Scimago Journal & Country Rank

European Journal of Combinatorics

Country United States  - SIR icon SIR Ranking of United States
H Index
Subject Area and CategoryComputer Science
Computational Theory and Mathematics

Discrete Mathematics and Combinatorics
Geometry and Topology
Theoretical Computer Science
PublisherElsevier Inc.
Publication typeJournals
ISSN10959971, 01956698
Scope The European Journal of Combinatorics is an international, bimonthly journal of pure mathematics, specializing in theories arising from combinatorial problems. The journal is primarily open to papers dealing with mathematical structures within combinatorics and/or establishing direct links between combinatorics and other branches of mathematics and the theories of computing. The journal includes full-length research papers, short notes, and research problems on important topics.


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The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Computational Theory and Mathematics1999Q1
Computational Theory and Mathematics2000Q3
Computational Theory and Mathematics2001Q2
Computational Theory and Mathematics2002Q2
Computational Theory and Mathematics2003Q1
Computational Theory and Mathematics2004Q2
Computational Theory and Mathematics2005Q2
Computational Theory and Mathematics2006Q1
Computational Theory and Mathematics2007Q1
Computational Theory and Mathematics2008Q1
Computational Theory and Mathematics2009Q1
Computational Theory and Mathematics2010Q1
Computational Theory and Mathematics2011Q1
Computational Theory and Mathematics2012Q1
Computational Theory and Mathematics2013Q1
Computational Theory and Mathematics2014Q1
Computational Theory and Mathematics2015Q1
Computational Theory and Mathematics2016Q1
Computational Theory and Mathematics2017Q1
Computational Theory and Mathematics2018Q1
Discrete Mathematics and Combinatorics1999Q2
Discrete Mathematics and Combinatorics2000Q3
Discrete Mathematics and Combinatorics2001Q2
Discrete Mathematics and Combinatorics2002Q2
Discrete Mathematics and Combinatorics2003Q1
Discrete Mathematics and Combinatorics2004Q2
Discrete Mathematics and Combinatorics2005Q2
Discrete Mathematics and Combinatorics2006Q1
Discrete Mathematics and Combinatorics2007Q1
Discrete Mathematics and Combinatorics2008Q1
Discrete Mathematics and Combinatorics2009Q1
Discrete Mathematics and Combinatorics2010Q1
Discrete Mathematics and Combinatorics2011Q1
Discrete Mathematics and Combinatorics2012Q1
Discrete Mathematics and Combinatorics2013Q1
Discrete Mathematics and Combinatorics2014Q1
Discrete Mathematics and Combinatorics2015Q1
Discrete Mathematics and Combinatorics2016Q1
Discrete Mathematics and Combinatorics2017Q1
Discrete Mathematics and Combinatorics2018Q1
Geometry and Topology1999Q2
Geometry and Topology2000Q3
Geometry and Topology2001Q2
Geometry and Topology2002Q2
Geometry and Topology2003Q2
Geometry and Topology2004Q2
Geometry and Topology2005Q2
Geometry and Topology2006Q1
Geometry and Topology2007Q1
Geometry and Topology2008Q1
Geometry and Topology2009Q1
Geometry and Topology2010Q1
Geometry and Topology2011Q1
Geometry and Topology2012Q2
Geometry and Topology2013Q1
Geometry and Topology2014Q2
Geometry and Topology2015Q2
Geometry and Topology2016Q2
Geometry and Topology2017Q1
Geometry and Topology2018Q1
Theoretical Computer Science1999Q1
Theoretical Computer Science2000Q2
Theoretical Computer Science2001Q2
Theoretical Computer Science2002Q2
Theoretical Computer Science2003Q1
Theoretical Computer Science2004Q2
Theoretical Computer Science2005Q1
Theoretical Computer Science2006Q1
Theoretical Computer Science2007Q1
Theoretical Computer Science2008Q1
Theoretical Computer Science2009Q1
Theoretical Computer Science2010Q1
Theoretical Computer Science2011Q1
Theoretical Computer Science2012Q1
Theoretical Computer Science2013Q1
Theoretical Computer Science2014Q1
Theoretical Computer Science2015Q1
Theoretical Computer Science2016Q1
Theoretical Computer Science2017Q1
Theoretical Computer Science2018Q1

