Scimago Journal & Country Rank

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences

Country United Kingdom  - SIR icon SIR Ranking of United Kingdom
H Index
Subject Area and CategoryEngineering
Engineering (miscellaneous)

Mathematics (miscellaneous)

Physics and Astronomy
Physics and Astronomy (miscellaneous)
PublisherThe Royal Society
Publication typeJournals
ISSN1364503X, 14712962
Coverage1969-1971, 1974-1975, 1977-1983, 1985-1988, 1991-ongoing
Scope Each issue of Philosophical Transactions A is devoted to a specific area of the mathematical, physical and engineering sciences. This area will define a research frontier that is advancing rapidly, often bridging traditional disciplines. The journal is essential reading for mathematicians, physicists, engineers and other physical scientists.


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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.

Engineering (miscellaneous)1999Q1
Engineering (miscellaneous)2000Q1
Engineering (miscellaneous)2001Q1
Engineering (miscellaneous)2002Q1
Engineering (miscellaneous)2003Q1
Engineering (miscellaneous)2004Q1
Engineering (miscellaneous)2005Q1
Engineering (miscellaneous)2006Q1
Engineering (miscellaneous)2007Q1
Engineering (miscellaneous)2008Q1
Engineering (miscellaneous)2009Q1
Engineering (miscellaneous)2010Q1
Engineering (miscellaneous)2011Q1
Engineering (miscellaneous)2012Q1
Engineering (miscellaneous)2013Q1
Engineering (miscellaneous)2014Q1
Engineering (miscellaneous)2015Q1
Engineering (miscellaneous)2016Q1
Engineering (miscellaneous)2017Q1
Mathematics (miscellaneous)1999Q2
Mathematics (miscellaneous)2000Q2
Mathematics (miscellaneous)2001Q2
Mathematics (miscellaneous)2002Q2
Mathematics (miscellaneous)2003Q2
Mathematics (miscellaneous)2004Q2
Mathematics (miscellaneous)2005Q1
Mathematics (miscellaneous)2006Q1
Mathematics (miscellaneous)2007Q1
Mathematics (miscellaneous)2008Q2
Mathematics (miscellaneous)2009Q1
Mathematics (miscellaneous)2010Q1
Mathematics (miscellaneous)2011Q1
Mathematics (miscellaneous)2012Q1
Mathematics (miscellaneous)2013Q1
Mathematics (miscellaneous)2014Q2
Mathematics (miscellaneous)2015Q2
Mathematics (miscellaneous)2016Q1
Mathematics (miscellaneous)2017Q1
Physics and Astronomy (miscellaneous)1999Q2
Physics and Astronomy (miscellaneous)2000Q2
Physics and Astronomy (miscellaneous)2001Q2
Physics and Astronomy (miscellaneous)2002Q2
Physics and Astronomy (miscellaneous)2003Q2
Physics and Astronomy (miscellaneous)2004Q2
Physics and Astronomy (miscellaneous)2005Q2
Physics and Astronomy (miscellaneous)2006Q1
Physics and Astronomy (miscellaneous)2007Q1
Physics and Astronomy (miscellaneous)2008Q2
Physics and Astronomy (miscellaneous)2009Q2
Physics and Astronomy (miscellaneous)2010Q1
Physics and Astronomy (miscellaneous)2011Q1
Physics and Astronomy (miscellaneous)2012Q1
Physics and Astronomy (miscellaneous)2013Q1
Physics and Astronomy (miscellaneous)2014Q2
Physics and Astronomy (miscellaneous)2015Q2
Physics and Astronomy (miscellaneous)2016Q1
Physics and Astronomy (miscellaneous)2017Q1

