List of Open Problems in Sublinear Algorithms

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The goal of this wiki is to collate a set of open problems in sub-linear algorithms and to track progress that is made on these problems. Important topics within sub-linear algorithms include data stream algorithms (sub-linear space), property testing (sub-linear time), and communication complexity (sub-linear communication) but this list isn't exhaustive. Indeed many of the early problems were posted at related workshops. We invite you to add further questions and update the wiki when progress is made on existing questions.


May 26, 2016: The webpage has been updated and math rendering should work correctly again. Please email us at if you notice any problems.

May 21, 2016: The latest security update of MediaWiki unfortunately broke the extension responsible for rendering math equations. We turned it off for now. Versions of the problems with correctly rendered math can be enjoyed in the pdf form.

Jan 18, 2016: Open problems from the Sublinear Algorithms Workshop at the Johns Hopkins University have been posted.

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