Class information for:
Level 1: DIPARTIMENTO CHIM FIS MATEMAT//TOEPLITZ MATRIX//PCG METHOD

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
15440 642 20.0 46%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
1067 9498 LINEAR ALGEBRA AND ITS APPLICATIONS//SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS//DRAZIN INVERSE

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 DIPARTIMENTO CHIM FIS MATEMAT Address 25 73% 3% 19
2 TOEPLITZ MATRIX Author keyword 19 19% 14% 93
3 PCG METHOD Author keyword 17 63% 3% 17
4 OPTIMAL PRECONDITIONER Author keyword 12 86% 1% 6
5 CIRCULANT MATRIX Author keyword 11 21% 7% 47
6 CAUCHY HANKEL MATRIX Author keyword 9 83% 1% 5
7 TOEPLITZ MATRICES Author keyword 8 17% 7% 44
8 CIRCULANT PRECONDITIONING Author keyword 8 100% 1% 5
9 SUPEROPTIMAL PRECONDITIONER Author keyword 8 100% 1% 5
10 PRECONDITIONED CONJUGATE GRADIENT METHOD Author keyword 7 20% 5% 31

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 TOEPLITZ MATRIX 19 19% 14% 93 Search TOEPLITZ+MATRIX Search TOEPLITZ+MATRIX
2 PCG METHOD 17 63% 3% 17 Search PCG+METHOD Search PCG+METHOD
3 OPTIMAL PRECONDITIONER 12 86% 1% 6 Search OPTIMAL+PRECONDITIONER Search OPTIMAL+PRECONDITIONER
4 CIRCULANT MATRIX 11 21% 7% 47 Search CIRCULANT+MATRIX Search CIRCULANT+MATRIX
5 CAUCHY HANKEL MATRIX 9 83% 1% 5 Search CAUCHY+HANKEL+MATRIX Search CAUCHY+HANKEL+MATRIX
6 TOEPLITZ MATRICES 8 17% 7% 44 Search TOEPLITZ+MATRICES Search TOEPLITZ+MATRICES
7 CIRCULANT PRECONDITIONING 8 100% 1% 5 Search CIRCULANT+PRECONDITIONING Search CIRCULANT+PRECONDITIONING
8 SUPEROPTIMAL PRECONDITIONER 8 100% 1% 5 Search SUPEROPTIMAL+PRECONDITIONER Search SUPEROPTIMAL+PRECONDITIONER
9 PRECONDITIONED CONJUGATE GRADIENT METHOD 7 20% 5% 31 Search PRECONDITIONED+CONJUGATE+GRADIENT+METHOD Search PRECONDITIONED+CONJUGATE+GRADIENT+METHOD
10 BLOCK CIRCULANT PRECONDITIONER 7 67% 1% 6 Search BLOCK+CIRCULANT+PRECONDITIONER Search BLOCK+CIRCULANT+PRECONDITIONER

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 CIRCULANT PRECONDITIONERS 81 75% 9% 59
2 CIRCULANT PRECONDITIONER 54 72% 7% 43
3 TOEPLITZ SYSTEMS 46 44% 12% 79
4 NONNEGATIVE GENERATING FUNCTIONS 37 100% 2% 14
5 ODE CODES 15 63% 2% 15
6 FIRST ORDER PDES 11 100% 1% 6
7 UNIFYING APPROACH 8 70% 1% 7
8 TRANSFORM BASED PRECONDITIONERS 8 75% 1% 6
9 TOEPLITZ MATRICES 7 19% 6% 36
10 DEBLURRING MODELS 7 42% 2% 13

Journals

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
Conjugate gradient methods for toeplitz systems 1996 358 90 60%
On the inverse of circulant matrix via generalized k-Horadam numbers 2013 0 11 55%

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 DIPARTIMENTO CHIM FIS MATEMAT 25 73% 3.0% 19
2 SEDE COMO 4 30% 1.7% 11
3 DIPARTIMENTO FIS MATEMAT 3 16% 2.8% 18
4 GI TACA 1 50% 0.2% 1
5 MATH ART SCI 1 50% 0.2% 1
6 UNIT BUSINESS MATH INFORMAT 1 17% 0.5% 3
7 COMP ARCHITECTU TELECOMMUN 0 33% 0.2% 1
8 ELECT TELECOMUNICACOES INFORMAT IEETA 0 33% 0.2% 1
9 SCI COMP INFORMAT TECHNOL 0 15% 0.3% 2
10 ESCOLA TECN SUPER ENGN IND 0 11% 0.3% 2

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000213781 DISPLACEMENT STRUCTURE//IMMITTANCE ALGORITHMS//GENERALIZED SCHUR ALGORITHM
2 0.0000171063 STRONG SZEGO LIMIT THEOREM//SINGULAR SYMBOL//STRONG SZEGO WIDOM LIMIT THEOREM
3 0.0000107838 HERMITIAN AND SKEW HERMITIAN SPLITTING//SADDLE POINT PROBLEMS//SADDLE POINT PROBLEM
4 0.0000103136 DECOMPOSABLE TENSORS//RANK PARTITION//MATROID COLORINGS
5 0.0000101092 JORDANS FORM//TRIDIAGONAL MATRICES//ANTI TRIDIAGONAL MATRICES
6 0.0000079769 DISCREPANCY PRINCIPLE//DYNAMICAL SYSTEMS METHOD DSM//NONLINEAR ILL POSED PROBLEMS
7 0.0000077741 SPECTRAL POLLUTION//FBI BARGMANN TRANSFORM//JWKB METHOD
8 0.0000070783 MECHANICAL QUADRATURE METHOD//SPLITTING EXTRAPOLATION//HEAT POTENTIALS
9 0.0000061887 GMRES//NONSYMMETRIC LINEAR SYSTEMS//KRYLOV SUBSPACE METHODS
10 0.0000053582 PASCAL MATRIX//FIBONACCI QUARTERLY//K NACCI SEQUENCE