Scimago Journal & Country Rank

Optimization Letters



Universities and research institutions in Germany

Subject Area and Category


Springer Verlag



Publication type



18624472, 18624480





How to publish in this journal


Optimization Letters is an international journal covering all aspects of optimization, including theory, algorithms, computational studies, and applications, and providing an outlet for rapid publication of short communications in the field. Originality, significance, quality and clarity are the essential criteria for choosing the material to be published. Optimization Letters has been expanding in all directions at an astonishing rate during the last few decades. New algorithmic and theoretical techniques have been developed, the diffusion into other disciplines has proceeded at a rapid pace, and our knowledge of all aspects of the field has grown even more profound. At the same time one of the most striking trends in optimization is the constantly increasing interdisciplinary nature of the field. Optimization Letters aims to communicate in a timely fashion all recent developments in optimization with concise short articles (limited to a total of ten journal pages). Such concise articles will be easily accessible by readers working in any aspects of optimization and wish to be informed of recent developments. Join the conversation about this journal

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.

Control and Optimization2008Q4
Control and Optimization2009Q3
Control and Optimization2010Q2
Control and Optimization2011Q2
Control and Optimization2012Q1
Control and Optimization2013Q2
Control and Optimization2014Q2
Control and Optimization2015Q2
Control and Optimization2016Q1
Control and Optimization2017Q2
Control and Optimization2018Q1
Control and Optimization2019Q1
Control and Optimization2020Q1

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.

Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

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)20070.000
Cites / Doc. (4 years)20080.472
Cites / Doc. (4 years)20091.146
Cites / Doc. (4 years)20101.059
Cites / Doc. (4 years)20111.227
Cites / Doc. (4 years)20121.789
Cites / Doc. (4 years)20131.498
Cites / Doc. (4 years)20141.236
Cites / Doc. (4 years)20151.250
Cites / Doc. (4 years)20161.338
Cites / Doc. (4 years)20171.434
Cites / Doc. (4 years)20181.742
Cites / Doc. (4 years)20191.796
Cites / Doc. (4 years)20202.173
Cites / Doc. (3 years)20070.000
Cites / Doc. (3 years)20080.472
Cites / Doc. (3 years)20091.146
Cites / Doc. (3 years)20101.059
Cites / Doc. (3 years)20111.181
Cites / Doc. (3 years)20121.766
Cites / Doc. (3 years)20131.336
Cites / Doc. (3 years)20141.227
Cites / Doc. (3 years)20151.250
Cites / Doc. (3 years)20161.394
Cites / Doc. (3 years)20171.383
Cites / Doc. (3 years)20181.716
Cites / Doc. (3 years)20191.935
Cites / Doc. (3 years)20202.007
Cites / Doc. (2 years)20070.000
Cites / Doc. (2 years)20080.472
Cites / Doc. (2 years)20091.146
Cites / Doc. (2 years)20100.929
Cites / Doc. (2 years)20111.252
Cites / Doc. (2 years)20121.695
Cites / Doc. (2 years)20131.175
Cites / Doc. (2 years)20141.160
Cites / Doc. (2 years)20151.252
Cites / Doc. (2 years)20161.250
Cites / Doc. (2 years)20171.268
Cites / Doc. (2 years)20181.833
Cites / Doc. (2 years)20191.897
Cites / Doc. (2 years)20201.748
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 Cites20070
Self Cites20081
Self Cites20095
Self Cites20109
Self Cites20119
Self Cites201253
Self Cites201340
Self Cites201449
Self Cites201525
Self Cites201617
Self Cites201734
Self Cites201823
Self Cites201934
Self Cites202048
Total Cites20070
Total Cites200817
Total Cites200994
Total Cites2010143
Total Cites2011176
Total Cites2012279
Total Cites2013342
Total Cites2014427
Total Cites2015600
Total Cites2016605
Total Cites2017574
Total Cites2018611
Total Cites2019743
Total Cites2020831
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 document20070
External Cites per document20080.457
External Cites per document20091.099
External Cites per document20101.000
External Cites per document20111.121
External Cites per document20121.430
External Cites per document20131.194
External Cites per document20141.109
External Cites per document20151.221
External Cites per document20161.377
External Cites per document20171.324
External Cites per document20181.695
External Cites per document20191.896
External Cites per document20201.933
Cites per document20070.000
Cites per document20080.472
Cites per document20091.146
Cites per document20101.059
Cites per document20111.181
Cites per document20121.766
Cites per document20131.336
Cites per document20141.227
Cites per document20151.250
Cites per document20161.394
Cites per document20171.383
Cites per document20181.716
Cites per document20191.935
Cites per document20202.007
% 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 documents20070
Non-citable documents20081
Non-citable documents20091
Non-citable documents20101
Non-citable documents20110
Non-citable documents20120
Non-citable documents20133
Non-citable documents20147
Non-citable documents20159
Non-citable documents20167
Non-citable documents20177
Non-citable documents20189
Non-citable documents201910
Non-citable documents20209
Citable documents20070
Citable documents200835
Citable documents200981
Citable documents2010134
Citable documents2011149
Citable documents2012158
Citable documents2013253
Citable documents2014341
Citable documents2015471
Citable documents2016427
Citable documents2017408
Citable documents2018347
Citable documents2019374
Citable documents2020405
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 documents20070
Uncited documents200827
Uncited documents200944
Uncited documents201075
Uncited documents201172
Uncited documents201248
Uncited documents2013109
Uncited documents2014154
Uncited documents2015223
Uncited documents2016186
Uncited documents2017178
Uncited documents2018121
Uncited documents2019143
Uncited documents2020154
Cited documents20070
Cited documents20089
Cited documents200938
Cited documents201060
Cited documents201177
Cited documents2012110
Cited documents2013147
Cited documents2014194
Cited documents2015257
Cited documents2016248
Cited documents2017237
Cited documents2018235
Cited documents2019241
Cited documents2020260
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