Class information for: |
Basic class information |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
| Cluster id | Level | Cluster label | #P |
|---|---|---|---|
| 14 | 4 | MATHEMATICS//MATHEMATICS, APPLIED//MATH | 912822 |
| 368 | 3 | JOURNAL OF NUMBER THEORY//MATHEMATICS//ACTA ARITHMETICA | 35230 |
| 1755 | 2 | ACTA ARITHMETICA//JOURNAL OF NUMBER THEORY//DEDEKIND SUMS | 6790 |
| 30223 | 1 | PERFECT NUMBER//ODD PERFECT NUMBERS//SOCIABLE NUMBERS | 188 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | PERFECT NUMBER | authKW | 2860736 | 12% | 74% | 23 |
| 2 | ODD PERFECT NUMBERS | authKW | 1676431 | 5% | 100% | 10 |
| 3 | SOCIABLE NUMBERS | authKW | 1676431 | 5% | 100% | 10 |
| 4 | SUM OF DIVISORS | authKW | 1589492 | 9% | 59% | 16 |
| 5 | AMICABLE NUMBERS | authKW | 1192127 | 4% | 89% | 8 |
| 6 | NEAR PERFECT NUMBER | authKW | 1173502 | 4% | 100% | 7 |
| 7 | AMICABLE PAIR | authKW | 894091 | 4% | 67% | 8 |
| 8 | DEFICIENT NUMBERS | authKW | 838215 | 3% | 100% | 5 |
| 9 | ALIQUOT SEQUENCES | authKW | 670572 | 2% | 100% | 4 |
| 10 | ALIQUOT CYCLES | authKW | 598722 | 3% | 71% | 5 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Mathematics | 4738 | 68% | 0% | 128 |
| 2 | Mathematics, Applied | 1985 | 41% | 0% | 77 |
| 3 | COMPUTER APPLICATIONS & CYBERNETICS | 62 | 1% | 0% | 1 |
| 4 | Statistics & Probability | 8 | 2% | 0% | 4 |
| 5 | History & Philosophy of Science | 3 | 1% | 0% | 1 |
| 6 | Computer Science, Theory & Methods | 0 | 1% | 0% | 2 |
| 7 | Mathematics, Interdisciplinary Applications | 0 | 1% | 0% | 1 |
| 8 | Computer Science, Software Engineering | 0 | 1% | 0% | 1 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | MOSCOW LRI | 167643 | 1% | 100% | 1 |
| 2 | MODELING ANAL SIMULAT | 83821 | 1% | 50% | 1 |
| 3 | MATH COMPUTAC | 27939 | 1% | 17% | 1 |
| 4 | UP A5028 | 27939 | 1% | 17% | 1 |
| 5 | JV PONCELET | 17190 | 1% | 5% | 2 |
| 6 | WENTIAN | 7981 | 1% | 5% | 1 |
| 7 | ATER | 5406 | 1% | 3% | 1 |
| 8 | CNRS UMR 6205 | 4655 | 1% | 3% | 1 |
| 9 | BOYD STUDIES | 2702 | 1% | 2% | 1 |
| 10 | MATH | 2343 | 42% | 0% | 79 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | MATHEMATICS OF COMPUTATION | 103538 | 27% | 1% | 50 |
| 2 | FIBONACCI QUARTERLY | 26952 | 8% | 1% | 15 |
| 3 | JOURNAL OF NUMBER THEORY | 15230 | 11% | 0% | 21 |
| 4 | PORTUGALIAE MATHEMATICA | 9083 | 2% | 2% | 3 |
| 5 | INTERNATIONAL JOURNAL OF NUMBER THEORY | 8714 | 4% | 1% | 8 |
| 6 | COLLOQUIUM MATHEMATICUM | 5795 | 3% | 1% | 5 |
| 7 | BULLETIN OF THE AUSTRALIAN MATHEMATICAL SOCIETY | 4978 | 5% | 0% | 10 |
| 8 | AMERICAN MATHEMATICAL MONTHLY | 4891 | 5% | 0% | 9 |
| 9 | PUBLICATIONES MATHEMATICAE-DEBRECEN | 4169 | 4% | 0% | 7 |
| 10 | RENDICONTI DEL SEMINARIO MATEMATICO DELLA UNIVERSITA DI PADOVA | 4072 | 2% | 1% | 3 |
Author Key Words |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | PERFECT NUMBER | 2860736 | 12% | 74% | 23 | Search PERFECT+NUMBER | Search PERFECT+NUMBER |
| 2 | ODD PERFECT NUMBERS | 1676431 | 5% | 100% | 10 | Search ODD+PERFECT+NUMBERS | Search ODD+PERFECT+NUMBERS |
| 3 | SOCIABLE NUMBERS | 1676431 | 5% | 100% | 10 | Search SOCIABLE+NUMBERS | Search SOCIABLE+NUMBERS |
| 4 | SUM OF DIVISORS | 1589492 | 9% | 59% | 16 | Search SUM+OF+DIVISORS | Search SUM+OF+DIVISORS |
| 5 | AMICABLE NUMBERS | 1192127 | 4% | 89% | 8 | Search AMICABLE+NUMBERS | Search AMICABLE+NUMBERS |
| 6 | NEAR PERFECT NUMBER | 1173502 | 4% | 100% | 7 | Search NEAR+PERFECT+NUMBER | Search NEAR+PERFECT+NUMBER |
| 7 | AMICABLE PAIR | 894091 | 4% | 67% | 8 | Search AMICABLE+PAIR | Search AMICABLE+PAIR |
| 8 | DEFICIENT NUMBERS | 838215 | 3% | 100% | 5 | Search DEFICIENT+NUMBERS | Search DEFICIENT+NUMBERS |
| 9 | ALIQUOT SEQUENCES | 670572 | 2% | 100% | 4 | Search ALIQUOT+SEQUENCES | Search ALIQUOT+SEQUENCES |
| 10 | ALIQUOT CYCLES | 598722 | 3% | 71% | 5 | Search ALIQUOT+CYCLES | Search ALIQUOT+CYCLES |
Core articles |
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c: (1) Number of references referring to publications in the class. (2) Share of total number of active references referring to publications in the class. (3) Age of the article. New articles get higher score than old articles. (4) Citation rate, normalized to year. |
Classes with closest relation at Level 1 |