| Name | Affiliation | period |
| Nancy Abdallah | Université Nice Sophia-Antipolis, laboratoire J.-A. Dieudonné |
7 February 2015
- 28 February 2015 |
| Takuro Abe | Kyoto University |
17 February 2015
- 21 February 2015 |
| Alejandro Adem | University of British Columbia |
15 February 2015
- 28 February 2015 |
| MOHAMMAD MARUF AHMED | MNS DEPARTMENT, BRAC UNIVERSITY, DHAKA, BANGLADESH |
14 January 2015
- 9 February 2015 |
| Antonio Alfieri | University of Pisa |
7 February 2015
- 14 February 2015 |
| Elie Alhajjar | George Mason University |
8 February 2015
- 28 February 2015 |
| Armando Amaris | SUNY Korea |
8 February 2015
- 28 February 2015 |
| Tony Bahri | Rider University |
8 February 2015
- 28 February 2015 |
| Jeremiah Bartz | Francis Marion University |
14 February 2015
- 20 February 2015 |
| BIPLAB BASAK | Indian Institute of Science, Bangalore |
7 February 2015
- 28 February 2015 |
| Olivier Bégassat | Laboratoire Dieudonné, université de Nice (Valrose) |
8 February 2015
- 21 February 2015 |
| Bruno Benedetti | Free University Berlin |
8 February 2015
- 28 February 2015 |
| Andrew Berget | University of Washington |
16 February 2015
- 20 February 2015 |
| Christin Bibby | University of Oregon |
15 February 2015
- 21 February 2015 |
| Pavle V. M. Blagojević | Free University Berlin |
7 February 2015
- 28 February 2015 |
| Thomas Brady | Dublin City University |
16 February 2015
- 21 February 2015 |
| Francesco Brenti | Universita' di Roma "Tor Vergata" |
15 February 2015
- 21 February 2015 |
| Filippo Callegaro | University of Pisa |
9 December 2014
- 28 February 2015 |
| Luigi Caputi | Università di Pisa |
8 February 2015
- 28 February 2015 |
| Giovanni Cerulli Irelli | Sapienza-Università di Roma |
9 December 2014
- 28 February 2015 |
| Jeongwook Chang | Dankook University |
16 February 2015
- 21 February 2015 |
| Suyoung Choi | Ajou University |
7 February 2015
- 28 February 2015 |
| Younggi Choi | Seoul National University |
8 February 2015
- 21 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 |
| Mike Davis | Ohio State University |
15 February 2015
- 28 February 2015 |
| Emanuele Delucchi | University of Bremen |
8 February 2015
- 25 February 2015 |
| Graham Denham | University of Western Ontario |
14 February 2015
- 28 February 2015 |
| Sabino Di Trani | Università degli Studi di Pisa |
9 December 2014
- 28 February 2015 |
| Alexandru Dimca | Université de Nice Sophia Antipolis, France |
16 February 2015
- 21 February 2015 |
| Clément Dupont | MPIM Bonn |
17 February 2015
- 20 February 2015 |
| Albertas Dvirnas | Lund University |
8 February 2015
- 16 February 2015 |
| Saini Elia | Bremen University (DE), Universitée de Fribourg (CH) |
8 February 2015
- 28 February 2015 |
| Michael Falk | Northern Arizona University |
9 February 2015
- 21 February 2015 |
| Eva Maria Feichtner | University of Bremen |
15 February 2015
- 21 February 2015 |
| Alex Fink | Queen Mary University of London |
14 February 2015
- 28 February 2015 |
| Matthias Franz | University of Western Ontario |
16 February 2015
- 22 February 2015 |
| Giovanni Gaiffi | Dipartimento di Matematica, Università di Pisa |
9 December 2014
- 28 February 2014 |
| Afshin Goodarzi | Royal Institute of Technology |
17 February 2015
- 28 February 2015 |
| Youngsik Huh | Department of Mathematics, Hanyang University |
