The online registration closed on Tuesday, October 1, 2019. However, registration for the meeting will be possible on-site during the meeting days, either online or by paper form. For online registration, APS membership is required. APS members are strongly encouraged to register online via the APS registration portal at

which will reopen on the meeting days. Otherwise, fill in the paper registration form at the registration desk. Make sure you have cash or check for payment of paper-form registration, as we cannot process credit card payments.