IRIS
SORBI, ANDREA
 Distribuzione geografica
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Continente #
NA - Nord America 16.286
EU - Europa 7.245
AS - Asia 3.801
SA - Sud America 725
Continente sconosciuto - Info sul continente non disponibili 530
AF - Africa 185
OC - Oceania 20
AN - Antartide 1
Totale 28.793
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Nazione #
US - Stati Uniti d'America 16.128
GB - Regno Unito 1.902
CN - Cina 1.336
RU - Federazione Russa 1.184
IT - Italia 1.149
SG - Singapore 1.145
IE - Irlanda 950
BR - Brasile 600
SE - Svezia 481
UA - Ucraina 448
FR - Francia 444
HK - Hong Kong 322
VN - Vietnam 289
DE - Germania 238
KR - Corea 165
ES - Italia 142
FI - Finlandia 134
ZA - Sudafrica 120
IN - India 92
TR - Turchia 92
CA - Canada 70
GE - Georgia 68
BD - Bangladesh 55
NL - Olanda 44
MX - Messico 35
IQ - Iraq 34
AR - Argentina 32
ID - Indonesia 29
JP - Giappone 26
NG - Nigeria 24
VE - Venezuela 21
PL - Polonia 20
CO - Colombia 18
IL - Israele 18
BE - Belgio 16
KZ - Kazakistan 16
RO - Romania 16
PK - Pakistan 15
EC - Ecuador 14
CL - Cile 13
UZ - Uzbekistan 13
AU - Australia 11
CH - Svizzera 10
SA - Arabia Saudita 10
AT - Austria 9
NZ - Nuova Zelanda 9
PE - Perù 9
GR - Grecia 8
HN - Honduras 8
IR - Iran 8
PH - Filippine 8
PY - Paraguay 8
OM - Oman 7
EG - Egitto 6
JM - Giamaica 6
JO - Giordania 6
MA - Marocco 6
MY - Malesia 6
TT - Trinidad e Tobago 6
AE - Emirati Arabi Uniti 5
BH - Bahrain 5
CI - Costa d'Avorio 5
CZ - Repubblica Ceca 5
DZ - Algeria 5
EE - Estonia 5
KE - Kenya 5
LB - Libano 5
NP - Nepal 5
SV - El Salvador 5
TN - Tunisia 5
A2 - ???statistics.table.value.countryCode.A2??? 4
BG - Bulgaria 4
BO - Bolivia 4
BY - Bielorussia 4
CR - Costa Rica 4
DK - Danimarca 4
DO - Repubblica Dominicana 4
LT - Lituania 4
NI - Nicaragua 4
RS - Serbia 4
UY - Uruguay 4
AL - Albania 3
AZ - Azerbaigian 3
BB - Barbados 3
GT - Guatemala 3
HU - Ungheria 3
PA - Panama 3
PT - Portogallo 3
QA - Qatar 3
SC - Seychelles 3
AO - Angola 2
BN - Brunei Darussalam 2
BS - Bahamas 2
ET - Etiopia 2
HR - Croazia 2
IM - Isola di Man 2
KG - Kirghizistan 2
LK - Sri Lanka 2
MD - Moldavia 2
SI - Slovenia 2
Totale 28.245
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Città #
Dallas 7.811
Southend 1.709
Fairfield 1.083
Dublin 948
Ashburn 846
Singapore 616
Woodbridge 491
Chandler 452
Santa Clara 380
Houston 378
Seattle 378
Jacksonville 367
Wilmington 356
Cambridge 339
Moscow 312
Hong Kong 306
Milan 301
Beijing 286
Ann Arbor 265
Council Bluffs 239
Hefei 234
San Jose 225
Seoul 165
Princeton 136
Siena 136
Rome 125
Los Angeles 118
The Dalles 118
Johannesburg 114
Nanjing 112
Dearborn 111
Málaga 98
Lauterbourg 94
Menlo Park 92
Ho Chi Minh City 90
Helsinki 81
Hanoi 71
San Mateo 70
Boardman 55
New York 55
San Diego 55
Shanghai 47
Buffalo 43
Tbilisi 43
Nanchang 34
São Paulo 34
Istanbul 33
Izmir 32
Columbus 31
Florence 31
Phoenix 31
Shenyang 29
London 28
Munich 28
Turin 26
Abuja 24
Amsterdam 24
Bengaluru 23
Toronto 23
Orem 22
Belo Horizonte 21
Jinan 21
San Francisco 21
Hebei 20
Tianjin 20
Changsha 19
Tokyo 19
Barcelona 18
Kunming 18
Mexico City 18
Baghdad 17
Chicago 17
Dong Ket 17
Brooklyn 16
Brussels 16
Guangzhou 16
Redondo Beach 16
Zhengzhou 16
Brasília 15
Mumbai 15
Philadelphia 15
Redwood City 15
Haiphong 14
Hangzhou 14
Jiaxing 14
Montreal 14
Rio de Janeiro 14
Denver 13
Prineville 13
Bari 12
Chennai 12
Figino 12
Fremont 12
Norwalk 12
Porto Alegre 12
Santiago 12
Tashkent 12
Timisoara 12
Warsaw 12
Altoona 11
Totale 21.417
