Class information for:
Level 1: POSITIVE TRIGONOMETRIC SUMS//FEJER JACKSON INEQUALITY//RELATIVE WIDTH

Basic class information

Class id #P Avg. number of
references
Database coverage
of references
33318 126 15.6 20%



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
15 4 MATHEMATICS//MATHEMATICS, APPLIED//MATH 719832
609 3       FIXED POINT//HYERS ULAM STABILITY//PITMAN RESEARCH NOTES IN MATHEMATICS SERIES 14179
2288 2             MODULUS OF CONTINUITY//JOURNAL OF APPROXIMATION THEORY//MODULUS OF SMOOTHNESS 4575
33318 1                   POSITIVE TRIGONOMETRIC SUMS//FEJER JACKSON INEQUALITY//RELATIVE WIDTH 126

Terms with highest relevance score



rank Term termType Chi square Shr. of publ. in
class containing
term
Class's shr. of
term's tot. occurrences
#P with
term in
class
1 POSITIVE TRIGONOMETRIC SUMS authKW 1246348 5% 86% 6
2 FEJER JACKSON INEQUALITY authKW 727037 2% 100% 3
3 RELATIVE WIDTH authKW 673178 4% 56% 5
4 INFINITE DIMENSIONAL WIDTH authKW 545277 2% 75% 3
5 APPROXIMATION OF SOBOLEV CLASSES authKW 484692 2% 100% 2
6 AVERAGE SIGMA K WIDTH authKW 484692 2% 100% 2
7 COSINE SUMS authKW 484692 2% 100% 2
8 PERIODIC CONVOLUTION CLASS authKW 484692 2% 100% 2
9 POSITIVE SUMMABILITY KERNEL authKW 484692 2% 100% 2
10 POSITIVE TRIGONOMETRIC SUM authKW 484692 2% 100% 2

Web of Science journal categories



Rank Term Chi square Shr. of publ. in
class containing
term
Class's shr. of
term's tot. occurrences
#P with
term in
class
1 Mathematics 5508 89% 0% 112
2 Mathematics, Applied 396 23% 0% 29
3 Multidisciplinary Sciences 38 3% 0% 4
4 Mathematics, Interdisciplinary Applications 18 3% 0% 4
5 Computer Science, Software Engineering 8 2% 0% 3
6 History & Philosophy of Science 5 1% 0% 1
7 Mechanics 2 2% 0% 3
8 Statistics & Probability 0 1% 0% 1
9 Computer Science, Theory & Methods 0 1% 0% 1

Address terms



Rank Term Chi square Shr. of publ. in
class containing
term
Class's shr. of
term's tot. occurrences
#P with
term in
class
1 CIENCIAS COMPUTAC ESTATIST 242346 1% 100% 1
2 OFF VICE CHANCELLOR PRINCIPAL 242346 1% 100% 1
3 CIENCIA COMPUTACAO ESTATIST 60585 1% 25% 1
4 CIENCIAS COMP ESTAT 8653 1% 4% 1
5 MATH COMPLEX SYST 3011 2% 0% 3
6 VA STEKLOV MATH 3010 3% 0% 4
7 STEKLOV MATH 2966 2% 0% 3
8 MATH MECH 2469 5% 0% 6
9 MATH STAT 1244 15% 0% 19
10 MATH SCI 646 12% 0% 15

Journals



Rank Term Chi square Shr. of publ. in
class containing
term
Class's shr. of
term's tot. occurrences
#P with
term in
class
1 MATHEMATICAL NOTES 12456 13% 0% 16
2 JOURNAL OF APPROXIMATION THEORY 7091 8% 0% 10
3 ANALYSIS MATHEMATICA 6775 2% 1% 2
4 SBORNIK MATHEMATICS 3911 4% 0% 5
5 INTERNATIONAL JOURNAL OF WAVELETS MULTIRESOLUTION AND INFORMATION PROCESSING 3294 2% 0% 3
6 ANALYSIS AND APPLICATIONS 2979 2% 1% 2
7 IZVESTIYA MATHEMATICS 2431 2% 0% 3
8 CONSTRUCTIVE APPROXIMATION 2188 2% 0% 3
9 VESTNIK MOSKOVSKOGO UNIVERSITETA SERIYA 1 MATEMATIKA MEKHANIKA 2105 2% 0% 3
10 MATHEMATICAL PROCEEDINGS OF THE CAMBRIDGE PHILOSOPHICAL SOCIETY 1892 4% 0% 5

