IRIS
BELARDO, Francesco
 Distribuzione geografica
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Continente #
NA - Nord America 912
EU - Europa 439
AS - Asia 356
AF - Africa 57
SA - Sud America 5
OC - Oceania 1
Totale 1.770
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Nazione #
US - Stati Uniti d'America 885
IT - Italia 318
SG - Singapore 169
CN - Cina 122
CI - Costa d'Avorio 55
VN - Vietnam 46
IE - Irlanda 37
CA - Canada 26
FI - Finlandia 24
DE - Germania 17
GB - Regno Unito 11
UA - Ucraina 6
RO - Romania 5
AR - Argentina 4
FR - Francia 4
ID - Indonesia 4
IN - India 4
NL - Olanda 3
BE - Belgio 2
IR - Iran 2
JP - Giappone 2
KW - Kuwait 2
SE - Svezia 2
TH - Thailandia 2
TR - Turchia 2
AT - Austria 1
AU - Australia 1
BG - Bulgaria 1
BR - Brasile 1
BS - Bahamas 1
BY - Bielorussia 1
CZ - Repubblica Ceca 1
ES - Italia 1
ET - Etiopia 1
HU - Ungheria 1
LT - Lituania 1
MA - Marocco 1
PK - Pakistan 1
PL - Polonia 1
RU - Federazione Russa 1
SI - Slovenia 1
Totale 1.770
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Città #
Chandler 201
Singapore 144
Santa Clara 93
Naples 58
Ashburn 55
Dong Ket 46
Millbury 46
Des Moines 32
Nanjing 29
Princeton 29
Napoli 26
Boston 25
Lawrence 23
Ottawa 23
Wilmington 23
Rome 19
Beijing 13
Nanchang 13
Shanghai 9
Jacksonville 8
Redwood City 8
Hebei 7
Woodbridge 7
Council Bluffs 6
Jiaxing 6
Shenyang 6
Tianjin 6
Fairfield 5
Wuhan 5
Barletta 4
Guangzhou 4
Indiana 4
Munro 4
New York 4
North Bergen 4
Aversa 3
Casal Di Principe 3
Changsha 3
Dublin 3
Florence 3
Frankfurt am Main 3
Houston 3
Lappeenranta 3
Lerici 3
Los Angeles 3
Milan 3
Norwalk 3
Phoenix 3
Pisticci 3
Prineville 3
Santa Maria A Vico 3
Afragola 2
Bangkok 2
Brussels 2
Caserta 2
Casoria 2
Cava Dei Tirreni 2
Duncan 2
Edinburgh 2
Fort Worth 2
Hangzhou 2
Kagoya 2
Kuwait City 2
Messina 2
Moiano 2
Mountain View 2
Nuremberg 2
Pisa 2
Qualiano 2
Seattle 2
Seregno 2
Sorrento 2
Springfield 2
Vertova 2
Acerra 1
Amsterdam 1
Arzano 1
Battipaglia 1
Boardman 1
Boscoreale 1
Burnaby 1
Calvizzano 1
Cambridge 1
Changchun 1
Cittanova 1
Civitavecchia 1
Cosenza 1
Dallas 1
Ercolano 1
Evanston 1
Fairport 1
Gazi 1
Gorle 1
Görwihl 1
Hefei 1
Helsinki 1
Hyderabad 1
Kolkata 1
Lecco 1
Lissone 1
Totale 1.115
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Nome #
Total graph of a signed graph 64
Balancedness and the least Laplacian eigenvalue of some Complex Unit Gain Graphs 61
Connected signed graphs L-cospectral to signed ∞-graphs 58
The anti-adjacency matrix of a graph: Eccentricity matrix 58
Graphs Whose Aα-Spectral Radius Does Not Exceed 2 55
Edge perturbation on signed graphs with clusters: Adjacency and Laplacian eigenvalues 54
Signed Graphs with extremal least Laplacian eigenvalue 52
Line and subdivision graphs determined by T4-gain graphs 52
Spectral characterizations of signed lollipop graphs 49
On the multiplicity of α as an A_α (Γ)-eigenvalue of signed graphs with pendant vertices 44
A lower bound for the first Zagreb index and its application 42
Wreath product of a complete graph with a cyclic graph: topological indices and spectrum 42
Almost every complement of a tadpole graph is not chromatically unique 39
On the Laplacian coefficients of signed graphs 38
Laplacian spectral characterization of disjoint union of paths and cycles 38
On signed graphs whose second largest Laplacian eigenvalue does not exceed 3 37
A note on the signless laplacian eigenvalues of graphs 36
Computing the permanental polynomial of a matrix from a combinatorial viewpoint 36
