Class information for:
Level 1: ISOMETRIC EXTENSION//TINGLEYS PROBLEM//ALEKSANDROV PROBLEM

Basic class information

ID Publications Average number
of references
Avg. shr. active
ref. in WoS
25673 227 13.9 32%



Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)



ID, lev.
above
Publications Label for level above
1056 9549 ANAL MATEMAT//JAMES CONSTANT//STUDIA MATHEMATICA

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 ISOMETRIC EXTENSION Author keyword 89 90% 17% 38
2 TINGLEYS PROBLEM Author keyword 23 100% 4% 10
3 ALEKSANDROV PROBLEM Author keyword 21 90% 4% 9
4 N ISOMETRY Author keyword 18 89% 4% 8
5 MAZUR ULAM THEOREM Author keyword 15 63% 7% 15
6 2 ISOMETRY Author keyword 13 80% 4% 8
7 ISOMETRIC MAPPING Author keyword 12 47% 8% 18
8 LINEAR N NORMED SPACE Author keyword 4 75% 1% 3
9 1 LIPSCHITZ MAPPING Author keyword 3 100% 1% 3
10 2 LIPSCHITZ MAPPING Author keyword 3 100% 1% 3

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 ISOMETRIC EXTENSION 89 90% 17% 38 Search ISOMETRIC+EXTENSION Search ISOMETRIC+EXTENSION
2 TINGLEYS PROBLEM 23 100% 4% 10 Search TINGLEYS+PROBLEM Search TINGLEYS+PROBLEM
3 ALEKSANDROV PROBLEM 21 90% 4% 9 Search ALEKSANDROV+PROBLEM Search ALEKSANDROV+PROBLEM
4 N ISOMETRY 18 89% 4% 8 Search N+ISOMETRY Search N+ISOMETRY
5 MAZUR ULAM THEOREM 15 63% 7% 15 Search MAZUR+ULAM+THEOREM Search MAZUR+ULAM+THEOREM
6 2 ISOMETRY 13 80% 4% 8 Search 2+ISOMETRY Search 2+ISOMETRY
7 ISOMETRIC MAPPING 12 47% 8% 18 Search ISOMETRIC+MAPPING Search ISOMETRIC+MAPPING
8 LINEAR N NORMED SPACE 4 75% 1% 3 Search LINEAR+N+NORMED+SPACE Search LINEAR+N+NORMED+SPACE
9 1 LIPSCHITZ MAPPING 3 100% 1% 3 Search 1+LIPSCHITZ+MAPPING Search 1+LIPSCHITZ+MAPPING
10 2 LIPSCHITZ MAPPING 3 100% 1% 3 Search 2+LIPSCHITZ+MAPPING Search 2+LIPSCHITZ+MAPPING

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 ALEKSANDROV PROBLEM 33 83% 8% 19
2 CONSERVATIVE DISTANCES 21 78% 6% 14
3 MAZUR ULAM THEOREM 21 90% 4% 9
4 UNIT SPHERES 13 69% 5% 11
5 LINEAR 2 NORMED SPACES 8 100% 2% 5
6 SMALL INTO ISOMORPHISMS 4 75% 1% 3
7 ISOMETRIC EXTENSION PROBLEM 3 100% 1% 3
8 EUCLIDEAN GEOMETRY 3 60% 1% 3
9 L INFINITY 2 15% 4% 10
10 2 UNIT SPHERES 1 100% 1% 2

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 INTEGRAT STUDIES 2 23% 3.5% 8
2 TOHO UNIV 0 20% 0.4% 1
3 MATH SCI LPMC 0 10% 0.4% 1
4 KIBORI MAL 0 100% 0.4% 1
5 NEWS INTERDISCIPLINARY ARTS SCI 0 100% 0.4% 1
6 SHREN MATH 0 100% 0.4% 1

Related classes at same level (level 1)



Rank Relatedness score Related classes
1 0.0000153109 NUMERICAL INDEX//DAUGAVET EQUATION//BISHOP PHELPS BOLLOBAS THEOREM
2 0.0000119193 BOUNDED APPROXIMATION PROPERTIES//WEAK APPROXIMATION PROPERTY//P COMPACT OPERATOR
3 0.0000108832 HYERS ULAM STABILITY//HYERS ULAM RASSIAS STABILITY//GENERALIZED HYERS ULAM STABILITY
4 0.0000092704 TETRONS//EMERGENT GAUGE THEORY//NEAR SYMMETRY
5 0.0000069536 GYROGROUP//WIGNERS LITTLE GROUPS//THOMAS ROTATION
6 0.0000059742 CONSTRUCTIVE AXIOMATIZATION//DE BRUIJN ERDOS THEOREM//ORDERED GEOMETRY
7 0.0000055092 KADISON SINGER ALGEBRA//KADISON SINGER LATTICE//NEST ALGEBRA
8 0.0000051808 POLYNOMIALLY BOUNDED OPERATORS//DUAL OPERATOR ALGEBRAS//SPHERICAL ISOMETRY
9 0.0000047283 STATISTICAL CONVERGENCE//ORLICZ FUNCTION//MATRIX TRANSFORMATIONS
10 0.0000045795 JAMES CONSTANT//VON NEUMANN JORDAN CONSTANT//UNIFORM MONOTONICITY