICE - ITS HIERARCHY AND DARBOUX-BACKLUND TRANSFORMATIONS 220
Algebraic entropy for algebraic maps 220
An isochronous variant of the Ruijsenaars-Toda model: equilibrium configurations, behavior in their neighborhood, Diophantine relations 217
An exactly solvable deformation of the Coulomb problem associated with the Taub–NUT metric 208
INTEGRABLE CELLULAR AUTOMATA 206
N-dimensional sl(2)-coalgebra spaces with non-constant curvature RID B-5702-2011 RID F-2453-2010 205
A new exactly solvable quantum model in N dimensions 205
DRESSING METHOD VS CLASSICAL DARBOUX TRANSFORMATION 204
Backlund Transformations for the Kirchhoff Top 199
Quantum backlund transformations: Some ideas and examples 199
EXTENSION OF THE ZAKHAROV-SHABAT GENERALIZED INVERSE METHOD TO SOLVE DIFFERENTIAL-DIFFERENCE AND DIFFERENCE-DIFFERENCE EQUATIONS 196
SUPERINTEGRABLE DEFORMATIONS OF THE SMORODINSKY-WINTERNITZ HAMILTONIAN 195
REDUCTION TECHNIQUES FOR INFINITE-DIMENSIONAL HAMILTONIAN-SYSTEMS - SOME IDEAS AND APPLICATIONS 194
Backlund Transformations for the Trigonometric Gaudin Magnet 194
A Family of Exactly Solvable Radial Quantum Systems on Space of Non-Constant Curvature with Accidental Degeneracy in the Spectrum 194
A systematic construction of completely integrable Hamiltonians from coalgebras 189
q-Deformations of Classical Integrable Systems 188
EXTENSION OF SPECTRAL-TRANSFORM METHOD FOR SOLVING NON-LINEAR DIFFERENTIAL DIFFERENCE EQUATIONS 188
A rigid body dynamics derived from a class of extended Gaudin models: An integrable discretization RID A-7283-2010 187
The classical Taub-Nut System: factorization, spectrum generating algebra and solution to the equations of motion 187
DENSITY FLUCTUATIONS IN NUCLEAR-MATTER 187
Integrable geodesic motion on 3D curved spaces from non-standard quantum deformations 186
A NOVEL HIERARCHY OF INTEGRABLE LATTICES 186
(Super)integrability from coalgebra symmetry: formalism and applications 185
The classical Darboux III oscillator: factorization, Spectrum Generating Algebra and solution to the equations of motion 184
From su(2) Gaudin Models to Integrable Tops 180
Backlund transformations for the rational Lagrange chain RID A-7283-2010 180
A maximally superintegrable deformation of the N-dimensional quantum Kepler-Coulomb system 180
INTEGRABLE MECHANICAL SYSTEMS RELATED TO THE HARRY-DYM HIERARCHY 180
A SIMPLE LATTICE VERSION OF THE NONLINEAR SCHRODINGER-EQUATION AND ITS DEFORMATION WITH AN EXACT QUANTUM SOLUTION 180
DISCRETE VERSION OF THE NON-LINEAR SCHRODINGER EQUATION WITH LINEARLY X-DEPENDENT COEFFICIENTS 179
Superintegrability on sl(2)-coalgebra spaces RID F-2453-2010 178
THE HAMILTONIAN-STRUCTURE OF THE NON-ABELIAN TODA HIERARCHY 178
Integrable time-discretisation of the Ruijsenaars-Schneider model 177
Discrete Integrable Systems 177
Superintegrability on sl(2)-coalgebra spaces 177
DYNAMICAL R-MATRICES FOR INTEGRABLE MAPS 175
Backlund transformations for many-body systems related to KdV 173
NON-LINEAR DIFFERENTIAL-DIFFERENCE EQUATIONS, ASSOCIATED BACKLUND-TRANSFORMATIONS AND LAX TECHNIQUE 172
DARBOUX TRANSFORMATION AND SPECIAL SOLUTIONS FOR THE TWO-DIMENSIONAL TODA LATTICE 171
ON NEW SOLVABLE MANY-BODY DYNAMICAL-SYSTEMS WITH VELOCITY-DEPENDENT FORCES 170
The Perlick system type I: From the algebra of symmetries to the geometry of the trajectories 170
Peakons, r-matrix and Toda lattice 170
A UNIFIED ALGEBRAIC APPROACH TO INTEGRAL AND DISCRETE EVOLUTION-EQUATIONS 169
Classical dynamical systems from q-algebras: 'cluster' variables and explicit solutions 168
Exact Solution to a Supersymmetric Gaudin Model 167
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
THE HAMILTONIAN-STRUCTURE OF A COMPLEX VERSION OF THE BURGERS HIERARCHY 167
Separation of variables and Backlund transformations for the symmetric Lagrange top 166
RECURSION OPERATOR AND BI-HAMILTONIAN STRUCTURE FOR INTEGRABLE MULTIDIMENSIONAL LATTICES 165
