Class information for:
Level 1: SPECIAL RELATIVITY//AMERICAN JOURNAL OF PHYSICS//TWIN PARADOX

Basic class information

Class id #P Avg. number of
references
Database coverage
of references
14735 753 19.8 26%



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
10 4 OPTICS//PHYSICS, PARTICLES & FIELDS//PHYSICS, MULTIDISCIPLINARY 1131262
506 3       AMERICAN JOURNAL OF PHYSICS//PHYSICS ESSAYS//ADVANCES IN APPLIED CLIFFORD ALGEBRAS 21878
2569 2             PHYSICS ESSAYS//SPECIAL RELATIVITY//AMERICAN JOURNAL OF PHYSICS 3705
14735 1                   SPECIAL RELATIVITY//AMERICAN JOURNAL OF PHYSICS//TWIN PARADOX 753

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 SPECIAL RELATIVITY authKW 577867 11% 18% 80
2 AMERICAN JOURNAL OF PHYSICS journal 360919 33% 4% 248
3 TWIN PARADOX authKW 259502 2% 40% 16
4 EUROPEAN JOURNAL OF PHYSICS journal 200226 14% 5% 102
5 ACCELERATED REFERENCE FRAME authKW 121651 0% 100% 3
6 CONVENTIONALITY OF SIMULTANEITY authKW 112635 1% 56% 5
7 LORENTZ TRANSFORMATION authKW 95644 3% 12% 19
8 ONE WAY VELOCITY OF LIGHT authKW 91237 0% 75% 3
9 FOUNDATIONS OF PHYSICS LETTERS journal 86551 5% 5% 39
10 ACCELERATING REFERENCE FRAME authKW 81100 0% 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 Education, Scientific Disciplines 73584 48% 1% 360
2 Physics, Multidisciplinary 26024 84% 0% 630
3 History & Philosophy of Science 948 4% 0% 30
4 Astronomy & Astrophysics 79 6% 0% 43
5 Physics, Particles & Fields 53 4% 0% 28
6 Philosophy 36 1% 0% 10
7 Physics, Mathematical 5 1% 0% 11
8 Computer Science, Software Engineering 2 1% 0% 7
9 Multidisciplinary Sciences 0 0% 0% 3
10 Education & Educational Research 0 1% 0% 5

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 BC SYST 81100 0% 100% 2
2 ADV SCI TEACHING LEARNING 40550 0% 100% 1
3 ASTRONAUT SPACE 40550 0% 100% 1
4 ESCUELA SUPER INGENIER BILBAO 40550 0% 100% 1
5 FIZ ODSJEK 40550 0% 100% 1
6 GAVITAT WAVE ASTRON 40550 0% 100% 1
7 GRAVITAT THEORY GRP 40550 0% 100% 1
8 MOSCOW STATE PHYSICOTECH 40550 0% 100% 1
9 PRIRODNOSLOVNO MATEMAT FAK 40550 0% 100% 1
10 SECONDARY SCI MATH EDUC IZMIR 40550 0% 100% 1

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 AMERICAN JOURNAL OF PHYSICS 360919 33% 4% 248
2 EUROPEAN JOURNAL OF PHYSICS 200226 14% 5% 102
3 FOUNDATIONS OF PHYSICS LETTERS 86551 5% 5% 39
4 PHYSICS ESSAYS 32540 4% 3% 27
5 FOUNDATIONS OF PHYSICS 18369 5% 1% 36
6 STUDIES IN HISTORY AND PHILOSOPHY OF MODERN PHYSICS 6500 1% 2% 10
7 PHYSICS TEACHER 3620 1% 1% 6
8 REVISTA BRASILEIRA DE ENSINO DE FISICA 3620 1% 1% 6
9 SERBIAN ASTRONOMICAL JOURNAL 1974 0% 2% 2
10 GENERAL RELATIVITY AND GRAVITATION 1519 2% 0% 13

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 SPECIAL RELATIVITY 577867 11% 18% 80 Search SPECIAL+RELATIVITY Search SPECIAL+RELATIVITY
2 TWIN PARADOX 259502 2% 40% 16 Search TWIN+PARADOX Search TWIN+PARADOX
3 ACCELERATED REFERENCE FRAME 121651 0% 100% 3 Search ACCELERATED+REFERENCE+FRAME Search ACCELERATED+REFERENCE+FRAME
4 CONVENTIONALITY OF SIMULTANEITY 112635 1% 56% 5 Search CONVENTIONALITY+OF+SIMULTANEITY Search CONVENTIONALITY+OF+SIMULTANEITY
5 LORENTZ TRANSFORMATION 95644 3% 12% 19 Search LORENTZ+TRANSFORMATION Search LORENTZ+TRANSFORMATION
6 ONE WAY VELOCITY OF LIGHT 91237 0% 75% 3 Search ONE+WAY+VELOCITY+OF+LIGHT Search ONE+WAY+VELOCITY+OF+LIGHT
7 ACCELERATING REFERENCE FRAME 81100 0% 100% 2 Search ACCELERATING+REFERENCE+FRAME Search ACCELERATING+REFERENCE+FRAME
8 LORENTZ ETHER 81100 0% 100% 2 Search LORENTZ+ETHER Search LORENTZ+ETHER
9 NON TIME ORTHOGONAL 81100 0% 100% 2 Search NON+TIME+ORTHOGONAL Search NON+TIME+ORTHOGONAL
10 RELATIVISTIC RIGID MOTION 81100 0% 100% 2 Search RELATIVISTIC+RIGID+MOTION Search RELATIVISTIC+RIGID+MOTION

