<div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div dir="ltr">Dear colleague,</div><div dir="ltr"><br>We've decided to hold the July 8th GraphMastersOpen and StringMasters workshops (virtually) co-located with IWOCA 2021, on Discord:<br><br><a href="https://discord.gg/k6fHv8gvAeREMOVE_THIS_SUFFIX" target="_blank">https://discord.gg/k6fHv8gvAeREMOVE_THIS_SUFFIX</a><br><br>The workshops will start with a joint presentation of suggested topics at 10 am UK time, followed by work sessions. There will be another presentation of the topics at 8:30 am Ottawa time, followed by more work sessions. We'll leave the Discord channel open but we expect discussions will peter out in the afternoon (Ottawa time).<br><br>If you would like to present a string- or graph related problem, please contact us by email:</div><div dir="ltr">Alessio Conte (conte [at] <a href="http://di.unipi.it">di.unipi.it</a>) for GraphMastersOpen,</div><div dir="ltr">Jackie Daykin (jackie.daykin [at] <a href="http://kcl.ac.uk">kcl.ac.uk</a>) for StringMasters,</div><div dir="ltr">Travis Gagie (travis.gagie [at] <a href="http://dal.ca">dal.ca</a>) for StringMasters.<br><br>Currently, five topics have been suggested for StringMasters:<br><br>- prefix-normal words (by Zsuzsanna Liptak; see <a href="http://profs.scienze.univr.it/liptak/files/OpenProblemsPNW.pdf" target="_blank">http://profs.scienze.univr.it/liptak/files/OpenProblemsPNW.pdf</a>)<br><br>- factoring a string into the maximum number of distinct factors (by Alex Popa; see <a href="https://link.springer.com/chapter/10.1007%2F978-3-030-38919-2_43" target="_blank">https://link.springer.com/chapter/10.1007%2F978-3-030-38919-2_43</a>)<br><br>- compact data structures for planar graphs (by Travis Gagie; see <a href="https://arxiv.org/abs/2105.04965" target="_blank">https://arxiv.org/abs/2105.04965</a>)<br><br>- bidirectional FM-indexes in O(r) space (by Travis Gagie; see <a href="https://dl.acm.org/doi/10.1145/3375890" target="_blank">https://dl.acm.org/doi/10.1145/3375890</a>)</div><div dir="ltr"><br>- generalizations of V-order (by Jackie Daykin; see <a href="https://www.sciencedirect.com/science/article/abs/pii/S0304397521003492" target="_blank">https://www.sciencedirect.com/science/article/abs/pii/S0304397521003492</a>).<br><br>Registration through IWOCA (<a href="https://www.fields.utoronto.ca/cgi-bin/register?form_selection=IWOCA2021" target="_blank">https://www.fields.utoronto.ca/cgi-bin/register?form_selection=IWOCA2021</a>; free) is encouraged so we have a list of participants' emails, to keep them updated about developments after the workshop (possibly including a special issue). Participants can email one of the chairs if they prefer.<br><br>Best regards,</div><div dir="ltr">Alessio Conte</div><div dir="ltr">(GraphMastersOpen chair)<br>Jackie Daykin<br>Travis Gagie<br>(StringMaster co-chairs)</div></div>
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