Class information for:
Level 1: E RINGS//TOTALLY PROJECTIVE GROUPS//ALMOST COMPLETELY DECOMPOSABLE GROUP

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
9617 1070 14.3 25%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
627 13154 COMMUNICATIONS IN ALGEBRA//JOURNAL OF ALGEBRA//EXCHANGE RING

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 E RINGS Author keyword 27 92% 1% 11
2 TOTALLY PROJECTIVE GROUPS Author keyword 23 100% 1% 10
3 ALMOST COMPLETELY DECOMPOSABLE GROUP Author keyword 14 100% 1% 7
4 DIRECT SUMS OF CYCLIC GROUPS Author keyword 11 100% 1% 6
5 NORMALIZED UNITS Author keyword 11 100% 1% 6
6 QUOTIENT DIVISIBLE GROUP Author keyword 11 100% 1% 6
7 SEPARABLE GROUPS Author keyword 11 100% 1% 6
8 BUTLER GROUPS Author keyword 11 78% 1% 7
9 FULLY INVARIANT SUBGROUPS Author keyword 11 78% 1% 7
10 ALGEBRAICALLY COMPACT GROUPS Author keyword 9 83% 0% 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 E RINGS 27 92% 1% 11 Search E+RINGS Search E+RINGS
2 TOTALLY PROJECTIVE GROUPS 23 100% 1% 10 Search TOTALLY+PROJECTIVE+GROUPS Search TOTALLY+PROJECTIVE+GROUPS
3 ALMOST COMPLETELY DECOMPOSABLE GROUP 14 100% 1% 7 Search ALMOST+COMPLETELY+DECOMPOSABLE+GROUP Search ALMOST+COMPLETELY+DECOMPOSABLE+GROUP
4 DIRECT SUMS OF CYCLIC GROUPS 11 100% 1% 6 Search DIRECT+SUMS+OF+CYCLIC+GROUPS Search DIRECT+SUMS+OF+CYCLIC+GROUPS
5 NORMALIZED UNITS 11 100% 1% 6 Search NORMALIZED+UNITS Search NORMALIZED+UNITS
6 QUOTIENT DIVISIBLE GROUP 11 100% 1% 6 Search QUOTIENT+DIVISIBLE+GROUP Search QUOTIENT+DIVISIBLE+GROUP
7 SEPARABLE GROUPS 11 100% 1% 6 Search SEPARABLE+GROUPS Search SEPARABLE+GROUPS
8 BUTLER GROUPS 11 78% 1% 7 Search BUTLER+GROUPS Search BUTLER+GROUPS
9 FULLY INVARIANT SUBGROUPS 11 78% 1% 7 Search FULLY+INVARIANT+SUBGROUPS Search FULLY+INVARIANT+SUBGROUPS
10 ALGEBRAICALLY COMPACT GROUPS 9 83% 0% 5 Search ALGEBRAICALLY+COMPACT+GROUPS Search ALGEBRAICALLY+COMPACT+GROUPS

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 BUTLER GROUPS 102 100% 3% 30
2 MIXED ABELIAN GROUPS 27 92% 1% 11
3 FREE ABELIAN GROUPS 22 56% 3% 27
4 FINITE RANK 20 54% 2% 26
5 INFINITE RANK 19 61% 2% 20
6 COMMUTATIVE GROUP ALGEBRAS 18 89% 1% 8
7 DECOMPOSABLE GROUPS 18 89% 1% 8
8 ENDOMORPHISM RINGS 15 39% 3% 30
9 ABELIAN GROUPS 15 18% 7% 74
10 DIRECT SUMS 12 31% 3% 31

Journals

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
CATEGORIES OF MODULES OVER ENDOMORPHISM-RINGS 1993 0 29 55%

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 HBEREICH MATH INFORMAT 6 6 33% 1.4% 15
2 AREA GEOMETRIA TOPOL 2 29% 0.5% 5
3 HBEREICH 6 2 11% 1.2% 13
4 HBEREICH MATH 6 1 13% 0.8% 9
5 ALFRED REYNI MATH 1 50% 0.1% 1
6 MATHEMAT MECAN 1 50% 0.1% 1
7 CITE 3 1 29% 0.2% 2
8 FB MATH 6 1 13% 0.4% 4
9 DIPARTIMENTO INFORMAT MATEMAT 0 33% 0.1% 1
10 KATEDRA ALGEBRY 0 14% 0.1% 1

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000076858 PREENVELOPE//PRECOVER//COTORSION THEORY
2 0.0000055945 KRULL SCHMIDT THEOREM//DEDEKIND LIKE RING//PRUFER MODULES
3 0.0000043656 EXCHANGE RING//STRONGLY CLEAN RING//CLEAN RINGS
4 0.0000040292 SUPERCOMPACT CARDINAL//LARGE CARDINALS//STRONGLY COMPACT CARDINAL
5 0.0000039141 CENTRAL AUTOMORPHISM//CENTRAL AUTOMORPHISMS//COCLASS THEORY
6 0.0000038380 STRUCTURAL MATRIX RING//COVERS OF GROUPS//N HOMOMORPHISM
7 0.0000036293 TOTAL VALUATION RING//DUBROVIN VALUATION RING//HEREDITARY ORDERS
8 0.0000035266 MAXIMAL CONDITION//MINIMAL CONDITION//GROUP OF INFINITE RANK
9 0.0000030852 LIFTING MODULE//EXTENDING MODULE//CS MODULE
10 0.0000024191 COARSE SHAPE//SHAPE DOMINATION//HOMOTOPY DOMINATION