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This is an information website for the online seminars on preserver problems and related topics. The aim of this lecture series is to provide the preserver community with an opportunity of regular meetings these days when physical seminars and conferences are not possible. The talks will be accessible through the Zoom video communication platform.

If you are interested in following the updates of this webinar series, please write an e-mail to preserverwebinar[at]gmail[dot]com with the subject "Subscribe".
To save the dates or create calendar events for yourself we recommend you to follow this [link].




Zoom link: https://istaustria.zoom.us/j/97256950873?pwd=bWd6U1kyVXZFQk1wNll5ZTlXTE1ZQT09
Meeting ID: 972 5695 0873
Passcode: 582736





Previous talks:


May 29 16:00 London time
Speaker: Chi-Kwong Li  (The College of William and Mary, Virginia)
Title: Quantum states and quantum channels



June 05 12:00 London time
Speaker: Lajos Molnár (University of Szeged, Hungary)
Title: Means and their preservers


June 12 16:00 London time
Speaker: Antonio Peralta (University of Granada, Spain)
Title: Tingley's problem for subsets strictly smaller than the unit sphere


June 17 12:00 London time
Speaker: Matej Bresar (University of Ljubljana and University of Maribor, Slovenia)
Title: Zero product determined algebras and commutativity preservers


June 24 12:00 London time
Speaker: Michiya Mori (University of Tokyo, Japan)
Title: Lattice isomorphisms between projection lattices of von Neumann algebras


July 1 12:00 London time
Speaker: Peter Semrl (University of Ljubljana, Slovenia)
Title:
Loewner's theorem for maps on operator domains


July 8 12:00 London time
Speaker: Bas Lemmens (University of Kent, United Kingdom)
Title: A metric version of a theorem by Poincaré


July 15 12:00 London time
Speaker: Denny H. Leung (National University of Singapore, Singapore)
Title: Nonlinear biseparating maps


July 22 16:00
London time
Speaker: Javad Mashreghi (Laval University, Canada)
Title: On Gleason-Kahane-Zelazko Theorems



July 29 12:00 London time
Speaker: Ying-Fen Lin (Queens University Belfast, Northern Ireland)
Title: Schur multipliers and positive extensions


Aug 5 12:00 London time
Speaker: Osamu Hatori (Niigata University, Japan)
Title: When does an isometry on a Banach algebra preserve the multiplicative structure?


 

Aug 12 12:00 London time
Speaker: Marten Wortel (University of Pretoria, South Africa)
Title: Order isomorphisms between effect algebras of atomic JBW-algebras



Aug 19 15:00 London time
Speaker: Timur Oikhberg (University of Illinois, United States)
Title: Stability of disjointness preservation



Aug 26 12:00 London time
Speaker: Ngai-Ching Wong (National Sun Yat-sen University, Taiwan)
Title: Disjointness preservers of operator algebras


Sep 02 12:00 London time
Speaker: Haonan Zhang (IST Austria, Austria)
Title: Data processing inequalities for alpha-z Rényi relative entropies and the equality conditions


Sep 16 12:00 London time
Speaker: Mark Pankov (University of Warmia & Mazury, Poland and JKU Linz, Austria)
Title: A geometric approach to Wigner-type theorems


Sep 30 12:00 London time
Speaker: Dijana Ilišević (University of Zagreb, Croatia)
Title: An inverse eigenvalue problem for isometries



Oct 21 12:00 London time
Speaker: Miklós Pálfia (Sungkyunkwan University, Republic of Korea)
Title: Analytic lifts of operator monotone and concave functions




Nov 4 12:00 London time
Speaker: Fernanda Botelho (University of Memphis, United States)
Title: Projections and isometries in Banach spaces





Organizers:

György Pál Gehér
University of Reading

Tamás Titkos
Alfréd Rényi Institute of Mathematics

Dániel Virosztek
Institute of Science and Technology Austria


If you have any questions or queries, please send a message to preserverwebinar[at]gmail[dot]com.



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