HYPERSPHERICAL-EXPANSION APPROACH TO NUCLEAR BOUND-STATES .5. LIMIT OF LARGE A FOR NONLOCAL POTENTIALS 165
A maximally superintegrable system on an n-dimensional space of nonconstant curvature RID F-2453-2010 164
QUASISOLITONS ON A DIATOMIC CHAIN AT ROOM-TEMPERATURE 164
Backlund transformations for the sl(2) Gaudin magnet 162
Backlund transformations for the rational Lagrange chain 162
CONSTRUCTION OF HIGHER LOCAL (2+1)-DIMENSIONAL EXPONENTIAL LATTICE EQUATIONS 160
Algebraic extensions of Gaudin models RID A-7283-2010 160
Properties of the series solution for Painleve I 160
THE PERIODIC RELATIVISTIC TODA LATTICE - DIRECT AND INVERSE PROBLEM 160
Quantum mechanics on spaces of nonconstant curvature: The oscillator problem and superintegrability RID B-5702-2011 157
Superintegrable Potentials on 3D Riemannian and Lorentzian Spaces with Nonconstant Curvature RID B-5702-2011 RID F-2453-2010 157
Quantum versus classical integrability in Ruijsenaars-Schneider systems 157
EXISTENCE OF A LAX PAIR FOR ANY MEMBER OF THE CLASS OF NON-LINEAR EVOLUTION-EQUATIONS ASSOCIATED TO THE MATRIX SCHRODINGER SPECTRAL PROBLEM 157
CONTINUOUS AND DISCRETE MATRIX BURGERS HIERARCHIES 156
EVOLUTION-EQUATIONS ASSOCIATED WITH THE DISCRETE ANALOG OF THE MATRIX SCHRODINGER SPECTRAL PROBLEM SOLVABLE BY THE INVERSE SPECTRAL TRANSFORM 156
Integrable discretizations of the spin Ruijsenaars-Schneider models 155
Bertrand spacetimes as Kepler/oscillator potentials RID B-5702-2011 RID F-2453-2010 155
Superintegrable Oscillator and Kepler Systems on Spaces of Nonconstant Curvature via the Stackel Transform RID B-5702-2011 155
EXACT SOLUTION OF CLASSICAL AND QUANTAL ONE-DIMENSIONAL MANY-BODY PROBLEMS WITH 2-BODY POTENTIAL VA(X)=G2A2-SINH2(AX) 153
What is the relativistic Volterra lattice? 152
Integrable maps for the Garnier and for the Neumann system 152
Superintegrable deformations of the KC and HO potentials on curved spaces 152
SOME RELEVANT CLASSES OF NONLINEAR EVOLUTION-EQUATIONS AS EXAMPLES OF A GENERAL REDUCTION TECHNIQUE FOR INFINITE DIMENSIONAL HAMILTONIAN-SYSTEMS 152
Classical Hamiltonian systems with sl(2) coalgebra symmetry and their integrable deformations 151
Dynamical r-matrix for the elliptic Ruijsenaars-Schneider system 151
NON-ISOSPECTRAL DEFORMATIONS AND DARBOUX TRANSFORMATIONS FOR THE 3RD-ORDER SPECTRAL PROBLEM 151
Integrable potentials on spaces with curvature from quantum groups RID F-2453-2010 150
Continuous and Discrete (Classical) Heisenberg Spin Chain Revised 149
MASTERSYMMETRIES, ANGLE VARIABLES, AND RECURSION OPERATOR OF THE RELATIVISTIC TODA LATTICE 149
A DISCRETE NEUMANN SYSTEM 147
Maximally superintegrable Gaudin magnet: A unified approach RID A-7283-2010 146
ON THE RELATION OF THE STATIONARY TODA EQUATION AND THE SYMPLECTIC MAPS 146
HYPERSPHERICAL-EXPANSION APPROACH TO NUCLEAR BOUND-STATES .4. LIMIT OF LARGE A FOR VELOCITY-DEPENDENT POTENTIALS 146
RECURSION OPERATOR AND BACKLUND-TRANSFORMATIONS FOR THE RUIJSENAARS-TODA LATTICE 145
Integrals of motion and trajectories for the Perlick system I: an algebraic approach 145
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 144
NONLINEAR DIFFERENTIAL-DIFFERENCE EQUATIONS WITH N-DEPENDENT COEFFICIENTS .1. 141
INTEGRABLE SYMPLECTIC MAPS 141
THE NONABELIAN TODA LATTICE-DISCRETE ANALOG OF THE MATRIX SCHRODINGER SPECTRAL PROBLEM 140
LAX REPRESENTATION AND COMPLETE-INTEGRABILITY FOR THE PERIODIC RELATIVISTIC TODA LATTICE 140
ON A NEW INTEGRABLE HAMILTONIAN SYSTEM WITH NEAREST-NEIGHBOR INTERACTION 139
On Fourier integral transforms for q-Fibonacci and q-Lucas polynomials 136
Totale 17.473
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Categoria #
all - tutte 76.418
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 76.418
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/20221.139 0 250 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
2025/20264.650 296 598 376 762 326 346 572 178 365 547 152 132
2026/2027116 85 31 0 0 0 0 0 0 0 0 0 0
Totale 21.049