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19990.448
Cites / Doc. (4 years)20000.369
Cites / Doc. (4 years)20010.381
Cites / Doc. (4 years)20020.507
Cites / Doc. (4 years)20030.483
Cites / Doc. (4 years)20040.429
Cites / Doc. (4 years)20050.492
Cites / Doc. (4 years)20060.710
Cites / Doc. (4 years)20070.706
Cites / Doc. (4 years)20080.742
Cites / Doc. (4 years)20090.820
Cites / Doc. (4 years)20100.819
Cites / Doc. (4 years)20110.890
Cites / Doc. (4 years)20120.898
Cites / Doc. (4 years)20130.976
Cites / Doc. (4 years)20140.843
Cites / Doc. (4 years)20150.851
Cites / Doc. (4 years)20160.866
Cites / Doc. (4 years)20171.057
Cites / Doc. (4 years)20181.062
Cites / Doc. (3 years)19990.448
Cites / Doc. (3 years)20000.333
Cites / Doc. (3 years)20010.371
Cites / Doc. (3 years)20020.500
Cites / Doc. (3 years)20030.490
Cites / Doc. (3 years)20040.421
Cites / Doc. (3 years)20050.443
Cites / Doc. (3 years)20060.732
Cites / Doc. (3 years)20070.693
Cites / Doc. (3 years)20080.704
Cites / Doc. (3 years)20090.790
Cites / Doc. (3 years)20100.839
Cites / Doc. (3 years)20110.925
Cites / Doc. (3 years)20120.889
Cites / Doc. (3 years)20130.922
Cites / Doc. (3 years)20140.839
Cites / Doc. (3 years)20150.806
Cites / Doc. (3 years)20160.856
Cites / Doc. (3 years)20171.061
Cites / Doc. (3 years)20181.041
Cites / Doc. (2 years)19990.434
Cites / Doc. (2 years)20000.331
Cites / Doc. (2 years)20010.294
Cites / Doc. (2 years)20020.495
Cites / Doc. (2 years)20030.437
Cites / Doc. (2 years)20040.333
Cites / Doc. (2 years)20050.399
Cites / Doc. (2 years)20060.743
Cites / Doc. (2 years)20070.641
Cites / Doc. (2 years)20080.652
Cites / Doc. (2 years)20090.831
Cites / Doc. (2 years)20100.843
Cites / Doc. (2 years)20110.910
Cites / Doc. (2 years)20120.862
Cites / Doc. (2 years)20130.865
Cites / Doc. (2 years)20140.810
Cites / Doc. (2 years)20150.768
Cites / Doc. (2 years)20160.872
Cites / Doc. (2 years)20171.018
Cites / Doc. (2 years)20181.033
Total Cites 

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Self Cites199916
Self Cites200021
Self Cites200114
Self Cites200225
Self Cites200322
Self Cites200412
Self Cites20059
Self Cites200615
Self Cites200728
Self Cites200833
Self Cites200943
Self Cites201053
Self Cites201149
Self Cites201237
Self Cites201327
Self Cites201450
Self Cites201527
Self Cites201634
Self Cites201739
Self Cites201825
Total Cites1999107
Total Cites200081
Total Cites200195
Total Cites2002132
Total Cites2003143
Total Cites2004117
Total Cites2005120
Total Cites2006186
Total Cites2007183
Total Cites2008231
Total Cites2009323
Total Cites2010411
Total Cites2011469
Total Cites2012416
Total Cites2013414
Total Cites2014329
Total Cites2015362
Total Cites2016376
Total Cites2017484
Total Cites2018402
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

External Cites per document19990.381
External Cites per document20000.247
External Cites per document20010.316
External Cites per document20020.405
External Cites per document20030.414
External Cites per document20040.378
External Cites per document20050.410
External Cites per document20060.673
External Cites per document20070.587
External Cites per document20080.604
External Cites per document20090.685
External Cites per document20100.731
External Cites per document20110.828
External Cites per document20120.810
External Cites per document20130.862
External Cites per document20140.712
External Cites per document20150.746
External Cites per document20160.779
External Cites per document20170.976
External Cites per document20180.977
Cites per document19990.448
Cites per document20000.333
Cites per document20010.371
Cites per document20020.500
Cites per document20030.490
Cites per document20040.421
Cites per document20050.443
Cites per document20060.732
Cites per document20070.693
Cites per document20080.704
Cites per document20090.790
Cites per document20100.839
Cites per document20110.925
Cites per document20120.889
Cites per document20130.922
Cites per document20140.839
Cites per document20150.806
Cites per document20160.856
Cites per document20171.061
Cites per document20181.041
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Non-citable documents19990
Non-citable documents20000
Non-citable documents20010
Non-citable documents20020
Non-citable documents20030
Non-citable documents20041
Non-citable documents20057
Non-citable documents20069
Non-citable documents200710
Non-citable documents20088
Non-citable documents20099
Non-citable documents201012
Non-citable documents201113
Non-citable documents201212
Non-citable documents201310
Non-citable documents20149
Non-citable documents201512
Non-citable documents201618
Non-citable documents201717
Non-citable documents201813
Citable documents1999239
Citable documents2000243
Citable documents2001256
Citable documents2002264
Citable documents2003292
Citable documents2004278
Citable documents2005271
Citable documents2006254
Citable documents2007264
Citable documents2008328
Citable documents2009409
Citable documents2010490
Citable documents2011507
Citable documents2012468
Citable documents2013449
Citable documents2014392
Citable documents2015449
Citable documents2016439
Citable documents2017456
Citable documents2018386
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Uncited documents1999167
Uncited documents2000188
Uncited documents2001188
Uncited documents2002184
Uncited documents2003197
Uncited documents2004198
Uncited documents2005196
Uncited documents2006162
Uncited documents2007157
Uncited documents2008205
Uncited documents2009254
Uncited documents2010263
Uncited documents2011273
Uncited documents2012257
Uncited documents2013250
Uncited documents2014221
Uncited documents2015269
Uncited documents2016252
Uncited documents2017235
Uncited documents2018191
Cited documents199972
Cited documents200055
Cited documents200168
Cited documents200280
Cited documents200395
Cited documents200481
Cited documents200582
Cited documents2006101
Cited documents2007117
Cited documents2008131
Cited documents2009164
Cited documents2010239
Cited documents2011247
Cited documents2012223
Cited documents2013209
Cited documents2014180
Cited documents2015192
Cited documents2016205
Cited documents2017238
Cited documents2018208
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