Online registration for the OPTO2020 conference and summer school has been extended until June 8th. You can also send an abstract till 8th of June.
Please remember to fill in registration form. Sending an abstract is not synonymous with registration!
You can sign up to all of them here:
http://opto.edu.pl/registration-2020
Abstracts can be send through:
http://opto.edu.pl/abstract-submission/