The Eighteenth International Conference on Permutation Patterns will be held at Valparaiso University June 29-July 3, 2020.


Note: Due to the ongoing COVID-19 pandemic, PP2020 will no longer be hosted in a physical location.  Preliminary discussions are underway to convert the conference to a virtual format.  More information will be sent to the conference mailing list by April 1, 2020.


Plenary Speakers:


Important Dates:

  • Submission Deadline: April 15, 2020
  • Travel Support Application Deadline: April 15, 2020
  • Early Registration: May 1, 2020
  • Late Registration: June 12, 2020


A conference poster is available for download here: PP2020 poster


More information about the conference series can be found at

The conference is supported by NSF grant DMS-1901853 and by the National Security Agency.