Dear colleague, We are pleased to announce that registration has now opened for the conference "Transfinite methods in Banach spaces and algebras of operators", to be held in Bedlewo, Poland, 18-22 July 2016. To register, please go to the conference webpage and follow the links: https://www.impan.pl/~set_theory/Banach2016/ There is a registration fee of 900PLN (approx. €210), which includes room and full board for the duration of the conference.Important dates: 15 April: deadline for graduate students to apply for financial support to cover their local expenses (see the webpage for full details); 31 May: registration to the conference closes (may happen earlier, if all rooms at the conference centre fill up); 24 June : deadline for submission of abstracts of contributed talks. Main speakers are: Tristan Bice (Salvador), Christina Brech (São Paulo), Yemon Choi (tbc)(Lancaster), Marek Cuth (Prague), Garth Dales (Lancaster), Alan Dow (North Carolina), Valentin Ferenczi (São Paulo), Joanna Garbulińska (Kielce), Gilles Godefroy (CNRS), Bill Johnson (tbc) (Texas A&M), Tomasz Kochanek (IM PAN, Warsaw), Jordi Lopez-Abad (ICMAT Madrid), Pavlos Motakis (Texas A&M), Grzegorz Plebanek (Wrocław), Thomas Schlumprecht (Texas A&M), David Sherman (tbc)(Virginia), Jesus Suarez (Caceres), Stevo Todorcevic (CNRS, Toronto). If you have any questions, please look at the webpage, or write to this address (possibly NOT replying to this e-mail). Best regards, the organizers (Antonio Aviles, Piotr Koszmider, Niels Laustsen)