Author Key Words



Rank Term Chi square Shr. of publ. in
class containing
term
Class's shr. of
term's tot. occurrences
#P with
term in
class
LCSH search Wikipedia search
1 POSITIVE TRIGONOMETRIC SUMS 1246348 5% 86% 6 Search POSITIVE+TRIGONOMETRIC+SUMS Search POSITIVE+TRIGONOMETRIC+SUMS
2 FEJER JACKSON INEQUALITY 727037 2% 100% 3 Search FEJER+JACKSON+INEQUALITY Search FEJER+JACKSON+INEQUALITY
3 RELATIVE WIDTH 673178 4% 56% 5 Search RELATIVE+WIDTH Search RELATIVE+WIDTH
4 INFINITE DIMENSIONAL WIDTH 545277 2% 75% 3 Search INFINITE+DIMENSIONAL+WIDTH Search INFINITE+DIMENSIONAL+WIDTH
5 APPROXIMATION OF SOBOLEV CLASSES 484692 2% 100% 2 Search APPROXIMATION+OF+SOBOLEV+CLASSES Search APPROXIMATION+OF+SOBOLEV+CLASSES
6 AVERAGE SIGMA K WIDTH 484692 2% 100% 2 Search AVERAGE+SIGMA+K+WIDTH Search AVERAGE+SIGMA+K+WIDTH
7 COSINE SUMS 484692 2% 100% 2 Search COSINE+SUMS Search COSINE+SUMS
8 PERIODIC CONVOLUTION CLASS 484692 2% 100% 2 Search PERIODIC+CONVOLUTION+CLASS Search PERIODIC+CONVOLUTION+CLASS
9 POSITIVE SUMMABILITY KERNEL 484692 2% 100% 2 Search POSITIVE+SUMMABILITY+KERNEL Search POSITIVE+SUMMABILITY+KERNEL
10 POSITIVE TRIGONOMETRIC SUM 484692 2% 100% 2 Search POSITIVE+TRIGONOMETRIC+SUM Search POSITIVE+TRIGONOMETRIC+SUM

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.



Rank Reference # ref.
in cl.
Shr. of ref. in
cl.
Citations
1 ALZER, H , KOUMANDOS, S , (2013) A SHARP INEQUALITY FOR A TRIGONOMETRIC SUM.MEDITERRANEAN JOURNAL OF MATHEMATICS. VOL. 10. ISSUE 1. P. 313 -320 12 100% 0
2 MONDAL, SR , SWARNINATHANI, A , (2011) ON THE POSITIVITY OF CERTAIN TRIGONOMETRIC SUMS AND THEIR APPLICATIONS.COMPUTERS & MATHEMATICS WITH APPLICATIONS. VOL. 62. ISSUE 10. P. 3871-3883 11 92% 2
3 MONDAL, SR , SWAMINATHAN, A , (2012) STABLE FUNCTIONS AND EXTENSION OF VIETORIS' THEOREM.RESULTS IN MATHEMATICS. VOL. 62. ISSUE 1-2. P. 33-51 9 100% 0
4 ALZER, H , KOUMANDOS, S , (2004) SHARP INEQUALITIES FOR TRIGONOMETRIC SUMS IN TWO VARIABLES.ILLINOIS JOURNAL OF MATHEMATICS. VOL. 48. ISSUE 3. P. 887 -907 11 92% 7
5 ALZER, H , KOUMANDOS, S , (2003) INEQUALITIES OF FEJER-JACKSON TYPE.MONATSHEFTE FUR MATHEMATIK. VOL. 139. ISSUE 2. P. 89 -103 10 100% 7
6 XIAO, WW , (2011) RELATIVE WIDTHS OF FUNCTION CLASSES OF L (2)(T) DEFINED BY A LINEAR DIFFERENTIAL OPERATOR IN L (Q) (T).ANALYSIS MATHEMATICA. VOL. 37. ISSUE 1. P. 65-81 8 100% 0
7 ALZER, H , SHI, XQ , (2009) SHARP BOUNDS FOR TRIGONOMETRIC POLYNOMIALS IN TWO VARIABLES.ANALYSIS AND APPLICATIONS. VOL. 7. ISSUE 4. P. 341-350 8 100% 0
8 KOUMANDOS, S , (2007) AN EXTENSION OF VIETORIS'S INEQUALITIES.RAMANUJAN JOURNAL. VOL. 14. ISSUE 1. P. 1 -38 8 100% 9
9 ALZER, H , LIU, XP , SHI, XQ , (2013) INEQUALITIES FOR ALTERNATING TRIGONOMETRIC SUMS.RESULTS IN MATHEMATICS. VOL. 63. ISSUE 3-4. P. 1215-1223 7 100% 0
10 ALZER, H , KOUMANDOS, S , (2007) A NEW REFINEMENT OF YOUNG'S INEQUALITY.PROCEEDINGS OF THE EDINBURGH MATHEMATICAL SOCIETY. VOL. 50. ISSUE . P. 255 -262 8 100% 1

Classes with closest relation at Level 1



Rank Class id link
1 20588 QUASI GREEDY BASIS//THRESHOLDING GREEDY ALGORITHM//BEST M TERM APPROXIMATION
2 23990 MINIMAL PROJECTION//PROJECTION CONSTANTS//COMONOTONE APPROXIMATION
3 12598 GAMMA FUNCTION//PSI FUNCTION//COMPLETELY MONOTONIC FUNCTION
4 19898 ENTROPY NUMBERS//APPROXIMATION NUMBERS//COMPACT EMBEDDINGS
5 24647 MODULI OF SMOOTHNESS//K FUNCTIONAL//MODULUS OF SMOOTHNESS
6 24267 GENERALIZED MODULUS OF CONTINUITY//JACKSONS INEQUALITY//JACKSON INEQUALITY
7 26206 OPTIMAL RECOVERY//UNIFORMLY DISTRIBUTED GRIDS//THEORET MATH SCI COMPUTAT
8 5622 ANALYTIC FUNCTIONS//STARLIKE FUNCTIONS//DIFFERENTIAL SUBORDINATION
9 35452 PARTIAL AUTOCORRELATION FUNCTIONS//RIGID FUNCTIONS//BAXTERS CONDITION
10 12574 GENERALIZED SAMPLING//AVERAGE SAMPLING//SAMPLING THEOREM

Go to start page