Class information for:
Level 2: INVERSE NODAL PROBLEM//STURM LIOUVILLE PROBLEMS//EIGENPARAMETER DEPENDENT BOUNDARY CONDITIONS

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
2217 4340 17.2 29%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 3)


ID, lev.
above		 Publications Label for level above
407 26322 PT SYMMETRY//SCHRODINGER OPERATORS//NIKIFOROV UVAROV METHOD

Classes in level below (level 1)


ID, lev. below Publications Label for level below
7077 1332 INVERSE NODAL PROBLEM//EIGENPARAMETER DEPENDENT BOUNDARY CONDITIONS//SPECTRAL SINGULARITIES
10319 1007 DISCRETE SYMPLECTIC SYSTEM//CONJOINED BASIS//DISCRETE QUADRATIC FUNCTIONAL
17099 554 FRANKL PROBLEM//REGULAR BOUNDARY CONDITIONS//HILL OPERATORS
18726 472 INDEFINITE STURM LIOUVILLE PROBLEM//DEFINITIZABLE OPERATOR//KREIN SPACE
20491 396 ANALYTIC NUMERICAL SOLUTION//COUPLED DIFFUSION PROBLEM//CP METHOD
23599 286 MULTIPARAMETER EIGENVALUE PROBLEMS//TWO PARAMETER//NONLINEAR STURM LIOUVILLE
27894 179 SPECTRAL POLLUTION//FBI BARGMANN TRANSFORM//JWKB METHOD
32036 114 BOUNDARY EIGENVALUE PROBLEMS//VLADIKAVKAZ SCI//STRONGLY REGULAR 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 INVERSE NODAL PROBLEM Author keyword 94 97% 1% 28
2 STURM LIOUVILLE PROBLEMS Author keyword 86 68% 2% 76
3 EIGENPARAMETER DEPENDENT BOUNDARY CONDITIONS Author keyword 86 96% 1% 26
4 STURM LIOUVILLE OPERATOR Author keyword 58 58% 2% 66
5 LIMIT POINT CASE Author keyword 45 90% 0% 19
6 DISCRETE SYMPLECTIC SYSTEM Author keyword 42 94% 0% 15
7 CONJOINED BASIS Author keyword 41 90% 0% 18
8 LIMIT CIRCLE CASE Author keyword 38 89% 0% 17
9 DISCRETE QUADRATIC FUNCTIONAL Author keyword 38 93% 0% 14
10 SPECTRAL SINGULARITIES Author keyword 37 81% 1% 22

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 INVERSE NODAL PROBLEM 94 97% 1% 28 Search INVERSE+NODAL+PROBLEM Search INVERSE+NODAL+PROBLEM
2 STURM LIOUVILLE PROBLEMS 86 68% 2% 76 Search STURM+LIOUVILLE+PROBLEMS Search STURM+LIOUVILLE+PROBLEMS
3 EIGENPARAMETER DEPENDENT BOUNDARY CONDITIONS 86 96% 1% 26 Search EIGENPARAMETER+DEPENDENT+BOUNDARY+CONDITIONS Search EIGENPARAMETER+DEPENDENT+BOUNDARY+CONDITIONS
4 STURM LIOUVILLE OPERATOR 58 58% 2% 66 Search STURM+LIOUVILLE+OPERATOR Search STURM+LIOUVILLE+OPERATOR
5 LIMIT POINT CASE 45 90% 0% 19 Search LIMIT+POINT+CASE Search LIMIT+POINT+CASE
6 DISCRETE SYMPLECTIC SYSTEM 42 94% 0% 15 Search DISCRETE+SYMPLECTIC+SYSTEM Search DISCRETE+SYMPLECTIC+SYSTEM
7 CONJOINED BASIS 41 90% 0% 18 Search CONJOINED+BASIS Search CONJOINED+BASIS
8 LIMIT CIRCLE CASE 38 89% 0% 17 Search LIMIT+CIRCLE+CASE Search LIMIT+CIRCLE+CASE
9 DISCRETE QUADRATIC FUNCTIONAL 38 93% 0% 14 Search DISCRETE+QUADRATIC+FUNCTIONAL Search DISCRETE+QUADRATIC+FUNCTIONAL
10 SPECTRAL SINGULARITIES 37 81% 1% 22 Search SPECTRAL+SINGULARITIES Search SPECTRAL+SINGULARITIES

