Class information for:
Level 1: INDEFINITE STURM LIOUVILLE PROBLEM//DEFINITIZABLE OPERATOR//KREIN SPACE

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
18726 472 17.9 24%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
2217 4340 INVERSE NODAL PROBLEM//STURM LIOUVILLE PROBLEMS//EIGENPARAMETER DEPENDENT BOUNDARY CONDITIONS

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 INDEFINITE STURM LIOUVILLE PROBLEM Author keyword 22 81% 3% 13
2 DEFINITIZABLE OPERATOR Author keyword 12 63% 3% 12
3 KREIN SPACE Author keyword 9 24% 7% 33
4 DEFINITIZABLE OPERATORS Author keyword 8 75% 1% 6
5 HELP INEQUALITY Author keyword 6 71% 1% 5
6 LOCAL SPECTRAL FUNCTION Author keyword 6 100% 1% 4
7 ANGULAR OPERATOR Author keyword 4 75% 1% 3
8 LEFT DEFINITE Author keyword 4 75% 1% 3
9 PARAMETER ELLIPTICITY Author keyword 4 75% 1% 3
10 PARTIAL INTEGRAL OPERATOR Author keyword 4 75% 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 INDEFINITE STURM LIOUVILLE PROBLEM 22 81% 3% 13 Search INDEFINITE+STURM+LIOUVILLE+PROBLEM Search INDEFINITE+STURM+LIOUVILLE+PROBLEM
2 DEFINITIZABLE OPERATOR 12 63% 3% 12 Search DEFINITIZABLE+OPERATOR Search DEFINITIZABLE+OPERATOR
3 KREIN SPACE 9 24% 7% 33 Search KREIN+SPACE Search KREIN+SPACE
4 DEFINITIZABLE OPERATORS 8 75% 1% 6 Search DEFINITIZABLE+OPERATORS Search DEFINITIZABLE+OPERATORS
5 HELP INEQUALITY 6 71% 1% 5 Search HELP+INEQUALITY Search HELP+INEQUALITY
6 LOCAL SPECTRAL FUNCTION 6 100% 1% 4 Search LOCAL+SPECTRAL+FUNCTION Search LOCAL+SPECTRAL+FUNCTION
7 ANGULAR OPERATOR 4 75% 1% 3 Search ANGULAR+OPERATOR Search ANGULAR+OPERATOR
8 LEFT DEFINITE 4 75% 1% 3 Search LEFT+DEFINITE Search LEFT+DEFINITE
9 PARAMETER ELLIPTICITY 4 75% 1% 3 Search PARAMETER+ELLIPTICITY Search PARAMETER+ELLIPTICITY
10 PARTIAL INTEGRAL OPERATOR 4 75% 1% 3 Search PARTIAL+INTEGRAL+OPERATOR Search PARTIAL+INTEGRAL+OPERATOR

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 DEFINITIZABLE OPERATORS 21 71% 4% 17
2 NONSELFADJOINT PROBLEMS 8 100% 1% 5
3 MINIMAX CHARACTERIZATION 6 100% 1% 4
4 SGN X 4 67% 1% 4
5 INDEFINITE WEIGHT FUNCTION 3 35% 1% 7
6 CONVERGENCE RADII 2 67% 0% 2
7 HELP INEQUALITY 2 67% 0% 2
8 WEAK CONTRACTION 2 67% 0% 2
9 HALF RANGE COMPLETENESS 2 50% 1% 3
10 HERMITIAN PENCILS 2 50% 1% 3

Journals

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
A REVIEW OF A RIESZ BASIS PROPERTY FOR INDEFINITE STURM-LIOUVILLE PROBLEMS 2011 4 14 86%
SIMPLICITY OF EXTREMAL EIGENVALUES OF THE KLEIN-GORDON EQUATION 2011 0 6 83%

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 MATH MA 6 4 2 67% 0.4% 2
2 FB MATH 3 1 25% 0.6% 3
3 ANAL TECH MATH 1 13% 1.1% 5
4 MA 8 1 1 50% 0.2% 1
5 FB MATH 2 0 33% 0.2% 1
6 FB MATH 11 0 25% 0.2% 1
7 LG MATH PHYS 0 25% 0.2% 1
8 MATH FB 08 0 25% 0.2% 1
9 MATHS INFO 0 25% 0.2% 1
10 ANAL TECH MATH VERSICHERUNGSMATH 0 20% 0.2% 1

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000215599 MULTIPARAMETER EIGENVALUE PROBLEMS//TWO PARAMETER//NONLINEAR STURM LIOUVILLE
2 0.0000157652 SECOND STOKES PROBLEM//STRONG EVAPORATION//CONTINUOUS AND DISCRETE SPECTRA
3 0.0000148181 PHASE TRANSITIONS OF FIRST KIND//FERMATS PRINCIPLE IN OPTICS//KINETIC BOUNDARY LAYERS
4 0.0000148175 BOUNDARY EIGENVALUE PROBLEMS//VLADIKAVKAZ SCI//STRONGLY REGULAR BOUNDARY CONDITIONS
5 0.0000142300 UNSATURATED NUMERICAL METHOD//ABEL BASIS PROPERTY//EUCLIDEAN SPACE R N
6 0.0000111175 TRANSPORT OPERATOR//FREDHOLM PERTURBATION//STREAMING OPERATOR
7 0.0000105243 INVERSE NODAL PROBLEM//EIGENPARAMETER DEPENDENT BOUNDARY CONDITIONS//SPECTRAL SINGULARITIES
8 0.0000104027 DISCRETE SYMPLECTIC SYSTEM//CONJOINED BASIS//DISCRETE QUADRATIC FUNCTIONAL
9 0.0000091079 BRANCH HYDROACOUST//GENERALIZED SCHUR FUNCTIONS//CANONICAL SYSTEMS
10 0.0000069032 LEBESGUE TYPE DECOMPOSITION//WEIGHTED SHIFT ON A DIRECTED TREE//ALMOST DOMINATED PART