{"id":108,"date":"2013-02-13T18:56:14","date_gmt":"2013-02-13T17:56:14","guid":{"rendered":"https:\/\/projects.lsv.ens-paris-saclay.fr\/topology\/?page_id=108"},"modified":"2023-03-31T14:08:05","modified_gmt":"2023-03-31T12:08:05","slug":"puzzles","status":"publish","type":"page","link":"https:\/\/projects.lsv.ens-paris-saclay.fr\/topology\/?page_id=108","title":{"rendered":"Puzzles"},"content":{"rendered":"<p>A few crossword puzzles, whose theme is clearly connected to the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>.<\/p>\n<p>These are New York Times-style puzzles, with the added constraint that many clues come from the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>. \u00a0To do so, I&#8217;ve deliberately violated a few key principles of crossword puzzle design.\u00a0 In the first four puzzles, the grid is not symmetric, and I&#8217;ve occasionally used some two-letter words.\u00a0 In subsequent puzzles, the proportion of black squares is higher than the required one sixth, or I may have taken less clues from the area of topology.<\/p>\n<p>By the way, they should be much easier to complete if you <em>do<\/em> have the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>. \u00a0But you may also take up the challenge by yourself.<\/p>\n<p>The difficulty is rated according to the convention that Monday puzzles are easiest, and Friday puzzles are hardest.<\/p>\n<p>All puzzles are provided in both <a title=\"Acrobat reader\" href=\"https:\/\/get.adobe.com\/fr\/reader\/\">pdf<\/a> format and <a title=\"AcrossLite\" href=\"https:\/\/www.litsoft.com\/across\/alite\/download\/\">AcrossLite<\/a> format. \u00a0AcrossLite files are playable online.<\/p>\n<ol>\n<li>A first topology crossword puzzle, posted Feb 13, 2013:\u00a0<a href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/topology2.pdf\">pdf<\/a>;\u00a0<a href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/topology2.puz.zip\">AcrossLite file<\/a>. \u00a0Difficulty: Tuesday (with the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>), Thursday (without).<\/li>\n<li>A second topology crossword puzzle, posted Mar 06, 2013:\u00a0<a href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/topology3.pdf\">pdf<\/a>;\u00a0<a href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/topology3.puz.zip\">Across Lite file<\/a>. \u00a0Difficulty: Wednesday (with the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>), Thursday (without).<\/li>\n<li>A third topology crossword puzzle (&#8220;the 1.3 Topology puzzle&#8221;), posted Mar 27, 2013: <a href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/topology4.pdf\">pdf<\/a>; <a href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/topology4.puz.zip\">Across Lite file<\/a>. \u00a0Difficulty: Tuesday (with the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>), Wednesday (without).<\/li>\n<li>A fourth topology crossword puzzle, posted Apr 10, 2013; <a href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/topology5.pdf\">pdf<\/a>; <a href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/topology5.puz.zip\">Across Lite file<\/a>. \u00a0Difficulty: Thursday (with the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>), Friday (without).<\/li>\n<li>At last, a topology puzzle that obeys the rules, posted Apr 24, 2013; <a href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/topology-01-avr-2013.pdf\">pdf<\/a>; <a href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/topology-01-avr-2013.puz.zip\">Across Lite file<\/a>. \u00a0Difficulty: Wednesday (with the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>), Thursday (without).<\/li>\n<li>A Sunday-size (23 x 23) puzzle, posted May 16, 2013; <a title=\"A first Sunday-size puzzle\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/sunday1.pdf\">pdf<\/a>; <a title=\"A first Sunday-size puzzle\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/sunday1.puz.zip\">Across Lite file<\/a>. \u00a0Difficulty: Monday (with the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>), Wednesday (without).<\/li>\n<li>Compactness! (15 x 15), posted May 29, 2013;\u00a0<a title=\"Compactness!\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/compactness.pdf\">pdf<\/a>;\u00a0<a title=\"Compactness!\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/compactness.puz.zip\">Across Lite file<\/a>. \u00a0Difficulty: Tuesday (with the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>), Wednesday (without).<\/li>\n<li>A second Sunday-size (23 x 23) puzzle, posted June 13, 2013; <a title=\"A second Sunday-size puzzle\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/sunday2.pdf\">pdf<\/a>; <a title=\"A second Sunday-size puzzle\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/sunday2.puz.zip\">Across Lite file<\/a>. \u00a0Difficulty: Tuesday (with the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>), Wednesday (without).<\/li>\n<li>A puzzle whose theme is &#8220;N to the N&#8221;, posted July 03, 2013; <a title=\"N to the N\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/ntothen.pdf\">pdf<\/a>; <a title=\"N to the N\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/ntothen.puz.zip\">Across Lite file<\/a>.