Archivio istituzionale della ricerca dell'Università degli Studi di Palermo

VETRO, Calogero
 Distribuzione geografica
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Continente #
NA - Nord America 17.769
EU - Europa 6.847
AS - Asia 6.526
SA - Sud America 1.415
Continente sconosciuto - Info sul continente non disponibili 1.079
AF - Africa 270
OC - Oceania 12
Totale 33.918
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Nazione #
US - Stati Uniti d'America 17.389
SG - Singapore 2.301
RU - Federazione Russa 1.690
CN - Cina 1.612
IT - Italia 1.457
BR - Brasile 1.084
VN - Vietnam 737
DE - Germania 582
HK - Hong Kong 545
PL - Polonia 539
UA - Ucraina 474
IE - Irlanda 466
FI - Finlandia 400
FR - Francia 370
GB - Regno Unito 337
IN - India 223
JP - Giappone 201
CA - Canada 175
KR - Corea 148
BD - Bangladesh 140
AR - Argentina 109
SE - Svezia 108
TR - Turchia 101
RO - Romania 80
PK - Pakistan 77
NL - Olanda 76
AT - Austria 69
CO - Colombia 66
MX - Messico 61
EC - Ecuador 58
DZ - Algeria 56
IQ - Iraq 53
IR - Iran 53
CI - Costa d'Avorio 52
SA - Arabia Saudita 49
ID - Indonesia 44
MA - Marocco 42
TH - Thailandia 38
JM - Giamaica 36
UZ - Uzbekistan 35
VE - Venezuela 35
MY - Malesia 34
ZA - Sudafrica 31
CR - Costa Rica 29
BG - Bulgaria 23
ES - Italia 23
GR - Grecia 22
BE - Belgio 21
PH - Filippine 21
CL - Cile 20
CH - Svizzera 19
TN - Tunisia 19
RS - Serbia 18
PT - Portogallo 16
HN - Honduras 15
KE - Kenya 15
KZ - Kazakistan 15
PY - Paraguay 14
PE - Perù 12
TW - Taiwan 12
AZ - Azerbaigian 11
BF - Burkina Faso 11
ET - Etiopia 11
JO - Giordania 11
AU - Australia 10
CZ - Repubblica Ceca 10
EU - Europa 10
IL - Israele 10
LB - Libano 10
NI - Nicaragua 10
UY - Uruguay 9
AL - Albania 8
BO - Bolivia 8
EE - Estonia 8
PA - Panama 8
SV - El Salvador 8
BB - Barbados 7
NP - Nepal 7
TT - Trinidad e Tobago 7
A2 - ???statistics.table.value.countryCode.A2??? 6
BH - Bahrain 6
SN - Senegal 6
GT - Guatemala 5
HT - Haiti 5
LT - Lituania 5
AE - Emirati Arabi Uniti 4
BY - Bielorussia 4
EG - Egitto 4
HR - Croazia 4
HU - Ungheria 4
NG - Nigeria 4
PR - Porto Rico 4
PS - Palestinian Territory 4
XK - ???statistics.table.value.countryCode.XK??? 4
AM - Armenia 3
BA - Bosnia-Erzegovina 3
DK - Danimarca 3
GA - Gabon 3
GE - Georgia 3
KG - Kirghizistan 3
Totale 32.808
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Città #
Fairfield 2.204
Ashburn 1.865
San Jose 1.518
Singapore 1.512
Woodbridge 1.130
Seattle 925
Wilmington 881
Houston 844
Cambridge 759
Chandler 678
Hong Kong 523
Zgierz 499
Dublin 461
Palermo 390
Ann Arbor 378
Medford 347
Ho Chi Minh City 259
Altamura 255
Jacksonville 255
Council Bluffs 237
Moscow 230
Lauterbourg 228
Princeton 226
Santa Clara 214
Nanjing 202
Lawrence 200
Tokyo 187
Des Moines 165
Hanoi 164
Dallas 163
San Diego 159
Beijing 156
Chicago 148
Dearborn 121
Frankfurt am Main 119
Los Angeles 113
Munich 100
Helsinki 95
Boardman 91
The Dalles 90
New York 85
London 75
São Paulo 74
Buffalo 72
Tulsa 69
Hefei 65
Ludwigshafen am Rhein 63
Hebei 60
Changsha 58
Abidjan 52
Milan 52
San Paolo di Civitate 52
Nanchang 51
Shenyang 49
Tianjin 48
Nuremberg 46
Jiaxing 45
Toronto 45
Shanghai 42
Da Nang 41
Columbus 37
Redwood City 37
Jinan 33
Orem 32
Zhengzhou 32
Guangzhou 31
Pune 31
Phoenix 29
Amsterdam 28
North Bergen 28
Rio de Janeiro 28
Salt Lake City 28
Haiphong 27
Islamabad 27
Vienna 27
Saint Petersburg 26
Springfield 26
Paris 25
Philadelphia 25
Tashkent 25
Brooklyn 24
Chennai 23
Dhaka 22
Hangzhou 22
Istanbul 22
Rome 22
Seongnam 22
Fort Worth 21
Ningbo 21
Belo Horizonte 20
Brasília 20
Kingston 20
Montreal 20
Atlanta 19
Denver 19
Guayaquil 19
Curitiba 18
Los Lunas 18
Quito 18
Riyadh 18
Totale 21.225
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Nome #
Fixed point, attractors and weak fuzzy contractive mappings in a fuzzy metric space 298
A Binary Particle Swarm Optimization Algorithm for a Double Auction Market 249
Cyclic (Noncyclic) ϕ-condensing operator and its application to a system of differential equations 241
On Ekeland's variational principle in partial metric spaces 239
Absolute continuity for Banach space valued mappings 236
On a fractional in time nonlinear Schrödinger equation with dispersion parameter and absorption coefficient 234