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 EIGENVALUE PARAMETER 115 79% 2% 74
2 EIGENPARAMETER 110 93% 1% 41
3 STURM LIOUVILLE PROBLEMS 90 49% 3% 132
4 HILL OPERATOR 65 95% 0% 21
5 MLAMBDA THEORY 64 100% 0% 21
6 WEYL TITCHMARSH THEORY 53 95% 0% 18
7 DISCONJUGACY 48 57% 1% 57
8 ROOT FUNCTIONS 45 94% 0% 16
9 STURM LIOUVILLE OPERATORS 38 48% 1% 58
10 STURM LIOUVILLE EQUATIONS 35 89% 0% 16

Journals


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 JOURNAL OF SPECTRAL THEORY 1 12% 0% 12

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
Weyl-Titchmarsh M-function asymptotics, local uniqueness results, trace formulas, and Borg-type theorems for Dirac operators 2002 67 53 55%
A REVIEW OF A RIESZ BASIS PROPERTY FOR INDEFINITE STURM-LIOUVILLE PROBLEMS 2011 4 14 100%
Uniqueness results for matrix-valued Schrodinger, Jacobi, and Dirac-type operators 2002 40 59 44%
SIMPLICITY OF EXTREMAL EIGENVALUES OF THE KLEIN-GORDON EQUATION 2011 0 6 83%
HIGHER-ORDER TRACE RELATIONS FOR SCHRODINGER-OPERATORS 1995 11 13 46%
Essential Weyl's spectrum for analytic functions of bounded operators on Banach space 1996 0 2 100%
THE NUMERICAL-SOLUTION OF THE EQUATIONS OF MOLECULAR-SCATTERING 1988 15 17 41%
MULTIPARAMETER EIGENVALUE PROBLEMS AND EXPANSION THEOREMS 1988 0 51 100%
(M)KDV SOLITONS ON THE BACKGROUND OF QUASI-PERIODIC FINITE-GAP SOLUTIONS 1995 0 28 21%
A RANDOM-WALK MODEL FOR DIFFUSION IN THE PRESENCE OF HIGH-DIFFUSIVITY PATHS 1981 1 2 100%

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 ANAL TECH MATH 2 24% 0.2% 9
2 ANAL DYNAM OPTIMIERUNG 2 67% 0.0% 2
3 EDPPM 2 67% 0.0% 2
4 MATH INFORMAT SPACE TECHNOL 2 67% 0.0% 2
5 MATH MA 6 4 2 67% 0.0% 2
6 VAKGRP TOEGEPASTE WISKUNDE INFORMAT 2 24% 0.2% 8
7 VAKGROEP TOEGEPASTE WISKUNDE INFORMAT 2 33% 0.1% 5
8 MATH SCI GRP 2 22% 0.2% 7
9 FB MATH 3 2 33% 0.1% 4
10 ECOLE PONTS PARISTECH INRIA 1 100% 0.0% 2

Related classes at same level (level 2)


Rank Relatedness score Related classes
1 0.0000013513 SCHRODINGER OPERATORS//ANNALES HENRI POINCARE//RANDOM SCHRODINGER OPERATORS
2 0.0000011444 PSEUDOANALYTIC FUNCTION//SPECTRAL PARAMETER POWER SERIES//VEKUA EQUATION
3 0.0000011281 PT SYMMETRY//NIKIFOROV UVAROV METHOD//PSEUDOSPIN SYMMETRY
4 0.0000010456 OSCILLATION//NONOSCILLATION//NONOSCILLATORY SOLUTION
5 0.0000007498 EXPONENTIAL DICHOTOMY//ALMOST AUTOMORPHIC//PIECEWISE CONSTANT ARGUMENT
6 0.0000006370 LINEAR ALGEBRA AND ITS APPLICATIONS//SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS//DRAZIN INVERSE
7 0.0000005846 INVERSE SCATTERING//INVERSE PROBLEMS//MICROWAVE IMAGING
8 0.0000005737 COMPOSITION OPERATOR//INTEGRAL EQUATIONS AND OPERATOR THEORY//BERGMAN SPACE
9 0.0000005056 NULL CONTROLLABILITY//GENERAL DECAY//EXACT CONTROLLABILITY
10 0.0000004811 GENERAL LINEAR METHODS//RUNGE KUTTA METHODS//ORDER CONDITIONS