IRIS
SORBI, ANDREA
 Distribuzione geografica
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Continente #
NA - Nord America 15.058
EU - Europa 6.680
AS - Asia 3.712
SA - Sud America 693
AF - Africa 181
OC - Oceania 18
Continente sconosciuto - Info sul continente non disponibili 6
AN - Antartide 1
Totale 26.349
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Nazione #
US - Stati Uniti d'America 14.965
GB - Regno Unito 1.884
CN - Cina 1.329
RU - Federazione Russa 1.179
SG - Singapore 1.124
IE - Irlanda 949
IT - Italia 668
BR - Brasile 587
UA - Ucraina 448
FR - Francia 439
SE - Svezia 438
HK - Hong Kong 313
VN - Vietnam 288
DE - Germania 236
KR - Corea 165
ES - Italia 138
FI - Finlandia 134
ZA - Sudafrica 119
TR - Turchia 91
IN - India 90
GE - Georgia 67
CA - Canada 43
NL - Olanda 42
IQ - Iraq 34
AR - Argentina 30
BD - Bangladesh 29
MX - Messico 29
JP - Giappone 25
ID - Indonesia 24
NG - Nigeria 24
PL - Polonia 20
VE - Venezuela 19
BE - Belgio 16
KZ - Kazakistan 16
RO - Romania 16
PK - Pakistan 14
EC - Ecuador 12
UZ - Uzbekistan 12
AU - Australia 11
IL - Israele 11
CO - Colombia 10
AT - Austria 9
CH - Svizzera 9
CL - Cile 9
PE - Perù 9
GR - Grecia 8
IR - Iran 8
PY - Paraguay 8
SA - Arabia Saudita 8
NZ - Nuova Zelanda 7
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
MY - Malesia 4
NP - Nepal 4
RS - Serbia 4
UY - Uruguay 4
AL - Albania 3
AZ - Azerbaigian 3
EE - Estonia 3
HU - Ungheria 3
JM - Giamaica 3
LT - Lituania 3
PA - Panama 3
PT - Portogallo 3
QA - Qatar 3
AO - Angola 2
BB - Barbados 2
BN - Brunei Darussalam 2
CR - Costa Rica 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
SI - Slovenia 2
SN - Senegal 2
TH - Thailandia 2
AM - Armenia 1
BA - Bosnia-Erzegovina 1
BZ - Belize 1
EU - Europa 1
Totale 26.334
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Città #
Dallas 7.804
Southend 1.709
Fairfield 1.081
Dublin 948
Ashburn 646
Singapore 606
Woodbridge 491
Chandler 452
Houston 377
Seattle 373
Jacksonville 365
Wilmington 352
Cambridge 338
Santa Clara 326
Moscow 312
Hong Kong 300
Beijing 285
Ann Arbor 265
Hefei 234
Seoul 165
Princeton 136
Siena 136
The Dalles 117
Johannesburg 114
Nanjing 112
Dearborn 111
Los Angeles 100
Málaga 98
Lauterbourg 94
San Jose 94
Menlo Park 92
Ho Chi Minh City 89
Helsinki 81
Hanoi 71
San Mateo 70
Milan 57
San Diego 55
Rome 54
Council Bluffs 53
Boardman 51
Shanghai 47
Buffalo 42
Tbilisi 42
Nanchang 34
Istanbul 32
Izmir 32
São Paulo 32
New York 29
Shenyang 29
Munich 28
London 26
Abuja 24
Amsterdam 24
Florence 24
Bengaluru 23
Belo Horizonte 21
Jinan 21
Hebei 20
Orem 20
San Francisco 20
Tianjin 20
Changsha 19
Kunming 18
Tokyo 18
Toronto 18
Baghdad 17
Dong Ket 17
Barcelona 16
Brussels 16
Guangzhou 16
Redondo Beach 16
Zhengzhou 16
Redwood City 15
Brasília 14
Brooklyn 14
Haiphong 14
Hangzhou 14
Jiaxing 14
Mexico City 13
Mumbai 13
Prineville 13
Rio de Janeiro 13
Chennai 12
Denver 12
Fremont 12
Norwalk 12
Porto Alegre 12
Timisoara 12
Turin 12
Warsaw 12
Altoona 11
Ningbo 11
Poplar 11
Salvador 11
Taizhou 11
Tashkent 11
Venezia 11
Chicago 10
Curitiba 10
Da Nang 10
Totale 20.331
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Nome #
∑0n-equivalence relations 7.449
Trial and error mathematics I: dialectical and quasi-dialectical systems 454
Trial and error mathematics II: dialectical sets and quasi-dialectical sets, their degrees, and their distribution within the class of limit sets 372
Ricordo di Franco Montagna 311
A note on uniform density in weak arithmetical theories 304
Trial and error mathematics: dialectical systems and completions of theories 285
A note on algebras of languages 281
Le direzioni della ricerca logica in Italia: la teoria (classica) della computabilità 279
Jumps of computably enumerable equivalence relations 276
Taking the Pirahã seriously 276
A survey on universal computably enumerable equivalence relations 275
Bounded enumeration reducibility and its degree structure 272
Calibrating word problems of groups via the complexity of equivalence relations 272
On learning to coordinate random bits help, insightful normal forms, and competency isomorphisms 272
Effective inseparability, lattices, and preordering relations 270
Joins and meets in the structure of ceers 263
Comparing the degrees of enumerability and the closed Medvedev degrees 256
On learning to coordinate: random bits help, insightful normal forms, and competency isomorphisms 251
Pomology observations, morphometric analysis, ultrastructural study and allelic profiles of "olivastra Seggianese" endocarps from ancient olive trees (Olea europaea L.) 244
Classifying word problems of finitely generated algebras via computable reducibility 241
Positive undecidable numberings in the Ershov hierarchy 240
High minimal pairs in the enumeration degrees 239
Universal computably enumerable equivalence relations 239
A characterization of the Δ20 hyperhyperimmune sets 237
S. Barry Cooper (1943-2015) 234
