Scimago Journal & Country Rank

Journal of Operator Theory

CountryRomania
28
H Index
Subject Area and CategoryMathematics
Algebra and Number Theory
PublisherAcademia Romana
Publication typeJournals
ISSN03794024
Coverage1996-1998, 2000-ongoing
Scope The Journal of Operator Theory has a moving wall of five years. The full text files for articles published during the last five years are available only to subscribers. The moving wall is designed to help protect the economic sustainability of our journal. By not making the most current content available on this site, we preserve revenue opportunities from current issues subscriptions, while making sure that the back file is preserved and made continually accessible to scholars. (source)
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
Algebra and Number Theory1997Q3
Algebra and Number Theory1998Q3
Algebra and Number Theory1999Q3
Algebra and Number Theory2000Q3
Algebra and Number Theory2001Q3
Algebra and Number Theory2002Q3
Algebra and Number Theory2003Q2
Algebra and Number Theory2004Q1
Algebra and Number Theory2005Q1
Algebra and Number Theory2006Q2
Algebra and Number Theory2007Q2
Algebra and Number Theory2008Q1
Algebra and Number Theory2009Q2
Algebra and Number Theory2010Q1
Algebra and Number Theory2011Q1
Algebra and Number Theory2012Q2
Algebra and Number Theory2013Q2
Algebra and Number Theory2014Q2
Algebra and Number Theory2015Q1
Algebra and Number Theory2016Q2
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
19990.452
20000.727
20010.624
20020.604
20030.828
20041.287
20051.227
20060.955
20070.901
20081.050
20090.798
20101.042
20111.409
20120.783
20130.812
20140.895
20150.904
20160.780
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)19990.213
Cites / Doc. (4 years)20000.313
Cites / Doc. (4 years)20010.547
Cites / Doc. (4 years)20020.550
Cites / Doc. (4 years)20030.433
Cites / Doc. (4 years)20040.647
Cites / Doc. (4 years)20050.548
Cites / Doc. (4 years)20060.597
Cites / Doc. (4 years)20070.536
Cites / Doc. (4 years)20080.603
Cites / Doc. (4 years)20090.633
Cites / Doc. (4 years)20100.607
Cites / Doc. (4 years)20110.869
Cites / Doc. (4 years)20120.612
Cites / Doc. (4 years)20130.573
Cites / Doc. (4 years)20140.619
Cites / Doc. (4 years)20150.615
Cites / Doc. (4 years)20160.598
Cites / Doc. (3 years)19990.213
Cites / Doc. (3 years)20000.327
Cites / Doc. (3 years)20010.486
Cites / Doc. (3 years)20020.385
Cites / Doc. (3 years)20030.433
Cites / Doc. (3 years)20040.631
Cites / Doc. (3 years)20050.531
Cites / Doc. (3 years)20060.468
Cites / Doc. (3 years)20070.533
Cites / Doc. (3 years)20080.630
Cites / Doc. (3 years)20090.504
Cites / Doc. (3 years)20100.587
Cites / Doc. (3 years)20110.794
Cites / Doc. (3 years)20120.574
Cites / Doc. (3 years)20130.599
Cites / Doc. (3 years)20140.595
Cites / Doc. (3 years)20150.608
Cites / Doc. (3 years)20160.506
Cites / Doc. (2 years)19990.073
Cites / Doc. (2 years)20000.107
Cites / Doc. (2 years)20010.111
Cites / Doc. (2 years)20020.385
Cites / Doc. (2 years)20030.463
Cites / Doc. (2 years)20040.561
Cites / Doc. (2 years)20050.355
Cites / Doc. (2 years)20060.516
Cites / Doc. (2 years)20070.580
Cites / Doc. (2 years)20080.543
Cites / Doc. (2 years)20090.556
Cites / Doc. (2 years)20100.483
Cites / Doc. (2 years)20110.755
Cites / Doc. (2 years)20120.593
Cites / Doc. (2 years)20130.582
Cites / Doc. (2 years)20140.631
Cites / Doc. (2 years)20150.500
Cites / Doc. (2 years)20160.485
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 Cites19990
Self Cites20001
Self Cites20010
Self Cites20020
Self Cites20032
Self Cites20042
Self Cites20058
Self Cites20066
Self Cites20072
Self Cites20082
Self Cites20092
Self Cites20106
Self Cites201111
Self Cites20124
Self Cites20137
Self Cites20143
Self Cites20155
Self Cites20164
Total Cites199917
Total Cites200018
Total Cites200118
Total Cites200220
Total Cites200345
Total Cites200489
Total Cites200577
Total Cites200665
Total Cites200772
Total Cites200880
Total Cites200962
Total Cites201074
Total Cites2011108
Total Cites201278
Total Cites201388
Total Cites201491
Total Cites2015101
Total Cites201680
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 document19990.213
External Cites per document20000.309
External Cites per document20010.486
External Cites per document20020.385
External Cites per document20030.413
External Cites per document20040.617
External Cites per document20050.476
External Cites per document20060.424
External Cites per document20070.519
External Cites per document20080.614
External Cites per document20090.488
External Cites per document20100.540
External Cites per document20110.713
External Cites per document20120.544
External Cites per document20130.551
External Cites per document20140.575
External Cites per document20150.578
External Cites per document20160.481
Cites per document19990.213
Cites per document20000.327
Cites per document20010.486
Cites per document20020.385
Cites per document20030.433
Cites per document20040.631
Cites per document20050.531
Cites per document20060.468
Cites per document20070.533
Cites per document20080.630
Cites per document20090.504
Cites per document20100.587
Cites per document20110.794
Cites per document20120.574
Cites per document20130.599
Cites per document20140.595
Cites per document20150.608
Cites per document20160.506
% 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
19990
200022.22
200139.53
20029.62
200326.09
200425.53
200527.66
200633.33
200720.51
200818.60
200944.44
201040.82
201130.23
201230.36
201329.09
201427.27
201531.25
201641.86
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 documents19990
Non-citable documents20000
Non-citable documents20010
Non-citable documents20020
Non-citable documents20030
Non-citable documents20040
Non-citable documents20050
Non-citable documents20061
Non-citable documents20071
Non-citable documents20081
Non-citable documents20091
Non-citable documents20101
Non-citable documents20111
Non-citable documents20121
Non-citable documents20131
Non-citable documents20141
Non-citable documents20150
Non-citable documents20160
Citable documents199980
Citable documents200055
Citable documents200137
Citable documents200252
Citable documents2003104
Citable documents2004141
Citable documents2005145
Citable documents2006139
Citable documents2007135
Citable documents2008127
Citable documents2009123
Citable documents2010126
Citable documents2011136
Citable documents2012136
Citable documents2013147
Citable documents2014153
Citable documents2015166
Citable documents2016158
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 documents199969
Uncited documents200041
Uncited documents200127
Uncited documents200236
Uncited documents200377
Uncited documents200485
Uncited documents200597
Uncited documents200695
Uncited documents200790
Uncited documents200877
Uncited documents200985
Uncited documents201081
Uncited documents201177
Uncited documents201284
Uncited documents201394
Uncited documents201498
Uncited documents2015101
Uncited documents2016106
Cited documents199911
Cited documents200014
Cited documents200110
Cited documents200216
Cited documents200327
Cited documents200456
Cited documents200548
Cited documents200645
Cited documents200746
Cited documents200851
Cited documents200939
Cited documents201046
Cited documents201160
Cited documents201253
Cited documents201354
Cited documents201456
Cited documents201565
Cited documents201652
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