IRIS
SORBI, ANDREA
 Distribuzione geografica
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Continente #
NA - Nord America 15.630
EU - Europa 7.152
AS - Asia 3.770
SA - Sud America 701
Continente sconosciuto - Info sul continente non disponibili 527
AF - Africa 184
OC - Oceania 20
AN - Antartide 1
Totale 27.985
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Nazione #
US - Stati Uniti d'America 15.516
GB - Regno Unito 1.886
CN - Cina 1.333
RU - Federazione Russa 1.179
SG - Singapore 1.141
IT - Italia 1.108
IE - Irlanda 949
BR - Brasile 591
SE - Svezia 460
UA - Ucraina 448
FR - Francia 442
HK - Hong Kong 320
VN - Vietnam 289
DE - Germania 236
KR - Corea 165
ES - Italia 140
FI - Finlandia 134
ZA - Sudafrica 120
IN - India 92
TR - Turchia 91
GE - Georgia 68
BD - Bangladesh 54
CA - Canada 54
NL - Olanda 44
IQ - Iraq 34
MX - Messico 34
AR - Argentina 30
ID - Indonesia 25
JP - Giappone 25
NG - Nigeria 24
PL - Polonia 20
VE - Venezuela 19
BE - Belgio 16
KZ - Kazakistan 16
RO - Romania 16
PK - Pakistan 14
CL - Cile 12
EC - Ecuador 12
UZ - Uzbekistan 12
AU - Australia 11
CO - Colombia 11
IL - Israele 11
CH - Svizzera 10
AT - Austria 9
NZ - Nuova Zelanda 9
PE - Perù 9
GR - Grecia 8
IR - Iran 8
PY - Paraguay 8
SA - Arabia Saudita 8
OM - Oman 7
PH - Filippine 7
EG - Egitto 6
JO - Giordania 6
MA - Marocco 6
AE - Emirati Arabi Uniti 5
BH - Bahrain 5
CI - Costa d'Avorio 5
CZ - Repubblica Ceca 5
DZ - Algeria 5
KE - Kenya 5
LB - Libano 5
TN - Tunisia 5
A2 - ???statistics.table.value.countryCode.A2??? 4
BG - Bulgaria 4
BO - Bolivia 4
BY - Bielorussia 4
DK - Danimarca 4
DO - Repubblica Dominicana 4
HN - Honduras 4
JM - Giamaica 4
MY - Malesia 4
NP - Nepal 4
RS - Serbia 4
UY - Uruguay 4
AL - Albania 3
AZ - Azerbaigian 3
CR - Costa Rica 3
EE - Estonia 3
HU - Ungheria 3
LT - Lituania 3
PA - Panama 3
PT - Portogallo 3
QA - Qatar 3
AO - Angola 2
BB - Barbados 2
BN - Brunei Darussalam 2
ET - Etiopia 2
GT - Guatemala 2
HR - Croazia 2
IM - Isola di Man 2
KG - Kirghizistan 2
LK - Sri Lanka 2
MD - Moldavia 2
SC - Seychelles 2
SI - Slovenia 2
SN - Senegal 2
TH - Thailandia 2
AM - Armenia 1
BA - Bosnia-Erzegovina 1
Totale 27.448
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Città #
Dallas 7.808
Southend 1.709
Fairfield 1.082
Dublin 948
Ashburn 694
Singapore 616
Woodbridge 491
Chandler 452
Houston 377
Seattle 376
Jacksonville 366
Santa Clara 363
Wilmington 356
Cambridge 339
Moscow 312
Hong Kong 304
Milan 298
Beijing 286
Ann Arbor 265
Council Bluffs 239
Hefei 234
Seoul 165
Princeton 136
Siena 136
San Jose 122
Rome 121
The Dalles 117
Johannesburg 114
Nanjing 112
Dearborn 111
Los Angeles 108
Málaga 98
Lauterbourg 94
Menlo Park 92
Ho Chi Minh City 90
Helsinki 81
Hanoi 71
San Mateo 70
San Diego 55
Boardman 52
Shanghai 47
New York 43
Tbilisi 43
Buffalo 42
Nanchang 34
Istanbul 32
Izmir 32
São Paulo 32
Columbus 29
Shenyang 29
Florence 28
London 28
Munich 28
Turin 26
Abuja 24
Amsterdam 24
Bengaluru 23
Belo Horizonte 21
Jinan 21
Orem 21
Hebei 20
San Francisco 20
Tianjin 20
Toronto 20
Changsha 19
Kunming 18
Mexico City 18
Phoenix 18
Tokyo 18
Baghdad 17
Barcelona 17
Dong Ket 17
Brussels 16
Guangzhou 16
Redondo Beach 16
Zhengzhou 16
Brooklyn 15
Chicago 15
Mumbai 15
Redwood City 15
Brasília 14
Haiphong 14
Hangzhou 14
Jiaxing 14
Rio de Janeiro 14
Prineville 13
Chennai 12
Denver 12
Figino 12
Fremont 12
Norwalk 12
Porto Alegre 12
Timisoara 12
Warsaw 12
Altoona 11
Boston 11
Ningbo 11
Philadelphia 11
Poplar 11
Salvador 11
Totale 21.058
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Nome #
∑0n-equivalence relations 7.457
Trial and error mathematics I: dialectical and quasi-dialectical systems 460
Trial and error mathematics II: dialectical sets and quasi-dialectical sets, their degrees, and their distribution within the class of limit sets 392
Ricordo di Franco Montagna 325
A note on uniform density in weak arithmetical theories 317
Taking the Pirahã seriously 307
Trial and error mathematics: dialectical systems and completions of theories 297
A survey on universal computably enumerable equivalence relations 292
On learning to coordinate random bits help, insightful normal forms, and competency isomorphisms 289
Le direzioni della ricerca logica in Italia: la teoria (classica) della computabilità 288
Calibrating word problems of groups via the complexity of equivalence relations 287
A note on algebras of languages 287
Effective inseparability, lattices, and preordering relations 283
Jumps of computably enumerable equivalence relations 280
Joins and meets in the structure of ceers 279
Bounded enumeration reducibility and its degree structure 278
Comparing the degrees of enumerability and the closed Medvedev degrees 269
On learning to coordinate: random bits help, insightful normal forms, and competency isomorphisms 257
Pomology observations, morphometric analysis, ultrastructural study and allelic profiles of "olivastra Seggianese" endocarps from ancient olive trees (Olea europaea L.) 256
Classifying word problems of finitely generated algebras via computable reducibility 249
Universal computably enumerable equivalence relations 248