A Note on Relative Efficiency of Axiom Systems 232
Weakly precomplete computably enumerable equivalence relations 230
A note on initial segments of the enumeration degrees 227
Some remarks on completion of numberings 222
Logic and probabilistic systems 222
Morfometria geometrica non invasiva su semi archeologici di vite per risalire all'origine di antiche varietà antropiche 219
Bounding nonsplitting enumeration degrees 218
Bounding and nonbounding minimal pairs in the enumeration degrees 218
The complexity of index sets of classes of computably enumerable equivalence relations 217
Classifying equivalence relations in the Ershov hierarchy 216
Isomorphism types of Rogers semilattices for families from different levels of the arithmetical hierarchy 207
A note on the enumeration degrees of 1-generic sets 207
Friedberg numberings in the Ershov hierarchy 203
The theory of ceers computes true arithmetic 202
Algebraic properties of Rogers semilattices of arithmetical numberings 197
Singleton enumeration reducibility and arithmetic 196
Branching in the Σ02 -enumeration degrees: a new perspective 195
Strong positive reducibilities 194
Elementary theories for Rogers semilattices 192
Topological aspects of the Medvedev lattice 192
The first order theories of the Medvedev and Muchnik lattices 191
Undecidability of local structures of s-degrees and Q-degrees 188
Strong enumeration reducibilities 185
Immunity properties and strong positive reducibilities 185
There exists a maximal 3-c.e. enumeration degree 184
Branching in the enumeration degrees of the Σ02sets 182
Diamond embeddings into the enumeration degrees 180
Elementary properties of Rogers semilattices of arithmetical numberings 176
Immunity properties of the s-degrees 173
Incomparability in local structures of $s$-degrees and $Q$-degrees 173
A note on closed degrees of difficulty of the Medvedev lattice 172
Generalizations of the Weak Law of the Excluded Middle 170
The category of equivalence relations 167
Comparing Pi^0_2 of the Baire space by means of general recursive operators 162
Completeness and universality of arithmetical numberings 159
Rogers semilattices of families of two embedded sets in the Ershov hierarchy 159
On some filters and ideals of the Medvedev lattice 158
Minimal degrees and downwards density in some strong positive reducibilities and quasi-reducibilities 156
Classifying positive equivalence relations 156
Noncappable enumeration degrees below 0e′ 154
Lattices of local two-dimensional languages 152
Self-full ceers and the uniform join operator 150
Initial segments of the degrees of ceers 149
Primitive recursive equivalence relations and their primitive recursive complexity 147
Intermediate logics and factors of the Medvedev lattice 146
Intuitionistic logic and Muchnik degrees 144
Initial segments of the Σ0 2 enumeration degrees 143
Creativeness and completeness in recursion categories of partial recursive operators 143
Reducibility in some categories of partial recursive operators 141
Cupping and noncupping in the enumeration degrees of Σ02 sets 140
Empty intervals in the enumeration degrees 139
Isomorphism types and theories of Rogers semilattices of arithmetical numberings 139
Word problems and ceers 138
Some remarks on the algebraic structure of the Medvedev Lattice 137
Sets of generators and automorphism bases for the enumeration degrees 136
Some Quotient Lattices of the Medvedev Lattice 134
Universal recursion theoretic properties of r.e. preordered structures 132
Quasi-minimal enumeration degrees and minimal Turing degrees 129
The Medvedev lattice of degrees of difficulty 126
Generalized computable numerations and nontrivial rogers semilattices 125
Density results in the Delta-0-2 e-degrees 122
Structural properties and Sigma^0_2 enumeration degrees 122
Conjunctive degrees and cylinders 121
On extensions of embeddings into the enumeration degrees of the Σ02-sets 121
Embeddings into the enumeration degrees 120
Embedding finite lattices into the \Sigma-0-2 enumeration degrees 119
Open problems in the enumeration degrees 111
In memoriam: Barry Cooper 1943-2015 109
Embedding Brouwer algebras in the Medvedev lattice 109
Properly Σ02 enumeration degrees and the high/low hierarchy 108
The distribution of properly Sigma(0)(2) e-degrees 107
Some remarks on tiling recognizable languages 101
On elementary theories and isomorphism types of Rogers semilattices 100
Every nonzero enumeration degree contains infinitely many singleton degrees 97
The enumeration degrees of the Sigma_2^0 sets 94
Totale 26.179
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Categoria #
all - tutte 66.595
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 66.595
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021466 0 0 0 0 0 0 0 0 0 177 143 146
2021/20221.447 93 220 102 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
2025/202612.015 422 2.581 5.840 848 981 233 557 213 115 225 0 0
Totale 26.857