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Nome #
∑0n-equivalence relations 7.467
Trial and error mathematics I: dialectical and quasi-dialectical systems 468
Trial and error mathematics II: dialectical sets and quasi-dialectical sets, their degrees, and their distribution within the class of limit sets 431
Ricordo di Franco Montagna 346
A note on uniform density in weak arithmetical theories 330
Taking the Pirahã seriously 315
Le direzioni della ricerca logica in Italia: la teoria (classica) della computabilità 308
Trial and error mathematics: dialectical systems and completions of theories 303
A survey on universal computably enumerable equivalence relations 300
On learning to coordinate random bits help, insightful normal forms, and competency isomorphisms 298
A note on algebras of languages 294
Calibrating word problems of groups via the complexity of equivalence relations 292
Bounded enumeration reducibility and its degree structure 290
Effective inseparability, lattices, and preordering relations 289
Joins and meets in the structure of ceers 288
Jumps of computably enumerable equivalence relations 285
Comparing the degrees of enumerability and the closed Medvedev degrees 275
On learning to coordinate: random bits help, insightful normal forms, and competency isomorphisms 265
Pomology observations, morphometric analysis, ultrastructural study and allelic profiles of "olivastra Seggianese" endocarps from ancient olive trees (Olea europaea L.) 262
Universal computably enumerable equivalence relations 260
Weakly precomplete computably enumerable equivalence relations 259
A characterization of the Δ20 hyperhyperimmune sets 256
Classifying word problems of finitely generated algebras via computable reducibility 255
High minimal pairs in the enumeration degrees 254
Positive undecidable numberings in the Ershov hierarchy 248
A Note on Relative Efficiency of Axiom Systems 246
Morfometria geometrica non invasiva su semi archeologici di vite per risalire all'origine di antiche varietà antropiche 245
Some remarks on completion of numberings 243
A note on initial segments of the enumeration degrees 242
S. Barry Cooper (1943-2015) 241
The complexity of index sets of classes of computably enumerable equivalence relations 240
Classifying equivalence relations in the Ershov hierarchy 239
Logic and probabilistic systems 238
Bounding nonsplitting enumeration degrees 235
Bounding and nonbounding minimal pairs in the enumeration degrees 234
Isomorphism types of Rogers semilattices for families from different levels of the arithmetical hierarchy 227
Algebraic properties of Rogers semilattices of arithmetical numberings 225
A note on the enumeration degrees of 1-generic sets 223
Branching in the Σ02 -enumeration degrees: a new perspective 218
Friedberg numberings in the Ershov hierarchy 215
Undecidability of local structures of s-degrees and Q-degrees 214
The theory of ceers computes true arithmetic 213
Topological aspects of the Medvedev lattice 211
Singleton enumeration reducibility and arithmetic 209
Strong enumeration reducibilities 208
Strong positive reducibilities 207
The first order theories of the Medvedev and Muchnik lattices 205
Elementary theories for Rogers semilattices 203
Branching in the enumeration degrees of the Σ02sets 202
Immunity properties and strong positive reducibilities 197
A note on closed degrees of difficulty of the Medvedev lattice 196
Diamond embeddings into the enumeration degrees 191