Spectra of quaternion unit gain graphs 36
Balancedness and the least eigenvalue of Laplacian of signed graphs 35
Unbalanced Unicyclic and Bicyclic Graphs with Extremal Spectral Radius 34
Signed line graphs with least eigenvalue -2: The star complement technique 33
On graphs whose least eigenvalue is greater than –2 32
On the spectral characterizations of 3-rose graphs 32
Spectral characterizations of graphs with small spectral radius 32
Godsil-McKay switching for mixed and gain graphs over the circle group 32
Preface 31
Graphs whose signless Laplacian spectral radius does not exceed the Hoffman limit value 31
Open problems in the spectral theory of signed graphs 31
On the largest eigenvalue of some bidegreed graphs 29
Spectral properties of the eccentricity matrix of graphs 29
Signed bicyclic graphs minimizing the least Laplacian eigenvalue 28
Introduction to the Proceedings of WGTTG2021 27
On eigenspaces of some compound complex unit gain graphs 26
NEPS of complex unit gain graphs 26
On the largest eigenvalue of signed unicyclic graphs 26
Spectral characterizations of signed cycles 26
The minimal augmented Zagreb index of k-apex trees for k∈{1,2,3} 25
Spectral analysis of the wreath product of a complete graph with a cocktail party graph 24
Line graphs of complex unit gain graphs with least eigenvalue -2 24
On graphs with exactly three Q-eigenvalues at least two 23
Locating eigenvalues of unbalanced unicyclic signed graphs 23
On Quipus whose signless Laplacian index does not exceed 4.5 23
On the structure of bidegreed graphs with minimal spectral radius 22
On graphs whose Laplacian index does not exceed 4.5 22
Preface: The congress “HyGraDe 2017” and a biographical note on Mario Gionfriddo 22
Spectral characterizations of graphs with at most two (signless) Laplacian eigenvalues greater than 2 22
Signless Laplacian eigenvalues and circumference of graphs 21
The International Congress on Hypergraphs, Graphs and Designs – HyGraDe 2017 20
The general spectral radii of (multicone-)graphs with prescribed degree sequence 20
Signless Laplacian spectral characterization of line graphs of T-shape trees 19
On the divisibility of H-shape trees and their spectral determination 18
Constructing cospectral signed graphs 18
The k-apex trees with minimum augmented Zagreb index 17
Perturbations on bidegreed graphs minimizing the spectral radius 16
On eigenspaces of some compound signed graphs 16
Limit points of (signless) Laplacian spectral radii of linear trees 14
Spectral ordering of trees with small index 14
Unified extremal results of topological indices and spectral invariants of graphs 14
Limit points for the spectral radii of signed graphs 11
Infinite families of trees with equal spectral radius 10
Signed graphs with strong (anti-)reciprocal eigenvalue property 8
A switching method for constructing cospectral gain graphs 7
Construction of cospectral graphs, signed graphs and T-gain graphs via partial transpose 6
Totale 1.910
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Categoria #
all - tutte 8.460
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 8.460
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2019/202094 0 0 0 0 5 0 23 0 6 6 39 15
2020/2021137 12 2 8 15 13 7 3 3 16 4 6 48
2021/2022242 3 0 20 6 3 11 11 17 42 4 8 117
2022/2023399 57 42 6 36 60 53 3 40 66 3 29 4
2023/2024396 35 43 28 32 14 30 29 76 13 12 54 30
2024/2025318 83 113 27 17 78 0 0 0 0 0 0 0
Totale 1.910