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)19991.396
Cites / Doc. (4 years)20001.544
Cites / Doc. (4 years)20011.571
Cites / Doc. (4 years)20021.797
Cites / Doc. (4 years)20031.763
Cites / Doc. (4 years)20041.779
Cites / Doc. (4 years)20052.137
Cites / Doc. (4 years)20062.348
Cites / Doc. (4 years)20072.280
Cites / Doc. (4 years)20082.724
Cites / Doc. (4 years)20092.652
Cites / Doc. (4 years)20103.413
Cites / Doc. (4 years)20113.679
Cites / Doc. (4 years)20123.564
Cites / Doc. (4 years)20134.075
Cites / Doc. (4 years)20143.506
Cites / Doc. (4 years)20153.289
Cites / Doc. (4 years)20162.952
Cites / Doc. (4 years)20172.901
Cites / Doc. (3 years)19991.396
Cites / Doc. (3 years)20001.546
Cites / Doc. (3 years)20011.609
Cites / Doc. (3 years)20021.800
Cites / Doc. (3 years)20031.649
Cites / Doc. (3 years)20041.633
Cites / Doc. (3 years)20052.196
Cites / Doc. (3 years)20062.429
Cites / Doc. (3 years)20072.375
Cites / Doc. (3 years)20082.330
Cites / Doc. (3 years)20092.832
Cites / Doc. (3 years)20103.447
Cites / Doc. (3 years)20113.218
Cites / Doc. (3 years)20123.723
Cites / Doc. (3 years)20133.945
Cites / Doc. (3 years)20143.205
Cites / Doc. (3 years)20152.805
Cites / Doc. (3 years)20162.859
Cites / Doc. (3 years)20172.832
Cites / Doc. (2 years)19991.330
Cites / Doc. (2 years)20001.548
Cites / Doc. (2 years)20011.482
Cites / Doc. (2 years)20021.771
Cites / Doc. (2 years)20031.417
Cites / Doc. (2 years)20041.629
Cites / Doc. (2 years)20052.295
Cites / Doc. (2 years)20062.513
Cites / Doc. (2 years)20071.723
Cites / Doc. (2 years)20082.455
Cites / Doc. (2 years)20092.656
Cites / Doc. (2 years)20102.932
Cites / Doc. (2 years)20113.329
Cites / Doc. (2 years)20123.537
Cites / Doc. (2 years)20133.592
Cites / Doc. (2 years)20142.397
Cites / Doc. (2 years)20152.515
Cites / Doc. (2 years)20162.747
Cites / Doc. (2 years)20172.553
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 Cites19992
Self Cites20004
Self Cites20013
Self Cites20026
Self Cites20039
Self Cites200410
Self Cites200529
Self Cites200645
Self Cites20072
Self Cites200826
Self Cites200938
Self Cites201075
Self Cites201146
Self Cites201214
Self Cites201366
Self Cites201428
Self Cites201531
Self Cites201628
Self Cites201725
Total Cites1999592
Total Cites2000711
Total Cites2001832
Total Cites2002936
Total Cites2003854
Total Cites2004849
Total Cites20051153
Total Cites20061309
Total Cites20071318
Total Cites20081347
Total Cites20091920
Total Cites20102599
Total Cites20112819
Total Cites20123399
Total Cites20133689
Total Cites20143080
Total Cites20152687
Total Cites20162808
Total Cites20172891
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 document19991.392
External Cites per document20001.537
External Cites per document20011.603
External Cites per document20021.788
External Cites per document20031.631
External Cites per document20041.613
External Cites per document20052.141
External Cites per document20062.345
External Cites per document20072.371
External Cites per document20082.285
External Cites per document20092.776
External Cites per document20103.347
External Cites per document20113.166
External Cites per document20123.708
External Cites per document20133.875
External Cites per document20143.176
External Cites per document20152.772
External Cites per document20162.831
External Cites per document20172.807
Cites per document19991.396
Cites per document20001.546
Cites per document20011.609
Cites per document20021.800
Cites per document20031.649
Cites per document20041.633
Cites per document20052.196
Cites per document20062.429
Cites per document20072.375
Cites per document20082.330
Cites per document20092.832
Cites per document20103.447
Cites per document20113.218
Cites per document20123.723
Cites per document20133.945
Cites per document20143.205
Cites per document20152.805
Cites per document20162.859
Cites per document20172.832
% 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 documents19991
Non-citable documents20000
Non-citable documents20010
Non-citable documents200212
Non-citable documents200318
Non-citable documents200423
Non-citable documents200520
Non-citable documents200617
Non-citable documents200723
Non-citable documents200819
Non-citable documents200928
Non-citable documents201028
Non-citable documents201137
Non-citable documents201242
Non-citable documents201345
Non-citable documents201446
Non-citable documents201545
Non-citable documents201634
Non-citable documents201733
Citable documents1999424
Citable documents2000460
Citable documents2001517
Citable documents2002520
Citable documents2003518
Citable documents2004520
Citable documents2005525
Citable documents2006539
Citable documents2007555
Citable documents2008578
Citable documents2009678
Citable documents2010754
Citable documents2011876
Citable documents2012913
Citable documents2013935
Citable documents2014961
Citable documents2015958
Citable documents2016982
Citable documents20171021
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 documents1999202
Uncited documents2000199
Uncited documents2001248
Uncited documents2002257
Uncited documents2003255
Uncited documents2004258
Uncited documents2005204
Uncited documents2006199
Uncited documents2007206
Uncited documents2008198
Uncited documents2009257
Uncited documents2010234
Uncited documents2011248
Uncited documents2012254
Uncited documents2013252
Uncited documents2014299
Uncited documents2015287
Uncited documents2016307
Uncited documents2017319
Cited documents1999223
Cited documents2000261
Cited documents2001269
Cited documents2002275
Cited documents2003281
Cited documents2004285
Cited documents2005341
Cited documents2006357
Cited documents2007372
Cited documents2008399
Cited documents2009449
Cited documents2010548
Cited documents2011665
Cited documents2012701
Cited documents2013728
Cited documents2014708
Cited documents2015716
Cited documents2016709
Cited documents2017735
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