Class information for:
Level 1: SLOWLY VARYING COEFFICIENTS//QUASI HERMITIAN OPERATORS//COMMUTING MATRIX FUNCTIONS

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
22 4 AUTOMATION & CONTROL SYSTEMS//ENGINEERING, CIVIL//ACOUSTICS 457813
151 3       AUTOMATION & CONTROL SYSTEMS//IEEE TRANSACTIONS ON AUTOMATIC CONTROL//INTERNATIONAL JOURNAL OF CONTROL 64927
226 2             AUTOMATION & CONTROL SYSTEMS//IEEE TRANSACTIONS ON AUTOMATIC CONTROL//INTERNATIONAL JOURNAL OF CONTROL 20155
32268 1                   SLOWLY VARYING COEFFICIENTS//QUASI HERMITIAN OPERATORS//COMMUTING MATRIX FUNCTIONS 154

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SLOWLY VARYING COEFFICIENTS authKW 730910 3% 71% 5
2 QUASI HERMITIAN OPERATORS authKW 460474 2% 75% 3
3 COMMUTING MATRIX FUNCTIONS authKW 409311 1% 100% 2
4 NONLINEAR MATRIX SECOND ORDER SYSTEMS authKW 409311 1% 100% 2
5 SECOND ORDER VECTOR DIFFERENTIAL EQUATION authKW 409311 1% 100% 2
6 EXPONENTIAL STABILIZABILITY authKW 363828 3% 44% 4
7 FREEZING METHOD authKW 216684 4% 18% 6
8 APPROXIMATE CLOSED FORM SOLUTION authKW 204656 1% 100% 1
9 BI INVARIANT LIE GROUP authKW 204656 1% 100% 1
10 D POLE PLACEMENT authKW 204656 1% 100% 1

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Automation & Control Systems 5360 39% 0% 60
2 Mathematics, Applied 1132 34% 0% 53
3 Engineering, Aerospace 991 12% 0% 19
4 Mathematics 438 24% 0% 37
5 Operations Research & Management Science 342 11% 0% 17
6 Engineering, Electrical & Electronic 126 19% 0% 29
7 Instruments & Instrumentation 92 8% 0% 13
8 Acoustics 78 5% 0% 7
9 Mechanics 72 8% 0% 13
10 Engineering, Mechanical 27 5% 0% 8

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ELECT ENGN INFORMAT TECHNOL COMMUN ENGN 34108 1% 17% 1
2 SRM NAGAR 22738 1% 11% 1
3 SRM SCI TECHNOL 18603 1% 9% 1
4 ASE 9744 1% 5% 1
5 TELECOMMUN S 6620 2% 1% 3
6 CIENCIAS EXACTAS 5327 8% 0% 12
7 CONTROL THEORY GUIDANCE TECHNOL 5197 2% 1% 3
8 DIPARTIMENTO INGN INFORMAT GEST AUTOMAZ 4990 1% 2% 1
9 COMP CONTROLLED MECH SYST 3299 1% 2% 1
10 ELE OCOMMUN 2494 1% 1% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 LINEAR ALGEBRA AND ITS APPLICATIONS 6967 13% 0% 20
2 JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 4157 7% 0% 11
3 INTERNATIONAL JOURNAL OF CONTROL 3751 7% 0% 11
4 SYSTEMS & CONTROL LETTERS 3165 5% 0% 8
5 IMA JOURNAL OF MATHEMATICAL CONTROL AND INFORMATION 2687 2% 0% 3
6 IEEE TRANSACTIONS ON AUTOMATIC CONTROL 2161 7% 0% 11
7 JOURNAL OF DIFFERENCE EQUATIONS AND APPLICATIONS 2010 3% 0% 4
8 MATHEMATICS OF CONTROL SIGNALS AND SYSTEMS 1738 1% 0% 2
9 INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL 1418 3% 0% 4
10 SIAM REVIEW 947 1% 0% 2

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SLOWLY VARYING COEFFICIENTS 730910 3% 71% 5 Search SLOWLY+VARYING+COEFFICIENTS Search SLOWLY+VARYING+COEFFICIENTS
2 QUASI HERMITIAN OPERATORS 460474 2% 75% 3 Search QUASI+HERMITIAN+OPERATORS Search QUASI+HERMITIAN+OPERATORS
3 COMMUTING MATRIX FUNCTIONS 409311 1% 100% 2 Search COMMUTING+MATRIX+FUNCTIONS Search COMMUTING+MATRIX+FUNCTIONS
4 NONLINEAR MATRIX SECOND ORDER SYSTEMS 409311 1% 100% 2 Search NONLINEAR+MATRIX+SECOND+ORDER+SYSTEMS Search NONLINEAR+MATRIX+SECOND+ORDER+SYSTEMS
5 SECOND ORDER VECTOR DIFFERENTIAL EQUATION 409311 1% 100% 2 Search SECOND+ORDER+VECTOR+DIFFERENTIAL+EQUATION Search SECOND+ORDER+VECTOR+DIFFERENTIAL+EQUATION
6 EXPONENTIAL STABILIZABILITY 363828 3% 44% 4 Search EXPONENTIAL+STABILIZABILITY Search EXPONENTIAL+STABILIZABILITY
7 FREEZING METHOD 216684 4% 18% 6 Search FREEZING+METHOD Search FREEZING+METHOD
8 APPROXIMATE CLOSED FORM SOLUTION 204656 1% 100% 1 Search APPROXIMATE+CLOSED+FORM+SOLUTION Search APPROXIMATE+CLOSED+FORM+SOLUTION
9 BI INVARIANT LIE GROUP 204656 1% 100% 1 Search BI+INVARIANT+LIE+GROUP Search BI+INVARIANT+LIE+GROUP
10 D POLE PLACEMENT 204656 1% 100% 1 Search D+POLE+PLACEMENT Search D+POLE+PLACEMENT

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 33166 CONTROLLABILITY PROBLEM//HALF AXIS//INFLUENCE OPERATOR
2 31768 AUTONOMOUS CONSERVATIVE SYSTEM//BARNES ALGORITHM//COMPLEX ELECTRIC CIRCUITS
3 31175 BELT WEIGHER//ULTRASPHERICAL FILTER//GROUP DELAY COMPENSATION
4 33503 CAUSAL MAPPINGS//ABSTRACT DIFFERENTIAL DELAY EQUATIONS//ABSTRACT NONLINEAR DIFFERENTIAL DELAY EQUATIONS
5 15538 EIGENSTRUCTURE ASSIGNMENT//POLE ASSIGNMENT//POLE PLACEMENT
6 11519 VOLTERRA DIFFERENCE EQUATIONS//ASYMPTOTIC EQUILIBRIUM//DISCRETE VOLTERRA EQUATIONS
7 27603 MATRIX PENCIL THEORY//MATRIX DIFFERENCE EQUATIONS//FIBONACCI QUARTERLY
8 19571 JOURNAL OF GUIDANCE AND CONTROL//JOURNAL OF GUIDANCE CONTROL AND DYNAMICS//JOURNAL OF INTERDISCIPLINARY MODELING AND SIMULATION
9 3856 INPUT TO STATE STABILITY//CONTROL LYAPUNOV FUNCTION//ADDING A POWER INTEGRATOR
10 11893 EXPONENTIAL DICHOTOMY//NONUNIFORM EXPONENTIAL DICHOTOMIES//UNIFORM EXPONENTIAL STABILITY

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