Dinner with Prof. Tim Jahn (TU Berlin, Germany), Prof. Neil (CUHK, China) and some other friends from UK and Germany during the 12th IPMS conference in Malta.
With Prof. Otmar Scherzer (RICAM and University of Vienna, Austria), a pioneer of regularization theory for inverse problems.
Selfie with Prof. Pierre Maréchal (Toulouse Mathematics Institute, France) after a stimulating and fruitful discussion.