There exists a maximal 3-c.e. enumeration degree 191
Immunity properties of the s-degrees 189
Incomparability in local structures of $s$-degrees and $Q$-degrees 189
Elementary properties of Rogers semilattices of arithmetical numberings 184
Rogers semilattices of families of two embedded sets in the Ershov hierarchy 184
Generalizations of the Weak Law of the Excluded Middle 181
The category of equivalence relations 180
Completeness and universality of arithmetical numberings 179
Comparing Pi^0_2 of the Baire space by means of general recursive operators 177
Lattices of local two-dimensional languages 172
Classifying positive equivalence relations 170
Self-full ceers and the uniform join operator 169
On some filters and ideals of the Medvedev lattice 167
Minimal degrees and downwards density in some strong positive reducibilities and quasi-reducibilities 166
Initial segments of the degrees of ceers 166
Initial segments of the Σ0 2 enumeration degrees 163
Noncappable enumeration degrees below 0e′ 163
Reducibility in some categories of partial recursive operators 160
Intermediate logics and factors of the Medvedev lattice 159
Creativeness and completeness in recursion categories of partial recursive operators 157
Word problems and ceers 157
Primitive recursive equivalence relations and their primitive recursive complexity 156
Intuitionistic logic and Muchnik degrees 155
Empty intervals in the enumeration degrees 153
Some remarks on the algebraic structure of the Medvedev Lattice 153
Cupping and noncupping in the enumeration degrees of Σ02 sets 147
Some Quotient Lattices of the Medvedev Lattice 146
Isomorphism types and theories of Rogers semilattices of arithmetical numberings 146
Embeddings into the enumeration degrees 145
Sets of generators and automorphism bases for the enumeration degrees 145
Universal recursion theoretic properties of r.e. preordered structures 144
The Medvedev lattice of degrees of difficulty 143
Generalized computable numerations and nontrivial rogers semilattices 140
Quasi-minimal enumeration degrees and minimal Turing degrees 139
Density results in the Delta-0-2 e-degrees 138
Conjunctive degrees and cylinders 136
Structural properties and Sigma^0_2 enumeration degrees 135
Every nonzero enumeration degree contains infinitely many singleton degrees 133
On extensions of embeddings into the enumeration degrees of the Σ02-sets 133
Embedding finite lattices into the \Sigma-0-2 enumeration degrees 132
Open problems in the enumeration degrees 125
On elementary theories and isomorphism types of Rogers semilattices 123
In memoriam: Barry Cooper 1943-2015 121
The distribution of properly Sigma(0)(2) e-degrees 119
Properly Σ02 enumeration degrees and the high/low hierarchy 116
Some remarks on tiling recognizable languages 115
Embedding Brouwer algebras in the Medvedev lattice 115
The enumeration degrees of the Sigma_2^0 sets 105
Totale 27.886
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Categoria #
all - tutte 75.134
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 75.134
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/20221.032 0 0 0 90 50 55 131 63 62 176 159 246
2022/20231.859 123 173 225 252 148 346 67 125 175 111 78 36
2023/20241.439 50 31 136 122 47 341 483 20 2 74 16 117
2024/20252.642 81 158 270 130 279 118 72 147 226 136 259 766
2025/202612.667 422 2.581 5.840 848 981 233 557 213 115 243 123 511
2026/20271.284 315 197 481 291 0 0 0 0 0 0 0 0
Totale 28.793