IRIS
SORBI, ANDREA
 Distribuzione geografica
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Continente #
NA - Nord America 15.202
EU - Europa 6.698
AS - Asia 3.743
SA - Sud America 695
AF - Africa 182
OC - Oceania 20
Continente sconosciuto - Info sul continente non disponibili 6
AN - Antartide 1
Totale 26.547
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Nazione #
US - Stati Uniti d'America 15.100
GB - Regno Unito 1.886
CN - Cina 1.330
RU - Federazione Russa 1.179
SG - Singapore 1.127
IE - Irlanda 949
IT - Italia 682
BR - Brasile 587
UA - Ucraina 448
FR - Francia 439
SE - Svezia 438
HK - Hong Kong 314
VN - Vietnam 289
DE - Germania 236
KR - Corea 165
ES - Italia 138
FI - Finlandia 134
ZA - Sudafrica 120
TR - Turchia 91
IN - India 90
GE - Georgia 68
BD - Bangladesh 53
CA - Canada 48
NL - Olanda 44
IQ - Iraq 34
MX - Messico 32
AR - Argentina 30
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
CL - Cile 11
IL - Israele 11
CO - Colombia 10
AT - Austria 9
CH - Svizzera 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
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
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
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 26.532
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Città #
Dallas 7.806
Southend 1.709
Fairfield 1.082
Dublin 948
Ashburn 653
Singapore 609
Woodbridge 491
Chandler 452
Houston 377
Seattle 374
Jacksonville 365
Wilmington 352
Cambridge 338
Santa Clara 334
Moscow 312
Hong Kong 301
Beijing 285
Ann Arbor 265
Hefei 234
Seoul 165
Princeton 136
Siena 136
San Jose 119
The Dalles 117
Johannesburg 114
Nanjing 112
Dearborn 111
Los Angeles 102
Málaga 98
Lauterbourg 94
Menlo Park 92
Ho Chi Minh City 90
Helsinki 81
Hanoi 71
San Mateo 70
Milan 60
San Diego 55
Rome 54
Council Bluffs 53
Boardman 51
Shanghai 47
Tbilisi 43
Buffalo 42
New York 37
Nanchang 34
Istanbul 32
Izmir 32
São Paulo 32
Shenyang 29
London 28
Munich 28
Abuja 24
Amsterdam 24
Florence 24
Bengaluru 23
Belo Horizonte 21
Jinan 21
Orem 21
Hebei 20
San Francisco 20
Tianjin 20
Toronto 20
Changsha 19
Kunming 18
Tokyo 18
Baghdad 17
Dong Ket 17
Barcelona 16
Brussels 16
Guangzhou 16
Mexico City 16
Redondo Beach 16
Zhengzhou 16
Brooklyn 15
Redwood City 15
Brasília 14
Chicago 14
Haiphong 14
Hangzhou 14
Jiaxing 14
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
Columbus 10
Curitiba 10
Totale 20.407
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Nome #
∑0n-equivalence relations 7.452
Trial and error mathematics I: dialectical and quasi-dialectical systems 456
Trial and error mathematics II: dialectical sets and quasi-dialectical sets, their degrees, and their distribution within the class of limit sets 381
Ricordo di Franco Montagna 316
A note on uniform density in weak arithmetical theories 304
Taking the Pirahã seriously 297
Trial and error mathematics: dialectical systems and completions of theories 288
A note on algebras of languages 282
Le direzioni della ricerca logica in Italia: la teoria (classica) della computabilità 281
A survey on universal computably enumerable equivalence relations 278
Jumps of computably enumerable equivalence relations 276
Calibrating word problems of groups via the complexity of equivalence relations 275
On learning to coordinate random bits help, insightful normal forms, and competency isomorphisms 274
Bounded enumeration reducibility and its degree structure 273
Effective inseparability, lattices, and preordering relations 270
Joins and meets in the structure of ceers 266
Comparing the degrees of enumerability and the closed Medvedev degrees 258
On learning to coordinate: random bits help, insightful normal forms, and competency isomorphisms 254
Pomology observations, morphometric analysis, ultrastructural study and allelic profiles of "olivastra Seggianese" endocarps from ancient olive trees (Olea europaea L.) 245
Classifying word problems of finitely generated algebras via computable reducibility 244
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 238
S. Barry Cooper (1943-2015) 235
Weakly precomplete computably enumerable equivalence relations 234
A Note on Relative Efficiency of Axiom Systems 234
A note on initial segments of the enumeration degrees 228
Logic and probabilistic systems 225
Some remarks on completion of numberings 224
