Class information for:
Level 1: COVERING SYSTEMS//SUMS OF PRIME POWERS//COVERING CONGRUENCES

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
27695 183 11.9 30%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
2827 2493 ZERO DIVISOR GRAPH//DAVENPORT CONSTANT//ZERO SUM PROBLEMS

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 COVERING SYSTEMS Author keyword 21 85% 6% 11
2 SUMS OF PRIME POWERS Author keyword 11 100% 3% 6
3 COVERING CONGRUENCES Author keyword 9 83% 3% 5
4 ODD NUMBERS Author keyword 8 100% 3% 5
5 RIESEL NUMBER Author keyword 3 100% 2% 3
6 ROMANOFFS THEOREM Author keyword 3 100% 2% 3
7 SELBERGS SIEVE METHOD Author keyword 3 100% 2% 3
8 SIERPINSKI NUMBER Author keyword 3 100% 2% 3
9 COVERING SYSTEM Author keyword 2 38% 3% 5
10 ERDOS PROBLEMS Author keyword 2 36% 3% 5

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 COVERING SYSTEMS 21 85% 6% 11 Search COVERING+SYSTEMS Search COVERING+SYSTEMS
2 SUMS OF PRIME POWERS 11 100% 3% 6 Search SUMS+OF+PRIME+POWERS Search SUMS+OF+PRIME+POWERS
3 COVERING CONGRUENCES 9 83% 3% 5 Search COVERING+CONGRUENCES Search COVERING+CONGRUENCES
4 ODD NUMBERS 8 100% 3% 5 Search ODD+NUMBERS Search ODD+NUMBERS
5 RIESEL NUMBER 3 100% 2% 3 Search RIESEL+NUMBER Search RIESEL+NUMBER
6 ROMANOFFS THEOREM 3 100% 2% 3 Search ROMANOFFS+THEOREM Search ROMANOFFS+THEOREM
7 SELBERGS SIEVE METHOD 3 100% 2% 3 Search SELBERGS+SIEVE+METHOD Search SELBERGS+SIEVE+METHOD
8 SIERPINSKI NUMBER 3 100% 2% 3 Search SIERPINSKI+NUMBER Search SIERPINSKI+NUMBER
9 COVERING SYSTEM 2 38% 3% 5 Search COVERING+SYSTEM Search COVERING+SYSTEM
10 ERDOS PROBLEMS 2 36% 3% 5 Search ERDOS+PROBLEMS Search ERDOS+PROBLEMS

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 K2N1 23 100% 5% 10
2 2 PRIME POWERS 14 100% 4% 7
3 ARITHMETIC SEQUENCES 6 50% 5% 9
4 M TIMES 2 67% 1% 2
5 PERIODIC MAPS 2 50% 2% 3
6 OMEGA FUNCTION 1 38% 2% 3
7 FINITE COVERINGS 1 33% 1% 2
8 NEWMAN ZNAM RESULT 1 50% 1% 1
9 LCM 0 14% 1% 2
10 DISJOINT COVERING SYSTEMS 0 25% 1% 1

Journals

Reviews

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ.
in class
1 UMR MATH 5208 1 50% 0.5% 1
2 IMATE 1 25% 1.1% 2
3 TECHNOPOLE NANCY BRABOIS 0 25% 0.5% 1
4 GSEAS 0 20% 0.5% 1
5 MATEMAT INMABB 0 17% 0.5% 1
6 REG RECHENZENTRUM 0 13% 0.5% 1
7 CNR UP A 502B 0 100% 0.5% 1
8 GIRARD 0 100% 0.5% 1

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000219775 ITERATION DIGRAPH//CARMICHAEL LAMBDA FUNCTION//CUBIC MAPPING GRAPH
2 0.0000171493 DAVENPORT CONSTANT//ZERO SUM PROBLEMS//PEBBLING NUMBER
3 0.0000141833 CARMICHAEL NUMBER//CARMICHAEL NUMBERS//STRONG PSEUDOPRIMES
4 0.0000103213 PERFECT NUMBER//SOCIABLE NUMBERS//SUM OF DIVISORS
5 0.0000090663 ORTHOGONAL EXPONENTIALS//SELF AFFINE MEASURE//COMPATIBLE PAIR
6 0.0000084958 XRAY PHYS IMAGING//DISCRETE IMAGE PROCESSING//POSITIVITY PROBLEM
7 0.0000083124 CANTOR FRACTAL//MOLECULE C 60//FIBONACCI GENERATOR
8 0.0000072229 FRANCOIS DELSARTE//MIRRORS OF PRINCES//THE LEGEND OF GOOD WOMEN
9 0.0000067312 MAXIMAL PARABOLIC SUBGROUP//PLESS POWER MOMENT IDENTITY//GAUSS SUM
10 0.0000063503 HILBERTS TENTH PROBLEM//BUCHIS PROBLEM//DIOPHANTINE DEFINITION