Some coincidence and periodic points results in a metric space endowed with a graph and applications 222
On a robin (p, q)-equation with a logistic reaction 221
Fixed point theorems for $\alpha$-$\psi$-contractive type mappings 218
Best proximity points for cyclic Meir–Keeler contractions 215
JH-Operators and occasionally weakly g-biased pairs in fuzzy symmetric spaces 212
A note on homoclinic solutions of (p,q)-Laplacian difference equations 207
A remark on differentiable functions with partial derivatives in Lp 202
Positive solutions for singular (p, 2)-equations 199
On modified α-ϕ-fuzzy contractive mappings and an application to integral equations 199
Solvability of integrodifferential problems via fixed point theory in b-metric spaces 197
Coupled fixed point, F-invariant set and fixed point of N-order 196
Parametric nonlinear singular Dirichlet problems 194
Existence of positive solutions for nonlinear dirichlet problems with gradient dependence and arbitrary growth 194
Applying fuzzy Particle Swarm Optimization to Multi-unit Double Auctions 192
Best approximation and variational inequality problems involving a simulation function 192
(p, 2)-Equations with a Crossing Nonlinearity and Concave Terms 192
A Prototype of Wireless Sensor for Data Acquisition in Energy Management Systems 192
(phi,psi)-weak contractions in intuitionistic fuzzy metric spaces 190
A homotopy fixed point theorem in 0-complete partial metric space 188
A note on some fundamental results in complete gauge spaces and application 187
Caristi Type Selections of Multivalued Mappings 187
Common fixed points for discontinuous mappings in fuzzy metric spaces 185
Some fixed point theorems for generalized contractive mappings in complete metric spaces 185
A local notion of absolute continuity in IR^n 185
A note on best approximation in 0-complete partial metric spaces 185
On Branciari's theorem for weakly compatible mappings 183
Solutions and positive solutions for superlinear Robin problems 182
Common Fixed points for multivalued generalized contractions on partial metric spaces 181
A Parametric Dirichlet Problem for Systems of Quasilinear Elliptic Equations With Gradient Dependence 180
Fixed points for weak alpha-psi-contractions in partial metric spaces 177
Admissible perturbations of alpha-psi-pseudocontractive operators: convergence theorems 176
A coincidence-point problem of Perov type on rectangular cone metric spaces 176
Berinde mappings in orbitally complete metric spaces 175
Special Issue on Ciric type fixed point theorems 174
Extremal solutions and strong relaxation for nonlinear multivalued systems with maximal monotone terms 174
Parametric and nonparametric A-Laplace problems: Existence of solutions and asymptotic analysis 174
Metric or partial metric spaces endowed with a finite number of graphs: a tool to obtain fixed point results 172
Fixed points of α-type F-contractive mappings with an application to nonlinear fractional differential equation 172
An approximate fixed point result for multivalued mappings under two constraint inequalities 172
Advances in Nonlinear Analysis via the Concept of Measure of Noncompactness 172
Common fixed point theorems for weakly compatible maps satisfying a general contractive condition 171
Superlinear (p(z), q(z))-equations 170
The existence of best proximity points in metric spaces with the property UC 170
Fixed point and homotopy results for mixed multi-valued mappings in 0-complete partial metric spaces* 169
Partial Hausdorff metric and Nadler’s fixed point theorem on partial metric spaces 168
A New Approach to the Generalization of Darbo’s Fixed Point Problem by Using Simulation Functions with Application to Integral Equations 167
A fixed point theorem in G-metric spaces via alpha-series 166
Hybrid coincidence and common fixed point theorems in Menger probabilistic metric spaces under a strict contractive condition with an application 166
Graphical metric space: a generalized setting in fixed point theory 166
Fixed point results for weak contractive mappings in ordered K-metric spaces 164
Fixed points in weak non-Archimedean fuzzy metric spaces 164
Fixed point theorems on ordered metric spaces and applications to nonlinear elastic beam equations 164
