Fourth Tunisian-Japanese Conference
In honor of Jean Ludwig
Geometric and Harmonic Analysis
on Homogeneous Spaces and Applications
Monastir, December 18-23, 2015

Program1.

Saturday: December 19, 201508:45 Opening
09:00 −− 9:30 D. Arnal (Dijon)
Jean Ludwig: Walking with a mathematician.
09:30 −− 10:00 H. Fujiwara (Fukuoka)
Collaboration with Jean Ludwig.
10:00 −− 10:15 Honorating Jean Ludwig
10:15 −− 10:45 Coffee break
10:45 −− 11:30 I. Beltita (Bucharest)
Spectral synthesis for coadjoint orbits of nilpotent Lie groups.
11:40 −− 12:25 R. Lakshmi Lavanya (Tirupati, India)
Revisiting the Fourier transform on the Heisenberg group.

Lunch14:30 −− 15:15 S. Bejar (Sfax)
Deformation of locally Euclidean geometries.
15:25 −− 16:10 R. Daher (Casablanca)
Solvability on Riemanian symmetric spaces
16:20 −− 16:50 Coffee break2.

16:50 −− 17:20 Parallel sessions of 30 minutes.
16:50 −− 17:20 Rabeb Sidaoui (Sfax)
Deformation of locally Euclidean geometries. Cohomology of sl(2) acting on the space of n-ary
differential operators on R.
16:50 −− 17:20 R. Jday (Tunis)
Inequalities For Clifford-Fourier Transform.
16:50 −− 17:20 W. Aloulou (Sfax)
Hom-Gerstenhaber algebras up to homotopy.

3.

17:30 −− 18:00 Parallel sessions of 30 minutes.
17:30 −− 18:00 S. Ghaour (Sfax)
Study of deformation spaces of connected nilpotent Lie groups.
17:30 −− 18:00 M. Bensaid (Tunis)
Turán type inequality for q-special functions.
17:30 −− 18:00 F. Sadki (Sfax)
On the Chabauty space of a locally compact group.

Dinner4.

Sunday: December 20, 201508:30 −− 09:15 N. Bensalem (Tunis)
The Hardy space H 1 in the rational Dunkl setting.
09:25 −− 10:10 M. Duflo (Paris)On the restriction of discrete series of a real reductive Lie group to a subgroup locally isomorphicto SL(2; R).
10:20 −− 10:50 Coffee break
10:50 −− 11:35 T. Yoshino (Tokyo)
Vertical and horizontal rigidity.
11:45 −− 12:30 I. Kédim (Bizerte)
Fresh results on the deformation theory of discontinuous groups acting on homogeneous spaces.

Lunch
14:30 −− 15:15 H. Ishi (Nagoya)On the space of holomorphic equivalence classes of bounded homogeneous domains.
15:25 −− 16:10 A. Boussejra (Kénitra)
Poisson transform on homogeneous vector bundles.
16:20 −− 16:50 Coffee break

5.

16:50 −− 17:20 Parallel sessions of 30 minutes.
16:50 −− 17:20 S. Benayed (Sfax)
Variants of a Müntz-Szäsz analogues for Euclidean Spin groups.
16:50 −− 17:20 F. Thabet (Gabès)
Trajectories of quadratic differentials for generalized Laguerre and Jacobi polynomials.
16:50 −− 17:20 J. Boujelben (Sfax)
Bilinear differential operators: projectively equivariant symbols and quatization maps.

6.

17:30 −− 18:00 Parallel sessions of 30 minutes.
17:30 −− 18:00 B. Dali (Bizerte)
Note on the cortex of some exponential Lie groups.
17:30 −− 18:00 S. Jendoubi (Sfax)
Intertwining operators for holomorphic multiplier representation and their infinitesimal generators.
17:30 −− 18:00 Z. Saoudi (Sfax)
Contact supersymmetries of modules of differential operators.

Dinner7.

Monday: December 21, 201508:30 −− 09:15 J. Ludwig (Metz)
The group algebra L1 (G).
09:25 −− 10:10 D. Poguntke (Bielefeld)
Ideals in L1 (G) associated with compact orbits in the unitary dual of a nilpotent Lie group G.
10:20 −− 10:50 Coffee break
10:50 −− 11:35 J. Inoue (Tottori)
Lp -Fourier transforms on compact extensions of unimodular Lie groups.
11:45 −− 12:30 S. Azouazi (Sfax)
Beurling’s theorem for compact extensions of Rn .

Lunch

8.

Tuesday: December 22, 201508:30 −− 09:15 J. Faraut (Paris)
Asymptotic spherical analysis.
09:25 −− 10:10 A. Hassairi (Sfax)
Beta-hypergeometric probability distribution on symmetric matrices.
10:20 −− 10:50 Coffee break
10:50 −− 11:35 A. Makhlouf (Haute Alsace)
Twistings of algebra and bialgebra structures.
11:45 −− 12:30 J. Cole (Tsukuba)
The Philosophy of Mathematical Modeling and Numerical Simulation: Surprises from the Wave
Equation and its Finite Difference Models.

Lunch
14:30 −− 15:15 N. Shimeno (Sanda)
Matrix-valued commuting family of differential operators associated with symmetric spaces.
15:25 −− 16:10 S. Kabbaj (Kénitra)
On solutions of D’Alembert’s functional equation.
16:20 −− 16:50 Coffee break

9.

16:50 −− 17:20 Parallel sessions of 30 minutes
16:50 −− 17:20 M. Maslouhi (Kénitra)
An Integral expression for the Dunkl kernel in the dihedral setting.
16:50 −− 17:20 T. Bechr (Sfax)
Modules of bilinear differential operators over the orthosymplectic superalgebra osp(1|2).
16:50 −− 17:20 M. Akriche (Bizerte)
Invariants réels d’un pinceau en courbe de genre 2.

10.

17:30 −− 18:00 Parallel sessions of 30 minutes
17:30 −− 18:00 A. Bentaleb (Meknes)
On extension and refinement of the Poincaré inequality.
17:30 −− 18:00 Y. Bouaziz (Sfax)
Quadratic overgroups for Diamond Lie groups.
17:30 −− 18:00 M. Boussoffara (Sfax)
Deforming discontinuous groups of 3-step nilpotent Lie groups.

11.

Wednesday: December 23, 201508:30 −− 09:15 A. Sasaki (Hiratsuka)
Admissible representations, multiplicity-free representations, and visible actions on non-tube type
Hermitian symmetric spaces.
09:25 −− 10:10 B. Agrebaoui (Sfax)
Diamond cones for classical Lie superalgebras.
10:20 −− 10:50 Coffee break
10:50 −− 11:35 D. Manchon (Clermont-Ferrand)
Transfer group for renormalized multiple zeta values.

Closing

Lunch