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 ROWLAND, DR , (2006) NONINERTIAL OBSERVERS IN SPECIAL RELATIVITY AND CLOCK SYNCHRONIZATION DEBATES.FOUNDATIONS OF PHYSICS LETTERS. VOL. 19. ISSUE 2. P. 103-126 28 100% 1
2 SONEGO, S , PIN, M , (2009) FOUNDATIONS OF ANISOTROPIC RELATIVISTIC MECHANICS.JOURNAL OF MATHEMATICAL PHYSICS. VOL. 50. ISSUE 4. P. - 44 51% 8
3 REDZIC, DV , (2014) RELATIVISTIC LENGTH AGONY CONTINUED.SERBIAN ASTRONOMICAL JOURNAL. VOL. 188. ISSUE . P. 55 -65 17 100% 1
4 KASSNER, K , (2012) SPATIAL GEOMETRY OF THE ROTATING DISK AND ITS NON-ROTATING COUNTERPART.AMERICAN JOURNAL OF PHYSICS. VOL. 80. ISSUE 9. P. 772-781 15 100% 2
5 HU, BYK , (2009) RELATIVISTIC MOMENTUM AND KINETIC ENERGY, AND E = MC(2).EUROPEAN JOURNAL OF PHYSICS. VOL. 30. ISSUE 2. P. 325 -330 15 100% 1
6 WEST, J , (2008) A RELATIVISTIC ROTATING FRAME WITH PHYSICS MAJORS, PHOTONS AND MIRRORS: CAUSALITY LOST.EUROPEAN JOURNAL OF PHYSICS. VOL. 29. ISSUE 5. P. 885 -900 17 89% 1
7 LIANG, ML , XU, LF , (2014) DIFFERENTIAL LORENTZ TRANSFORMATION FROM THE PRINCIPLE OF RELATIVITY WITH AN ASSUMPTION OF INVARIANT SPEED AND IMPOSSIBILITY OF SUPERLUMINAL MOTION.PHYSICA SCRIPTA. VOL. 89. ISSUE 7. P. - 14 93% 0
8 SHELDON, E , (2003) RELATIVISTIC TWINS OR SEXTUPLETS?.EUROPEAN JOURNAL OF PHYSICS. VOL. 24. ISSUE 1. P. 91 -99 19 83% 4
9 FALCIANO, FT , (2007) RELATIVISTIC KINEMATICS: TWIN PARADOX.REVISTA BRASILEIRA DE ENSINO DE FISICA. VOL. 29. ISSUE 1. P. 19-24 15 94% 0
10 WEST, J , (2007) A LIGHT CLOCK SATISFYING THE CLOCK HYPOTHESIS OF SPECIAL RELATIVITY.EUROPEAN JOURNAL OF PHYSICS. VOL. 28. ISSUE 4. P. 693-703 14 93% 2

Classes with closest relation at Level 1



Rank Class id link
1 23904 PHYSICS ESSAYS//EUCLIDEAN SPACE TIME//SPECIAL RELATIVITY
2 26518 CLEA FUND//METRIC THEORY OF GRAVITY//MODIFIED LORENTZ TRANSFORMATIONS
3 18600 SPACETIME TANGENT BUNDLE//MAXIMAL ACCELERATION//MAXIMAL PROPER ACCELERATION
4 25827 COSMOLOGY REDSHIFT//PROGRAM PL MATH//OBSERVABLE UNIVERSE
5 35550 SUBQUANTUM KINETICS//BIMETRIC MODEL//GRAVITY IN A FLAT SPACE TIME
6 28755 GENERALIZED NEWTONIAN THEORY//DPTO MATEMAT ECON EMP A//ECON FINANCERA MATEMAT
7 18179 SHAPE DYNAMICS//STUDIES IN HISTORY AND PHILOSOPHY OF MODERN PHYSICS//PROBLEM OF TIME
8 19739 GYROGROUP//THOMAS ROTATION//WIGNERS LITTLE GROUPS
9 18755 LINEAR FINITE AUTOMATON//JEFIMENKOS EQUATIONS//WEAKLY INVERTIBLE
10 25996 RELATIVISTIC BOUNDARY CONDITIONS//CHARACTERISTIC VARIABLE BOUNDARY CONDITIONS//DGSEM

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