9 February 2015
- 16 February 2015 |
| Arye JUHASZ | Department of Mathematics, Technion, Haifa, 32000, ISRAEL |
18 February 2015
- 22 February 2015 |
| Alias Khalaf | University of Duhok, Kurdistan Region-Iraq |
8 February 2015
- 28 February 2015 |
| Cheikh Khoulé | Université Cheikh Anta Diop de Dakar |
9 December 2014
- 28 February 2015 |
| Sang-hyun Kim | Seoul National University |
13 February 2015
- 19 February 2015 |
| Caroline Klivans | Brown University |
17 February 2015
- 22 February 2015 |
| Ho Kyoung Ko | ajou university |
11 February 2015
- 19 February 2015 |
| Toshitake Kohno | Graduate School of Mathematical Sciences, the University of Tokyo |
13 February 2015
- 19 February 2015 |
| Eon-Kyung LEE | Sejong University |
9 February 2015
- 24 February 2015 |
| Jae-Hyouk Lee | Ewha Womans University |
19 January 2015
- 23 January 2015 |
| Kang-Ju Lee | Seoul National University |
8 February 2015
- 28 February 2015 |
| Sang-Jin LEE | Konkuk University |
9 February 2015
- 24 February 2015 |
| Matthias Lenz | University of Oxford |
8 February 2015
- 28 February 2015 |
| Ievgen Makedonskyi | HSE, department of mathematics |
12 January 2015
- 28 February 2015 |
| Diana Mandar | Indonesian Mathematical Society |
9 December 2014
- 28 February 2015 |
| Ivan Marin | Université de Picardie-Jules Verne |
8 February 2015
- 14 February 2015 |
| Ivan Martino | University of Fribourg |
18 January 2015
- 28 February 2015 |
| Daniel Matei | IMAR |
14 February 2015
- 22 February 2015 |
| Karola Meszaros | Cornell University |
7 February 2015
- 15 February 2015 |
| Luca Moci | Université Paris 7 |
18 January 2015
- 28 February 2015 |
| Fatemeh Mohammadi | Osnabrueck university |
16 February 2015
- 27 February 2015 |
| Stefan Papadima | IMAR |
8 February 2015
- 28 February 2015 |
| Luis Paris | Université de Bourgogne |
16 February 2015
- 20 February 2015 |
| Michela Quadrini | University of Camerino |
9 February 2015
- 28 February 2015 |
| Sonja Riedel | University of Bremen |
8 February 2015
- 28 February 2015 |
| Afshan Sadiq | University of Sussex |
8 February 2015
- 28 February 2015 |
| Mario Salvetti | Dipartimento di Matematica, Università di Pisa |
9 December 2014
- 28 February 2015 |
| Simona Settepanella | Hokkaido University |
11 February 2015
- 28 February 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 |
| Mentor Stafa | Tulane University |
15 February 2015
- 21 February 2015 |
| Alexandru Suciu | Northeastern University |
8 February 2015
- 28 February 2015 |
| Francesco Vaccarino | Politecnico di Torino - Dipartimento di Matematica |
9 February 2015
- 13 February 2015 |
| Emanuele Ventura | Aalto University, Finland |
8 February 2015
- 28 February 2015 |
| Elizabeth Vidaurre | Graduate Center at City University of New York |
8 February 2015
- 28 February 2015 |
| Andrea Villa | ISI foundation |
9 February 2015
- 20 February 2015 |
| Hannah Vogel | Karl-Franzens-Universitaet Graz |
1 February 2015
- 28 February 2015 |
| Andrzej Weber | University of Warsaw |
8 February 2015
- 21 February 2015 |
| Christian Yeke | CRSAT |
9 December 2014
- 1 March 2015 |
| Masahiko Yoshinaga | Hokkaido University |
11 February 2015
- 22 February 2015 |
| Sergey Yuzvinsky | University of Oregon, Eugene |
6 February 2015
- 28 February 2015 |
| Ilya Zakharevich |
19 January 2015
- 7 February 2015 |