A visa is required to enter the United States for many nationalities. Please check with your local U.S. embassy/consulate whether this applies to you. In case a visa is required, please apply as soon as possible, as obtaining the visa may take several weeks.
The United States Department of State provides a list of countries that are participants in the Visa Waiver Program here. If you qualify, you will not need a letter.
If you need an invitation letter to HPCA 2017, you should register for the conference first and then contact Dr. Derek Chiou (derek @ utexas.edu). Please note that we reserve the right to wait until the registration charges have cleared through the credit card system before issuing the letter.
Detailed Mailing Address:
Date of Birth:
In case that you are the (co-) author of an accepted paper, provide the title information of your paper.