Research on preserver problems on Banach algebras and related topics

25 - 27 October, 2021     RIMS (Online)

October 25, 2021

   Opening October 25 16:25-16:30   Zoom
16:25-16:30 Opening
1   Evening Session October 25 16:30-18:40   Zoom
Chairman: Lajos Molnár (16:30-17:30), Ryotaro Tanaka (17:40-18:40)
16:30 - 17:00 On Wigner's theorem   abstract
Peter Semrl (University of Ljubljana)  
17:00 - 17:30 Wigner--Uhlhorn type theorems for bijective transformations between sets of minimal tripotents   abstract
Antonio M. Peralta (Instituto de Matemáticas (IMAG). Universidad de Granada)  
17:30 - 17:40 Break time
17:40 - 18:10 Nonlinear Birkhoff-James orthogonality preservers and the Wigner equation   abstract
Dijana Ilisevic (University of Zagreb)  
18:10 - 18:40 Graph of the relation induced by Birkhoff-James orthogonality.   abstract
Bojan Kuzma (University of Primorska)  
2   Night Session October 25 20:00-22:10   Zoom
Chairman: Antonio M. Peralta (20:00-21:00), Li Lei (21:10-22:10)
20:00 - 20:30 Linear angle and parallelism preservers of real or complex Hilbert C*-modules   abstract
Ngai-Ching Wong (National Sun Yat-sen University)  
20:30 - 21:00 The Mazur-Ulam property for uniform algebras   abstract
Osamu Hatori (Niigata Universtiy)  
21:00 - 21:10 Break time
21:10 - 21:40 Tingley's problem for uniformly closed function algebras   abstract
Takeshi Miura (Niigata University)  
21:40 - 22:10 A Lifting Property for Banach Spaces   abstract
Fernanda Botelho (University of Memphis)  

October 26, 2021

3   Afternoon Session October 26 13:00-15:10   Zoom
Chairman: Keiichi Watanabe (13:00-14:00), Takeshi Miura (14:10-15:10)
13:00 - 13:30 Properties of $C$-normal operators   abstract
Ji Eun Lee (Sejong University)  
13:30 - 14:00 Almost disjointness preserving functionals on Banach lattices of differentiable functions   abstract
Li Lei (Nankai University)  
14:00 - 14:10 Break time
14:10 - 14:40 Surjective isometries on a Lipschitz space on analytic functions on the open unit disc   abstract
Norio Niwa (Nihon University)  
14:40 - 15:10 Surjective linear isometries on unital $C^{*}$-algebra valued Lipschitz algebras   abstract
Shiho Oi (Niigata University)  
4   Evening Session October 26 16:30-18:00   Zoom
Chairman: Shiho Oi
16:30 - 17:00 2-iso-reflexivity of pointed Lipschitz spaces   abstract
Moisés Villegas-Vallecillos (Universidad de Cádiz)  
17:00 - 17:30 Topological reflexivity of isometries on algebras of matrix-valued Lipschitz maps   abstract
María de Gádor Cabrera-Padilla (University of Almería (Spain))  
17:30 - 18:00 Surjective isometries on the Banach algebra of continuously differentiable maps with values in Lipschitz algebra   abstract
Daisuke Hirota (Graduate School of Science and Technology, Niigata University)  
5   Night Session October 26 20:00-22:10   Zoom
Chairman: Peter Šemrl (20:00-21:00), Bojan Kuzma (21:10-22:10)
20:00 - 20:30 On the order determining property of the norm of a Kubo-Ando mean in operator algebras   abstract
Lajos Molnar (University of Szeged and Budapest University of Technology and Economics)  
20:30 - 21:00 Lattices of projections and their isomorphisms   abstract
Michiya Mori (RIKEN)  
21:00 - 21:10 Break time
21:10 - 21:40 A new order relation on self-adjoint operators based on their variance   abstract
Gyorgy Pal Geher (Riverlane, Cambridge, UK)  
21:40 - 22:10 Linear maps preserving inner functions   abstract
Javad Mashreghi (Laval University)  

October 27, 2021

6   Evening Session October 27 16:00-18:45   Zoom
Chairman: Osamu Hatori (16:00-17:00), Dijana Ilišević (17:45-18:45)
16:00 - 16:30 M\"obius gyrovector spaces and functional analysis   abstract
Keiichi Watanabe (Niigata University)  
16:30 - 17:00 A gyrogroup operation on invertible matrices   abstract
Toshikazu Abe (Ibaraki University)  
17:00 - 17:15 Break time
17:15 - 17:45 Cancel   abstract
Sei-Ichiro Ueki (Tokai University)  
17:45 - 18:15 Isometries and unitaries in the Jordan setting   abstract
María Cueto-Avellaneda (University of Kent)  
18:15 - 18:45 Isometries of Wasserstein spaces   abstract
Dániel Virosztek (Alfréd Rényi Institute of Mathematics)