If you haven’t registered already, you still have the opportunity to do so, since we’ve extended our registration and abstract submission deadline until Tuesday, 07.05.2019.
Registration should be made through:
http://opto.edu.pl/registration-2019/
And abstract submission can be done here:
http://opto.edu.pl/abstract-submission-2019/
Please make sure that you have registered for the conference. Sending the abstract is not equivalent to registration. If you want to participate, please fill in the registration form in the first link above.