Scimago Journal & Country Rank

Optimization Letters

Country Germany  - SIR icon SIR Ranking of Germany
36
H Index
Subject Area and CategoryMathematics
Control and Optimization
PublisherSpringer Verlag
Publication typeJournals
ISSN18624472, 18624480
Coverage2007-2020
Scope 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.

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Quartiles

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.

CategoryYearQuartile
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
SJR

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.

YearSJR
20080.347
20090.554
20100.689
20110.643
20121.205
20130.649
20140.689
20150.730
20160.897
20170.721
20180.779
20190.735
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)20080.486
Cites / Doc. (4 years)20091.160
Cites / Doc. (4 years)20101.060
Cites / Doc. (4 years)20111.250
Cites / Doc. (4 years)20121.819
Cites / Doc. (4 years)20131.552
Cites / Doc. (4 years)20141.285
Cites / Doc. (4 years)20151.234
Cites / Doc. (4 years)20161.390
Cites / Doc. (4 years)20171.315
Cites / Doc. (4 years)20181.545
Cites / Doc. (4 years)20191.708
Cites / Doc. (3 years)20070.000
Cites / Doc. (3 years)20080.486
Cites / Doc. (3 years)20091.160
Cites / Doc. (3 years)20101.060
Cites / Doc. (3 years)20111.201
Cites / Doc. (3 years)20121.804
Cites / Doc. (3 years)20131.391
Cites / Doc. (3 years)20141.283
Cites / Doc. (3 years)20151.231
Cites / Doc. (3 years)20161.459
Cites / Doc. (3 years)20171.222
Cites / Doc. (3 years)20181.453
Cites / Doc. (3 years)20191.810
Cites / Doc. (2 years)20070.000
Cites / Doc. (2 years)20080.486
Cites / Doc. (2 years)20091.160
Cites / Doc. (2 years)20100.919
Cites / Doc. (2 years)20111.282
Cites / Doc. (2 years)20121.752
Cites / Doc. (2 years)20131.207
Cites / Doc. (2 years)20141.226
Cites / Doc. (2 years)20151.232
Cites / Doc. (2 years)20161.265
Cites / Doc. (2 years)20171.037
Cites / Doc. (2 years)20181.510
Cites / Doc. (2 years)20191.780
Total Cites 
Self-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.

CitesYearValue
Self Cites20070
Self Cites20081
Self Cites20095
Self Cites20109
Self Cites201110
Self Cites201256
Self Cites201344
Self Cites201449
Self Cites201522
Self Cites201619
Self Cites201734
Self Cites201820
Self Cites201958
Total Cites20070
Total Cites200817
Total Cites200994
Total Cites2010142
Total Cites2011179
Total Cites2012285
Total Cites2013352
Total Cites2014440
Total Cites2015591
Total Cites2016623
Total Cites2017496
Total Cites2018491
Total Cites2019677
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.

CitesYearValue
External Cites per document20070
External Cites per document20080.457
External Cites per document20091.099
External Cites per document20100.993
External Cites per document20111.134
External Cites per document20121.449
External Cites per document20131.217
External Cites per document20141.140
External Cites per document20151.185
External Cites per document20161.415
External Cites per document20171.138
External Cites per document20181.393
External Cites per document20191.655
Cites per document20070.000
Cites per document20080.486
Cites per document20091.160
Cites per document20101.060
Cites per document20111.201
Cites per document20121.804
Cites per document20131.391
Cites per document20141.283
Cites per document20151.231
Cites per document20161.459
Cites per document20171.222
Cites per document20181.453
Cites per document20191.810
% 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
200718.92
200834.04
200920.75
201035.29
201123.21
201227.63
201326.35
201419.70
201525.00
201634.15
201735.66
201836.23
201934.09
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.

DocumentsYearValue
Non-citable documents20070
Non-citable documents20082
Non-citable documents20093
Non-citable documents20103
Non-citable documents20112
Non-citable documents20122
Non-citable documents20136
Non-citable documents201413
Non-citable documents201518
Non-citable documents201615
Non-citable documents201711
Non-citable documents201810
Non-citable documents201916
Citable documents20070
Citable documents200835
Citable documents200981
Citable documents2010134
Citable documents2011149
Citable documents2012158
Citable documents2013253
Citable documents2014343
Citable documents2015480
Citable documents2016427
Citable documents2017406
Citable documents2018338
Citable documents2019374
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.

DocumentsYearValue
Uncited documents20070
Uncited documents200828
Uncited documents200946
Uncited documents201077
Uncited documents201173
Uncited documents201248
Uncited documents2013110
Uncited documents2014159
Uncited documents2015234
Uncited documents2016189
Uncited documents2017192
Uncited documents2018136
Uncited documents2019151
Cited documents20070
Cited documents20089
Cited documents200938
Cited documents201060
Cited documents201178
Cited documents2012112
Cited documents2013149
Cited documents2014197
Cited documents2015264
Cited documents2016253
Cited documents2017225
Cited documents2018212
Cited documents2019239
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