Class information for:
Level 1: LOWDINS PAIRING THEOREM//ORTHOGONAL GRADIENT METHOD//PAIRING THEOREM

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
6 4 CHEMISTRY, ORGANIC//CHEMISTRY, INORGANIC & NUCLEAR//CHEMISTRY, MULTIDISCIPLINARY 1698077
60 3       PHYSICS, ATOMIC, MOLECULAR & CHEMICAL//CHEMISTRY, PHYSICAL//JOURNAL OF CHEMICAL PHYSICS 92506
882 2             INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY//SLATER TYPE ORBITALS//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL 11599
28569 1                   LOWDINS PAIRING THEOREM//ORTHOGONAL GRADIENT METHOD//PAIRING THEOREM 222

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 LOWDINS PAIRING THEOREM authKW 319426 1% 75% 3
2 ORTHOGONAL GRADIENT METHOD authKW 283935 1% 100% 2
3 PAIRING THEOREM authKW 255539 1% 60% 3
4 OVERLAP REPULSION authKW 189289 1% 67% 2
5 ADAMS GILBERT LOCALIZING OPERATOR authKW 141968 0% 100% 1
6 ANTISYMMETRIC PRODUCT OF STRONGLY ORTHOGONAL GEMINAL APSG authKW 141968 0% 100% 1
7 AO DRIVEN authKW 141968 0% 100% 1
8 C H BOND DISSOCIATION authKW 141968 0% 100% 1
9 COMPLETE BASIS LIMIT authKW 141968 0% 100% 1
10 CORE EXCITATIONS CALULATIONS authKW 141968 0% 100% 1

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Physics, Atomic, Molecular & Chemical 5519 61% 0% 136
2 Chemistry, Physical 3044 76% 0% 168
3 Mathematics, Interdisciplinary Applications 2055 22% 0% 49
4 Chemistry, Multidisciplinary 114 17% 0% 38
5 Computer Science, Interdisciplinary Applications 19 3% 0% 7
6 Multidisciplinary Sciences 3 1% 0% 2
7 Chemistry, Inorganic & Nuclear 1 2% 0% 4
8 Physics, Multidisciplinary 0 2% 0% 5
9 Physics, Mathematical -0 0% 0% 1
10 Chemistry, Organic -0 1% 0% 3

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PROSPEKT AKAD LAVRENTIEVA 5 141968 0% 100% 1
2 QUIMIOMETR SECC QUIM QUANT 141968 0% 100% 1
3 UNIV IST CHIM GEN 141968 0% 100% 1
4 CHEM PHYS CHEM SECT 70983 0% 50% 1
5 MATH NAT WISSEN AFTLICHE SEKT 70983 0% 50% 1
6 HIGH PERFORMANCE TECHNOL INC 35490 0% 25% 1
7 CNR CSRSRC 15772 0% 11% 1
8 DEF THREAT REDUCT AGCY 12904 0% 9% 1
9 IST SPETTROSCOPIA MOLEC 11829 0% 8% 1
10 MICMAC PROJECT 11829 0% 8% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY 28055 21% 0% 47
2 COMPUTERS & CHEMISTRY 5209 3% 1% 6
3 JOURNAL OF MOLECULAR STRUCTURE-THEOCHEM 3161 7% 0% 16
4 CHEMICAL PHYSICS LETTERS 3054 14% 0% 32
5 PROCEEDINGS OF THE INDIAN ACADEMY OF SCIENCES-CHEMICAL SCIENCES 2802 3% 0% 6
6 JOURNAL OF COMPUTATIONAL CHEMISTRY 2721 5% 0% 11
7 JOURNAL OF CHEMICAL PHYSICS 2456 18% 0% 39
8 ADVANCES IN QUANTUM CHEMISTRY 1851 1% 0% 3
9 PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-PHYSICAL SCIENCES 1471 1% 1% 2
10 THEORETICA CHIMICA ACTA 917 1% 0% 3

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 LOWDINS PAIRING THEOREM 319426 1% 75% 3 Search LOWDINS+PAIRING+THEOREM Search LOWDINS+PAIRING+THEOREM
2 ORTHOGONAL GRADIENT METHOD 283935 1% 100% 2 Search ORTHOGONAL+GRADIENT+METHOD Search ORTHOGONAL+GRADIENT+METHOD
3 PAIRING THEOREM 255539 1% 60% 3 Search PAIRING+THEOREM Search PAIRING+THEOREM
4 OVERLAP REPULSION 189289 1% 67% 2 Search OVERLAP+REPULSION Search OVERLAP+REPULSION
5 ADAMS GILBERT LOCALIZING OPERATOR 141968 0% 100% 1 Search ADAMS+GILBERT+LOCALIZING+OPERATOR Search ADAMS+GILBERT+LOCALIZING+OPERATOR
6 ANTISYMMETRIC PRODUCT OF STRONGLY ORTHOGONAL GEMINAL APSG 141968 0% 100% 1 Search ANTISYMMETRIC+PRODUCT+OF+STRONGLY+ORTHOGONAL+GEMINAL+APSG Search ANTISYMMETRIC+PRODUCT+OF+STRONGLY+ORTHOGONAL+GEMINAL+APSG
7 AO DRIVEN 141968 0% 100% 1 Search AO+DRIVEN Search AO+DRIVEN
8 C H BOND DISSOCIATION 141968 0% 100% 1 Search C+H+BOND+DISSOCIATION Search C+H+BOND+DISSOCIATION
9 COMPLETE BASIS LIMIT 141968 0% 100% 1 Search COMPLETE+BASIS+LIMIT Search COMPLETE+BASIS+LIMIT
10 CORE EXCITATIONS CALULATIONS 141968 0% 100% 1 Search CORE+EXCITATIONS+CALULATIONS Search CORE+EXCITATIONS+CALULATIONS

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
1 871 MULTIREFERENCE//COUPLED CLUSTER THEORY//MULTIREFERENCE PERTURBATION THEORY
2 16719 LATTICE SUMMATIONS//PHYS CHEM PHYS CHEM 3//MULTIPLE HARTREE FOCK SOLUTIONS
3 18646 ELECTRON REPULSION INTEGRALS//BOYS FUNCTION//GLOBAL ARRAYS
4 32452 IMPURITY DIPOLES//VIBRONIC COUPLING CONSTANT//COOPERATIVE ORDERING
5 16366 MOLECULAR INFORMATION CHANNELS//MOLECULAR COMMUNICATION SYSTEMS//ORBITAL COMMUNICATION THEORY
6 28277 SEMIEMPIRICAL CI METHODS//COUPLED QUANTUM MECHANICS GREEN FUNCTION//POS FIS
7 17146 CONTRACTED SCHRODINGER EQUATION//REDUCED DENSITY MATRICES//NATURAL ORBITAL FUNCTIONAL
8 33214 ENERGY DEPENDENT PARTITIONING//GENETIC ALGORITHM AND ELECTRONIC STRUCTURE//RAYLEIGH QUOTIENT MINIMIZATION
9 14279 GRADIENT EXTREMAL//VALLEY RIDGE INFLECTION POINT//NEWTON TRAJECTORY
10 22505 ONE ELECTRON DENSITY MATRIX//CHARGE BOND ORDER MATRIX//DIRECT THROUGH SPACE AND INDIRECT THROUGH BOND INTERACTIONS

Go to start page