30 | IHES Annual Report 2020
INVITED RESEARCHERS
2011 2012 2013 2014 2015* 2016 2017 2018 2019 2020
Mathematics 140 152 157 167 143 198 175 136 141 70
Physics 31 33 33 36 34 35 37 38 40 17
Other 8 5 6 8 8 9 11 9 7 5
Total 179 190 196 211 185 242 223 183 189 92
NUMBER OF MONTHS
2011 2012 2013 2014 2015* 2016 2017 2018 2019 2020
Mathematics 360 360 414 449 341 333 382 365 317 275
Physics 98 63 75 92 82 91 87 76 71 54
Other 56 29 41 33 43 45 47 32 30 32
Total 514 452 530 574 466 469 516 473 418 361
AVERAGE LENGTH OF VISITS
2011 2012 2013 2014 2015* 2016 2017 2018 2019 2020
In months 2.87 2.38 2.70 2;72 2.52 1.94 2.31 2.58 2.21 3.93
* Since 2015, CNRS researchers as well as the Université Cergy Pontoise IHES Chair holder are no longer included in the invited researchers total.
Number of Invited Researchers and Length of Visits by Speciality
In vi
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