| Name | Affiliation | period | 
| MOHAMMAD MARUF AHMED | MNS DEPARTMENT, BRAC UNIVERSITY, DHAKA, BANGLADESH | 
     
     14 January 2015 
     - 9 February 2015 | 
  
| Alexandre Bouayad | University of Cambridge | 
     
     15 December 2014 
     - 20 December 2014 11 January 2015 - 18 January 2015  | 
  
| Filippo Callegaro | University of Pisa | 
     
     9 December 2014 
     - 28 February 2015 | 
  
| Nicoletta Cantarini | Dipartimento di Matematica, Universita` di Bologna | 
     
     
     
     21 January 2015 
     - 21 January 2015 21 January 2015 - 22 January 2015 26 January 2015 - 26 January 2015 30 January 2015 - 30 January 2015  | 
  
| Giovanna Carnovale | Universita' di Padova | 
     
     18 January 2015 
     - 6 February 2015 | 
  
| Sylvain Carpentier | MIT graduate student | 
     
     11 January 2015 
     - 23 January 2015 | 
  
| Matteo Casati | SISSA, Trieste | 
     
     9 December 2014 
     - 23 December 2014 12 January 2015 - 16 January 2015  | 
  
| Giovanni Cerulli Irelli | Sapienza-Università di Roma | 
     
     9 December 2014 
     - 28 February 2015 | 
  
| Seung-Il Choi | Sogang University | 
     
     18 January 2015 
     - 5 February 2015 | 
  
| Giulio Codogni | Università Roma Tre | 
     
     18 January 2015 
     - 7 February 2015 | 
  
| Carlo Collari | Università degli studi di Firenze | 
     
     9 December 2014 
     - 28 February 2015 | 
  
| Sourav Das | Chennai Mathematical Institute | 
     
     9 December 2014 
     - 28 February 2015 | 
  
| Sabino Di Trani | Università degli Studi di Pisa | 
     
     9 December 2014 
     - 28 February 2015 | 
  
| Salvatore Dolce | Universisty of Edinburgh | 
     
     17 January 2015 
     - 7 February 2015 18 February 2015 - 7 February 2015  | 
  
| Laura Fedele | none | 
     
     9 December 2014 
     - 20 December 2014 12 January 2015 - 6 February 2015  | 
  
| Rita Fioresi | University of Bologna | 
     
     9 January 2015 
     - 6 February 2015 | 
  
| Fabio Gavarini | Università di Roma "Tor Vergata" - Dipartimento di Matematica | 
     
     18 January 2015 
     - 7 February 2015 | 
  
| Naoki Genra | Graduate school of Research Institute for Mathematical Sciences, Kyoto University | 
     
     8 December 2014 
     - 19 January 2015 | 
  
| Tamás F. Görbe | Department of Theoretical Physics, University of Szeged | 
     
     8 December 2014 
     - 22 December 2014 9 January 2015 - 19 January 2015  | 
  
| Jing-Song Huang | Hong Kong University of Science and Technology | 
     
     18 January 2015 
     - 7 February 2015 | 
  
| Daniel Juteau | CNRS, Université de Caen | 
     
     18 January 2015 
     - 6 February 2015 | 
  
| Byeong Hoon Kahng | Seoul National University | 
     
     6 January 2015 
     - 17 January 2015 | 
  
| Kazuya Kawasetsu | University of Tokyo | 
     
     8 December 2014 
     - 24 December 2014 11 January 2015 - 17 January 2015  | 
  
| Cheikh Khoulé | Université Cheikh Anta Diop de Dakar | 
     
     9 December 2014 
     - 28 February 2015 | 
  
| Dongwoo Kim | Seoul National University | 
     
     6 January 2015 
     - 17 January 2015 | 
  
| Namhoon Kim | Hongik University | 
     
     11 January 2015 
     - 17 January 2015 | 
  
| Martina Lanini | FAU Erlangen-Nuernberg | 
     
     8 December 2014 
     - 6 February 2015 | 
  
| Junseok Lee | Seoul National University | 
     
     6 January 2015 
     - 17 January 2015 | 
  
| Paul Levy | Lancaster University | 
     
     18 January 2015 
     - 6 February 2015 | 
  
| Nicolas Libedinsky | Universidad de Chile | 
     
     18 January 2015 
     - 31 January 2015 | 
  
| Ievgen Makedonskyi | HSE, department of mathematics | 
     
     12 January 2015 
     - 28 February 2015 | 
  
| Sergiy Maksymenko | Institute of Mathematics of NAS of Ukraine, Kyiv, Ukraine | 
     