\u00a0 Difficulty: Monday (with the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>), Thursday (without).<\/li>\n<li>A holiday puzzle (21 x 21): pretty large, and meant to keep you busy for some time.\u00a0 Posted July 24, 2013; <a title=\"A holiday puzzle\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/holiday2013.pdf\">pdf<\/a>; <a title=\"A holiday puzzle\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/holiday2013.puz.zip\">AcrossLite file<\/a>.\u00a0 Difficulty: Wednesday (with the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>), Thursday (without).<\/li>\n<li>Halloween! (15 x 15): freaky difficult, too.\u00a0 Posted October 31, 2013, <a title=\"Halloween 2013\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/halloween.pdf\">pdf<\/a>; <a title=\"Halloween 2013\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/halloween.puz.zip\">AcrossLite file<\/a>.\u00a0 Difficulty: Thursday (with the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>), Friday (without).<\/li>\n<li>A few things about Sorgenfrey (15 x 15): the 2013 Christmas puzzle (note the tilted Christmas cracker shape!).\u00a0 Some of the definitions are related to the Sorgenfrey line, whence the title.\u00a0 Posted December 24, 2013, <a title=\"A few things about Sorgenfrey\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/xmas2013.pdf\">pdf<\/a>; <a title=\"A few things about Sorgenfrey\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/xmas2013.puz.zip\">AcrossLite file<\/a>.\u00a0 Difficulty: Tuesday (with the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>), Wednesday (without).<\/li>\n<li>Saint Patrick&#8217;s Day (15 x 15): cloverleaf-shaped, naturally.\u00a0 Posted March 17, 2014, <a title=\"St. Patrick's Day 2014\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/stpat2014.pdf\">pdf<\/a>; <a title=\"St. Patrick's Day 2014\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/stpat2014.puz.zip\">AcrossLite file<\/a>.\u00a0 Difficulty: Tuesday (with the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>), Wednesday (without).<\/li>\n<li>End of 2014 (15 x 15): should have been a Christmas special, but apart from 64-down, really has nothing to do with the Season.\u00a0 Posted December 27, 2014, <a title=\"December 2014\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/dec2014.pdf\">pdf<\/a>; <a title=\"December 2014\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/dec2014.puz.zip\">AcrossLite file<\/a>.\u00a0 Difficulty: Monday (with the <a href=\"https:\/\/www.cambridge.org\/gb\/knowledge\/isbn\/item7069109\/Non-Hausdorff%20Topology%20and%20Domain%20Theory\/?site_locale=en_GB\">book<\/a>), Tuesday (without).<\/li>\n<li>End of 2015 (21 x 21).\u00a0 Posted December 31, 2015, <a title=\"A crossword puzzle to end the year 2015\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/dec2015.pdf\">pdf<\/a>; <a title=\"A crossword puzzle to end the year 2015\" href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/Puzzles\/dec2015.puz.zip\">AcrossLite file<\/a>.\u00a0 Difficulty: Sunday (for size), but really it&#8217;s a Monday as far as difficulty is concerned.<\/li>\n<\/ol>\n<p style=\"text-align: right;\">\u2014 <a href=\"https:\/\/www.lsv.ens-paris-saclay.fr\/~goubault\/?l=en\" rel=\"attachment wp-att-993\">Jean Goubault-Larrecq<\/a><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-993 alignright\" src=\"https:\/\/projects.lsv.ens-paris-saclay.fr\/topology\/wp-content\/uploads\/2016\/08\/jgl-2011.png\" alt=\"jgl-2011\" width=\"32\" height=\"44\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A few crossword puzzles, whose theme is clearly connected to the book. These are New York Times-style puzzles, with the added constraint that many clues come from the book. \u00a0To do so, I&#8217;ve deliberately violated a few key principles of &hellip; <a href=\"https:\/\/projects.lsv.ens-paris-saclay.fr\/topology\/?page_id=108\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_crdt_document":"","footnotes":""},"class_list":["post-108","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/projects.lsv.ens-paris-saclay.fr\/topology\/index.php?rest_route=\/wp\/v2\/pages\/108","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/projects.lsv.ens-paris-saclay.fr\/topology\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/projects.lsv.ens-paris-saclay.fr\/topology\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/projects.lsv.ens-paris-saclay.fr\/topology\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/projects.lsv.ens-paris-saclay.fr\/topology\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=108"}],"version-history":[{"count":40,"href":"https:\/\/projects.lsv.ens-paris-saclay.fr\/topology\/index.php?rest_route=\/wp\/v2\/pages\/108\/revisions"}],"predecessor-version":[{"id":5972,"href":"https:\/\/projects.lsv.ens-paris-saclay.fr\/topology\/index.php?rest_route=\/wp\/v2\/pages\/108\/revisions\/5972"}],"wp:attachment":[{"href":"https:\/\/projects.lsv.ens-paris-saclay.fr\/topology\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=108"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}