A characterization of the Δ20 hyperhyperimmune sets 248
Positive undecidable numberings in the Ershov hierarchy 242
Weakly precomplete computably enumerable equivalence relations 242
High minimal pairs in the enumeration degrees 241
A Note on Relative Efficiency of Axiom Systems 239
Some remarks on completion of numberings 238
S. Barry Cooper (1943-2015) 238
A note on initial segments of the enumeration degrees 235
Logic and probabilistic systems 233
Classifying equivalence relations in the Ershov hierarchy 232
Bounding nonsplitting enumeration degrees 229
Bounding and nonbounding minimal pairs in the enumeration degrees 229
The complexity of index sets of classes of computably enumerable equivalence relations 227
Isomorphism types of Rogers semilattices for families from different levels of the arithmetical hierarchy 225
Morfometria geometrica non invasiva su semi archeologici di vite per risalire all'origine di antiche varietà antropiche 222
A note on the enumeration degrees of 1-generic sets 215
Branching in the Σ02 -enumeration degrees: a new perspective 211
Friedberg numberings in the Ershov hierarchy 210
Algebraic properties of Rogers semilattices of arithmetical numberings 208
The theory of ceers computes true arithmetic 207
Singleton enumeration reducibility and arithmetic 206
Strong positive reducibilities 203
Topological aspects of the Medvedev lattice 201
Undecidability of local structures of s-degrees and Q-degrees 200
Elementary theories for Rogers semilattices 200
The first order theories of the Medvedev and Muchnik lattices 198
Branching in the enumeration degrees of the Σ02sets 196
Strong enumeration reducibilities 195
Immunity properties and strong positive reducibilities 191
There exists a maximal 3-c.e. enumeration degree 189
Diamond embeddings into the enumeration degrees 188
A note on closed degrees of difficulty of the Medvedev lattice 188
Immunity properties of the s-degrees 184
Incomparability in local structures of $s$-degrees and $Q$-degrees 184
Elementary properties of Rogers semilattices of arithmetical numberings 179
Generalizations of the Weak Law of the Excluded Middle 178
Rogers semilattices of families of two embedded sets in the Ershov hierarchy 175
The category of equivalence relations 172
Comparing Pi^0_2 of the Baire space by means of general recursive operators 171
Completeness and universality of arithmetical numberings 170
On some filters and ideals of the Medvedev lattice 166
Classifying positive equivalence relations 164
Minimal degrees and downwards density in some strong positive reducibilities and quasi-reducibilities 163
Self-full ceers and the uniform join operator 161
Noncappable enumeration degrees below 0e′ 161
Initial segments of the degrees of ceers 160
Initial segments of the Σ0 2 enumeration degrees 159
Lattices of local two-dimensional languages 159
Reducibility in some categories of partial recursive operators 157
Creativeness and completeness in recursion categories of partial recursive operators 155
Primitive recursive equivalence relations and their primitive recursive complexity 154
Word problems and ceers 152
Intermediate logics and factors of the Medvedev lattice 150
Intuitionistic logic and Muchnik degrees 150
Some remarks on the algebraic structure of the Medvedev Lattice 150
Empty intervals in the enumeration degrees 148
Cupping and noncupping in the enumeration degrees of Σ02 sets 145
Isomorphism types and theories of Rogers semilattices of arithmetical numberings 143
Sets of generators and automorphism bases for the enumeration degrees 143
Universal recursion theoretic properties of r.e. preordered structures 141
Some Quotient Lattices of the Medvedev Lattice 139
Quasi-minimal enumeration degrees and minimal Turing degrees 137
The Medvedev lattice of degrees of difficulty 136
Generalized computable numerations and nontrivial rogers semilattices 136
Density results in the Delta-0-2 e-degrees 135
Embeddings into the enumeration degrees 131
Conjunctive degrees and cylinders 130
On extensions of embeddings into the enumeration degrees of the Σ02-sets 129
Embedding finite lattices into the \Sigma-0-2 enumeration degrees 129
Structural properties and Sigma^0_2 enumeration degrees 126
Every nonzero enumeration degree contains infinitely many singleton degrees 122
Open problems in the enumeration degrees 120
In memoriam: Barry Cooper 1943-2015 119
The distribution of properly Sigma(0)(2) e-degrees 114
Embedding Brouwer algebras in the Medvedev lattice 114
Properly Σ02 enumeration degrees and the high/low hierarchy 114
On elementary theories and isomorphism types of Rogers semilattices 112
Some remarks on tiling recognizable languages 110
The enumeration degrees of the Sigma_2^0 sets 102
Totale 27.172
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Categoria #
all - tutte 71.905
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 71.905
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/20221.354 0 220 102 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
2026/2027476 315 161 0 0 0 0 0 0 0 0 0 0
Totale 27.985