     10 January 2015 
     - 18 January 2015 | 
  
| Gunter Malle | TU Kaiserslautern, Germany | 
     
     18 January 2015 
     - 30 January 2015 | 
  
| Diana Mandar | Indonesian Mathematical Society | 
     
     9 December 2014 
     - 28 February 2015 | 
  
| Mathieu Mansuy | University of Bologna | 
     
     9 December 2014 
     - 20 December 2014 12 January 2015 - 18 January 2015 4 February 2015 - 4 February 2015  | 
  
| Ivan Martino | University of Fribourg | 
     
     18 January 2015 
     - 28 February 2015 | 
  
| Davide Masoero | Lisbon University - Group of Mathematical Physics | 
     
     8 December 2014 
     - 23 December 2014 12 January 2015 - 18 January 2015  | 
  
| Joanna Meinel | MPIM/University of Bonn | 
     
     17 January 2015 
     - 7 February 2015 | 
  
| Masahiko Miyamoto | University of Tsukuba | 
     
     11 January 2015 
     - 15 January 2015 | 
  
| Luca Moci | Université Paris 7 | 
     
     18 January 2015 
     - 28 February 2015 | 
  
| Pierluigi Moseneder | Politecnico di Milano | |
| Sunyoung Nam | Sogang university | 
     
     18 January 2015 
     - 5 February 2015 | 
  
| Hyungju Park | Seoul National University | 
     
     6 January 2015 
     - 17 January 2015 | 
  
| Ozren Perse | University of Zagreb, Croatia | 
     
     11 January 2015 
     - 17 January 2015 | 
  
| Alexey Petukhov | The University of Manchester | 
     
     18 January 2015 
     - 7 February 2015 | 
  
| Alexander Premet | University of Manchester | 
     
     18 January 2015 
     - 7 February 2015 | 
  
| Andrea Raimondo | Universita' Milano Bicocca | 
     
     9 December 2014 
     - 23 December 2014 12 January 2015 - 16 January 2015  | 
  
| Biswajit Ransingh | IMSc Chennai India | 
     
     9 December 2014 
     - 7 February 2015 | 
  
| Jorgen Rasmussen | University of Queensland | 
     
     9 December 2014 
     - 18 January 2015 | 
  
| Vidas Regelskis | University of Surrey | 
     
     8 December 2014 
     - 23 December 2014 11 January 2015 - 7 February 2015  | 
  
| Francesco G. Russo | University of Cape Town | 
     
     15 January 2015 
     - 30 January 2015 | 
  
| Mario Salvetti | Dipartimento di Matematica, Università di Pisa | 
     
     9 December 2014 
     - 28 February 2015 | 
  
| Neil Saunders | University of Bristol | 
     
     18 January 2015 
     - 30 January 2015 | 
  
| Clayton Silva | Universidade Federal de Viçosa, Brazil | 
     
     
     
     9 December 2014 
     - 20 December 2014 12 January 2015 - 18 January 2015 19 January 2015 - 6 February 2015 8 February 2015 - 28 February 2015  | 
  
| Rudolf Tange | University of Leeds | 
     
     18 January 2015 
     - 7 February 2015 | 
  
| Jay Taylor | EPFL | 
     
     18 January 2015 
     - 6 February 2015 | 
  
| Ronan Terpereau | Mainz Universität | 
     
     18 January 2015 
     - 23 January 2015 | 
  
| Donna Testerman | École Polytechnique Fédérale de Lausanne | 
     
     18 January 2015 
     - 30 January 2015 | 
  
| Lewis William Topley | University of York | 
     
     9 December 2014 
     - 23 December 2014 18 January 2015 - 6 February 2015  | 
  
| Daniele Valeri | SISSA, Italy (end 30.09.2014) | 
     
     8 December 2014 
     - 7 February 2015 | 
  
| Geordie Williamson | Max-Planck-Institute, Bonn | 
     
     18 January 2015 
     - 1 February 2015 | 
  
| Christian Yeke | CRSAT | 
     
     9 December 2014 
     - 1 March 2015 | 
  
| Chia Zargeh | Institute Computationl Mathematics | 
     
     18 January 2015 
     - 7 February 2015 | 
  
| Yongchang Zhu | Hong Kong University of Science and Technology | 
     
     27 December 2014 
     - 3 January 2015 12 January 2015 - 18 January 2015  | 
  
| Ignacio Zurrian | Universidad Nacional de Córdoba | 
     
     11 January 2015 
     - 7 February 2015 |