Bounding and nonbounding minimal pairs in the enumeration degrees 222
Bounding nonsplitting enumeration degrees 220
Morfometria geometrica non invasiva su semi archeologici di vite per risalire all'origine di antiche varietà antropiche 220
The complexity of index sets of classes of computably enumerable equivalence relations 219
Classifying equivalence relations in the Ershov hierarchy 219
Isomorphism types of Rogers semilattices for families from different levels of the arithmetical hierarchy 209
A note on the enumeration degrees of 1-generic sets 209
Friedberg numberings in the Ershov hierarchy 204
The theory of ceers computes true arithmetic 204
Algebraic properties of Rogers semilattices of arithmetical numberings 198
Singleton enumeration reducibility and arithmetic 198
Branching in the Σ02 -enumeration degrees: a new perspective 197
Elementary theories for Rogers semilattices 194
Strong positive reducibilities 194
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 190
There exists a maximal 3-c.e. enumeration degree 186
Strong enumeration reducibilities 186
Immunity properties and strong positive reducibilities 186
Branching in the enumeration degrees of the Σ02sets 184
Diamond embeddings into the enumeration degrees 180
Elementary properties of Rogers semilattices of arithmetical numberings 176
Immunity properties of the s-degrees 175
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 168
Comparing Pi^0_2 of the Baire space by means of general recursive operators 162
Rogers semilattices of families of two embedded sets in the Ershov hierarchy 161
Completeness and universality of arithmetical numberings 160
Minimal degrees and downwards density in some strong positive reducibilities and quasi-reducibilities 159
On some filters and ideals of the Medvedev lattice 158
Classifying positive equivalence relations 156
Lattices of local two-dimensional languages 154
Noncappable enumeration degrees below 0e′ 154
Initial segments of the degrees of ceers 154
Self-full ceers and the uniform join operator 150
Primitive recursive equivalence relations and their primitive recursive complexity 148
Intermediate logics and factors of the Medvedev lattice 147
Intuitionistic logic and Muchnik degrees 147
Creativeness and completeness in recursion categories of partial recursive operators 144
Initial segments of the Σ0 2 enumeration degrees 143
Reducibility in some categories of partial recursive operators 142
Empty intervals in the enumeration degrees 140
Cupping and noncupping in the enumeration degrees of Σ02 sets 140
Word problems and ceers 140
Sets of generators and automorphism bases for the enumeration degrees 140
Isomorphism types and theories of Rogers semilattices of arithmetical numberings 139
Some remarks on the algebraic structure of the Medvedev Lattice 137
Some Quotient Lattices of the Medvedev Lattice 135
Universal recursion theoretic properties of r.e. preordered structures 133
Quasi-minimal enumeration degrees and minimal Turing degrees 129
The Medvedev lattice of degrees of difficulty 126
Generalized computable numerations and nontrivial rogers semilattices 126
Density results in the Delta-0-2 e-degrees 124
Conjunctive degrees and cylinders 123
Structural properties and Sigma^0_2 enumeration degrees 122
On extensions of embeddings into the enumeration degrees of the Σ02-sets 121
Embedding finite lattices into the \Sigma-0-2 enumeration degrees 121
Embeddings into the enumeration degrees 121
Every nonzero enumeration degree contains infinitely many singleton degrees 118
Open problems in the enumeration degrees 112
In memoriam: Barry Cooper 1943-2015 110
Embedding Brouwer algebras in the Medvedev lattice 109
Properly Σ02 enumeration degrees and the high/low hierarchy 109
The distribution of properly Sigma(0)(2) e-degrees 108
On elementary theories and isomorphism types of Rogers semilattices 101
Some remarks on tiling recognizable languages 101
The enumeration degrees of the Sigma_2^0 sets 94
Totale 26.360
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Categoria #
all - tutte 68.936
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 68.936
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021146 0 0 0 0 0 0 0 0 0 0 0 146
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
2025/202612.220 422 2.581 5.840 848 981 233 557 213 115 243 123 64
Totale 27.062