Iterative Reconstruction of Signals on Graph 164
A Common fixed point theorem for two weakly compatible pairs in G-metric spaces using the property E.A 164
Optimization Problems via Best Proximity Point Analysis 163
Fixed points for multivalued mappings in b-metric spaces 163
Unified metrical common fixed point theorems in 2-metric spaces via an implicit relation 162
Fuzzy fixed points of generalized F2-geraghty type fuzzy mappings and complementary results 161
Meir-Keeler type contractions for tripled fixed points 159
Common fixed points for locally lipschitz mappings 158
From metric spaces to partial metric spaces 158
Best Proximity Point Results in Non-Archimedean Fuzzy Metric Spaces 158
Systems of quasilinear elliptic equations with dependence on the gradient via subsolution-supersolution method 157
The effects of convolution and gradient dependence on a parametric Dirichlet problem 157
Some new fixed point theorems in Menger PM-spaces with application to Volterra type integral equation 156
A fixed point theorem for G-monotone multivalued mapping with application to nonlinear integral equations 156
Fixed point results for alpha-implicit contractions with application to integral equations 154
Best proximity point theorems for proximal cyclic contractions 154
Weak solutions to Dirichlet boundary value problem driven by p(x)-Laplacian-like operator 154
Coupled fixed point theorems for multi-valued nonlinear contraction mappings in partially ordered metric spaces 153
On Problems Driven by the (p(·) , q(·)) -Laplace Operator 153
From fuzzy metric spaces to modular metric spaces: a fixed point approach 153
A fixed point theorem for a Meir-Keeler type contraction through rational expression 152
Impact of common property (E.A.) on fixed point theorems in fuzzy metric spaces 152
Common fixed point theorems for families of occasionally weakly compatible mappings 151
Monotone generalized nonlinear contractions and fixed point theorems in ordered metric spaces 151
Pairs of solutions for Robin problems with an indefinite and unbounded potential, resonant at zero and infinity 151
Nonexistence of global weak solutions for a nonlinear Schrodinger equation in an exterior domain 151
From Caristi’s Theorem to Ekeland’s Variational Principle in 0_{\sigma}-Complete Metric-Like Spaces 150
Fixed point results under generalized c-distance with application to nonlinear fourth-order differential equation 150
Three existence theorems for weak contractions of Matkowski type 149
A Coupled Fixed Point Theorem in Fuzzy Metric Space Satisfying $\phi$-Contractive Condition 149
A best proximity point approach to existence of solutions for a system of ordinary differential equations 149
Common fixed point theorems for mappings satisfying common property (E.A.) in symmetric spaces 148
Fixed point theorems for multivalued maps via new auxiliary function 148
Cyclic admissible contraction and applications to functional equations in dynamic programming 148
(p,2)-equations resonant at any variational eigenvalue 148
Set-valued mappings in partially ordered fuzzy metric spaces 148
An integral version of Ciric's fixed point theorem 147
On a theorem of Khan in a generalized metric space 146
Set-valued Hardy-Rogers type contraction in 0-complete partial metric spaces 146
The class of F-contraction mappings with a measure of noncompactness 146
Sulla K-variazione essenziale di una funzione reale 145
Some integral type fixed point theorems in Non-Archimedean Menger PM-Spaces with common property (E.A) and application of functional equations in dynamic programming 144
Totale 17.504
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Categoria #
all - tutte 131.800
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 131.800
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/20221.932 0 0 88 103 72 148 87 195 276 367 130 466
2022/20232.691 380 646 80 154 287 364 122 199 238 18 118 85
2023/20241.332 65 156 59 310 137 200 147 97 17 50 41 53
2024/20253.328 170 155 248 393 111 58 249 211 324 372 406 631
2025/202610.322 495 384 709 953 792 1.269 1.459 1.281 1.105 1.073 406 396
2026/20272.550 704 427 1.419 0 0 0 0 0 0 0 0 0
Totale 33.918