Positivity
A small meeting on ordered structures
Following its series of weekly research talks at the Faculty of Sciences of Tunis, the Positivity Group is organizing a three-day workshop in Hammamet. The programme combines two doctoral courses, research talks and short talks by young researchers on Riesz spaces, Banach lattices, lattice-ordered algebras, positive operators, functional analysis and related topics.
- Dates
- Sunday 3 – Wednesday 6 January 2027
- Venue
- TUI BLUE El Manar, Hammamet
- Registration
- Until 31 December 2026
- Fees
- 600 TND, accommodation included · cash or purchase order
- Contact
- contact@positivity.tn
Birkhoff–Pierce Function Algebras
Prof. Karim Boulabiar
Morning lectures on f-algebras, the lattice-ordered algebras introduced by G. Birkhoff and R. S. Pierce in 1956, and their representation as algebras of functions.
Operators in Riesz Spaces
Prof. Elmiloud Chil
Morning lectures on positive, regular and order bounded operators between Riesz spaces.
Programme
| Time | Session |
|---|---|
| Sunday 3 JanuaryArrival | |
| From 14:00 | Arrival and check-in at the hotel |
| 19:30 | Welcome dinner |
| Monday 4 JanuaryDay 1 | |
| Morning | Doctoral course IBirkhoff–Pierce Function Algebras, lecture 1 · K. Boulabiar |
| Morning | Doctoral course IIOperators in Riesz Spaces, lecture 1 · E. Chil |
| Afternoon | TalksResearch talks |
| Tuesday 5 JanuaryDay 2 | |
| Morning | Doctoral course IBirkhoff–Pierce Function Algebras, lecture 2 · K. Boulabiar |
| Morning | Doctoral course IIOperators in Riesz Spaces, lecture 2 · E. Chil |
| Afternoon | TalksShort talks by PhD students |
| Wednesday 6 JanuaryDay 3 | |
| Morning | Doctoral course IBirkhoff–Pierce Function Algebras, lecture 3 · K. Boulabiar |
| Morning | Doctoral course IIOperators in Riesz Spaces, lecture 3 · E. Chil |
| Midday | Closing and departure |
Exact times and the list of talks will be posted here. PhD students who wish to give a short talk can say so in the registration form.
One fee, everything included
The registration fee covers participation in the workshop and three nights at the TUI BLUE El Manar, from 3 to 6 January 2027, in All Inclusive Soft (full board and soft drinks).
Payment in cash or by purchase order. Registration deadline: 31 December 2026.
List of participants
The list of registered participants will be published here.
Registered participants so far, in alphabetical order of last name. The list is updated as registrations arrive.
| # | Last name · First name |
|---|---|
| 1 | Abdouli Marouen |
| 2 | Amri Hamza |
| 3 | Bahri Moez |
| 4 | Ben Rejeb Asma |
| 5 | Boulabiar Karim |
| 6 | Brahmi Wael |
| 7 | Chil Elmiloud |
| 8 | Gam Inès |
| 9 | Glam Malek |
| 10 | Habibi Mohamed |
| 11 | Hafsi Hamza |
| 12 | Hamed Ahmed |
| 13 | Jaber Jamel |
| 14 | Mahfoudhi Mounir |
| 15 | Oueslati Khansa |
| 16 | Souissi Bilel |
| 17 | Souissi Rania |
- Elmiloud Chil
- Hamza Hafsi
- Mohamed Habibi
- Mounir Mahfoudhi
- Rawaa Hajji
Register for the workshop
- Fill in the form below, including your room choice at the hotel.
- The organizing committee confirms your registration and your room by e-mail.
- Fees and room options are listed in the “Fees and accommodation” section above.
Questions: contact@positivity.tn
A confirmation e-mail is on its way. The organizing committee will confirm your registration and your room by e-mail.
The workshop poster
Download it and share it with your colleagues and students.
