Class information for:
Level 1: CONTROLLABILITY PROBLEM//HALF AXIS//INFLUENCE OPERATOR

Basic class information

Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes

The table includes all classes above and classes immediately below the current class.



Cluster id Level Cluster label #P
14 4 MATHEMATICS//MATHEMATICS, APPLIED//MATH 912822
587 3       PROPER ORTHOGONAL DECOMPOSITION//SIAM JOURNAL ON CONTROL AND OPTIMIZATION//DISTRIBUTED PARAMETER SYSTEMS 15113
1712 2             CARLEMAN ESTIMATES//NULL CONTROLLABILITY//GENERAL DECAY 6970
33166 1                   CONTROLLABILITY PROBLEM//HALF AXIS//INFLUENCE OPERATOR 142

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CONTROLLABILITY PROBLEM authKW 1678495 8% 69% 11
2 HALF AXIS authKW 1359446 5% 88% 7
3 INFLUENCE OPERATOR authKW 443901 1% 100% 2
4 MODIFIED SOBOLEV SPACE authKW 399509 2% 60% 3
5 HAMILTON PONTRYAGIN FUNCTIONS authKW 295933 1% 67% 2
6 KASTAMONU EGITIM FAK address 295933 1% 67% 2
7 APPROXIMATE CONTROL authKW 221951 1% 100% 1
8 BANG BANG OFF authKW 221951 1% 100% 1
9 BILGISAYAR OGRETIM TEKNOL BOLUMU address 221951 1% 100% 1
10 BILGISAYAR OGRETIM TEKNOLOJILERI BOLUMU address 221951 1% 100% 1

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Mathematics, Applied 3278 60% 0% 85
2 Automation & Control Systems 1150 19% 0% 27
3 Mathematics 401 24% 0% 34
4 Operations Research & Management Science 374 12% 0% 17
5 Instruments & Instrumentation 102 9% 0% 13
6 Physics, Mathematical 75 7% 0% 10
7 Engineering, Industrial 31 3% 0% 4
8 Mechanics 25 6% 0% 8
9 Computer Science, Interdisciplinary Applications 25 4% 0% 6
10 Mathematics, Interdisciplinary Applications 15 3% 0% 4

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 KASTAMONU EGITIM FAK 295933 1% 67% 2
2 BILGISAYAR OGRETIM TEKNOL BOLUMU 221951 1% 100% 1
3 BILGISAYAR OGRETIM TEKNOLOJILERI BOLUMU 221951 1% 100% 1
4 ENGN INTERNET THINGS 221951 1% 100% 1
5 ERZURUM MESLEK YUKSEK OKULU 221951 1% 100% 1
6 SUSUZ VOCAT 221951 1% 100% 1
7 ARBEITSGRP 10 110974 1% 50% 1
8 MATEMAT BOLUMU 92224 6% 5% 8
9 TEKNIK PROGRAMLAR BOLUMU 73982 1% 33% 1
10 DECIS SCI ENGN 36990 1% 17% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF MATHEMATICAL PHYSICS ANALYSIS GEOMETRY 46175 4% 3% 6
2 AUTOMATION AND REMOTE CONTROL 5723 7% 0% 10
3 MATHEMATICAL CONTROL AND RELATED FIELDS 5377 1% 1% 2
4 JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS 3465 6% 0% 9
5 ZEITSCHRIFT FUR ANALYSIS UND IHRE ANWENDUNGEN 2672 2% 0% 3
6 NUMERICAL METHODS FOR PARTIAL DIFFERENTIAL EQUATIONS 2512 3% 0% 4
7 ESAIM-CONTROL OPTIMISATION AND CALCULUS OF VARIATIONS 2472 2% 0% 3
8 APPLIED MATHEMATICS AND COMPUTATION 2102 9% 0% 13
9 DIFFERENTIAL EQUATIONS 2051 4% 0% 6
10 ARCHIVES OF CONTROL SCIENCES 2016 1% 1% 1

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 CONTROLLABILITY PROBLEM 1678495 8% 69% 11 Search CONTROLLABILITY+PROBLEM Search CONTROLLABILITY+PROBLEM
2 HALF AXIS 1359446 5% 88% 7 Search HALF+AXIS Search HALF+AXIS
3 INFLUENCE OPERATOR 443901 1% 100% 2 Search INFLUENCE+OPERATOR Search INFLUENCE+OPERATOR
4 MODIFIED SOBOLEV SPACE 399509 2% 60% 3 Search MODIFIED+SOBOLEV+SPACE Search MODIFIED+SOBOLEV+SPACE
5 HAMILTON PONTRYAGIN FUNCTIONS 295933 1% 67% 2 Search HAMILTON+PONTRYAGIN+FUNCTIONS Search HAMILTON+PONTRYAGIN+FUNCTIONS
6 APPROXIMATE CONTROL 221951 1% 100% 1 Search APPROXIMATE+CONTROL Search APPROXIMATE+CONTROL
7 BANG BANG OFF 221951 1% 100% 1 Search BANG+BANG+OFF Search BANG+BANG+OFF
8 CHATTERING SOLUTIONS 221951 1% 100% 1 Search CHATTERING+SOLUTIONS Search CHATTERING+SOLUTIONS
9 CONTINUOUS OPTIMAL CONTROL PROBLEMS 221951 1% 100% 1 Search CONTINUOUS+OPTIMAL+CONTROL+PROBLEMS Search CONTINUOUS+OPTIMAL+CONTROL+PROBLEMS
10 CONTROL BOUNDED BY A HARD CONSTANT 221951 1% 100% 1 Search CONTROL+BOUNDED+BY+A+HARD+CONSTANT Search CONTROL+BOUNDED+BY+A+HARD+CONSTANT

Core articles

The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1



rank cluster_id2 link
1 36541 A S UFR//MACS GRP//REGIONAL OBSERVABILITY
2 7223 CARLEMAN ESTIMATES//NULL CONTROLLABILITY//CARLEMAN INEQUALITIES
3 32268 SLOWLY VARYING COEFFICIENTS//QUASI HERMITIAN OPERATORS//COMMUTING MATRIX FUNCTIONS
4 33094 DIFFERENTIAL DIFFERENCE EQUAT//HULL OF AN ALMOST PERIODIC MATRIX//LYAPUNOV DIFFERENTIAL EQUATION
5 31698 BEST PARAMETERS//BARBASHIN TYPE EQUATIONS//FUNCTIONALS WITH DEVIATING ARGUMENTS
6 37435 AILAMAZYAN PROGRAM SYST//STABIL NONLINEAR DYNAM STUDIES//ANAL FORECASTING NAT TECHNOL RISKS ECON D
7 6233 STATE CONSTRAINTS//OPTIMAL CONTROL PROBLEM//ETSI IND TELECOMUNICAC
8 28636 AEROELASTIC MODES//ROOT VECTORS//CONVOLUTION INTEGRAL OPERATOR
9 31159 PURSUER//EVADER//EVASION PROBLEM
10 599 GENERAL DECAY//RELAXATION FUNCTION//ENERGY DECAY

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