Deadline: Papers are due on September 1, 2019, at 23:59 anywhere on earth (AoE) [Time Zone Converter]. (The PP20 website says "Sep 1 midnight," but what we meant is Sep 1 23:59 AOE.) This deadline is firm.
Proceedings Paper Submission format: Papers may be no more than 10 pages in length without references. Supplementary material will be allowed, up to 8 pages, as a separate attachment to your submission. All submissions must be made electronically through the submission website and include an abstract (100–400 words), author contact information, the full list of authors and their affiliations. Full paper submissions must be in PDF formatted printable on both A4 and US letter size paper. All papers must be prepared using the SIAM proceedings format. Papers should contain a maximum of 10 pages of text (in a typeface no smaller than 10 points) or figures, not including references. There is no page limit for references. The authors may submit supplementary material, such as proofs or source code; all supplementary material must be in PDF or ZIP format (a single attachment of size 15 MB max). Looking at supplementary material is at the discretion of the reviewers.
Double-blind review process: Submission is double-blind, so please remove author names from your submissions. (The SIAM template includes these by default so you will need to comment them out.) Also, authors will need to identify any potential conflicts of interest with Program Committee members on the submission form; a conflict includes past advisors and students, people with the same affiliation, and any recent (~ 4 years) coauthors and collaborators.