{"id":331,"date":"2019-12-31T00:01:10","date_gmt":"2019-12-31T05:01:10","guid":{"rendered":"https:\/\/blogs.ams.org\/featurecolumn\/?p=331"},"modified":"2022-03-02T16:29:09","modified_gmt":"2022-03-02T21:29:09","slug":"bill-casselman-column-archive","status":"publish","type":"post","link":"https:\/\/mathvoices.ams.org\/featurecolumn\/2019\/12\/31\/bill-casselman-column-archive\/","title":{"rendered":"Bill Casselman&#8217;s Column Archive"},"content":{"rendered":"<h1 class=\"headlineText\">Bill Casselman&#8217;s Column Archive<\/h1>\n<p>Here are Bill Casselman&#8217;s older Feature Columns. Bill&#8217;s newest columns may be found <a href=\"https:\/\/blogs.ams.org\/featurecolumn\/category\/bill-casselman\/\">here<\/a>.<\/p>\n<ul>\n<li>January 2021 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2021-01\">Am I really uninfected? COVID-19 and rapid testing<\/a> (Math and the Sciences, Math and Nature, Probability and Statistics)<\/li>\n<li>September 2020 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2020-09\">Does He Have It?: Sensitivity, Specificity, and COVID-19 Testing<\/a> (Math and the Sciences, Math and Nature, Probability and Statistics)<\/li>\n<li>May 2020 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2020-05\">Mathematics and the Family Tree of SARS-Cov-2<\/a> (Math and the Sciences, Math and Nature, Discrete Math and Combinatorics)<\/li>\n<li>January 2020 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2020-01\">More Measles<\/a> (Math and Nature, Discrete Math and Combinatorics)<\/li>\n<li>November 2019 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2019-11\">Why 95% ?<\/a> (Probability and Statistics, Math and Nature, Discrete Math and Combinatorics)<\/li>\n<li>June 2019 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2019-06\">Understanding Kepler III&#8211;Predecessors<\/a> (History of Mathematics, Math and the Sciences)<\/li>\n<li>February 2019 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2019-02\">Understanding Kepler II&#8211;Earth&#8217;s Motion<\/a> (Math and the Sciences, History of Mathematics)<\/li>\n<li>November 2018 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2018-11\">Understanding What Kepler Did&#8211;Part I<\/a> (History of Mathematics, Math and the Sciences)<\/li>\n<li>June 2018 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2018-06\">Reading the Bakhshali Manuscript<\/a> (History of Mathematics)<\/li>\n<li>February 2018 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2018-02\">Jakob Bernoulli&#8217;s Zoo<\/a> (Discrete Math and Combinatorics, History of Mathematics)<\/li>\n<li>November 2017 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2017-11\">Solar Daze<\/a> (Calculus and Analysis, History of Mathematics, Math and the Sciences)<\/li>\n<li>June 2017 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2017-06\">The Joy of Barycentric Subdivision<\/a> (Geometry and Topology, Probability and Statistics)<\/li>\n<li>February 2017 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2017-02\">Assembly Required<\/a> (Discrete Math and Combinatorics, Geometry and Topology)<\/li>\n<li>November 2016 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2016-11\">Circles and Squares &#8230; and Primes<\/a> (Calculus and Analysis, Algebra, History of Mathematics)<\/li>\n<li>June 2016 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2016-06\">The Legend of Abraham Wald<\/a> (Probability and Statistics, History of Mathematics)<\/li>\n<li>February 2016 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2016-02\">It Just Keeps Piling Up!<\/a> (Probability and Statistics, Discrete Math and Combinatorics)<\/li>\n<li>November 2015 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2015-11\">Circles and Squares<\/a> (History of Mathematics, Geometry and Topology, Algebra)<\/li>\n<li>June 2015 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2015-06\">Sums and Integrals: The Swiss analysis knife<\/a> (Calculus and Analysis, History of Mathematics)<\/li>\n<li>February 2015 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2015-02\">The Mathematics of the Rainbow, Part II<\/a> (Math and Nature, History of Mathematics)<\/li>\n<li>November 2014 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2014-11\">Why Do We Expect Lots of Twin Primes?<\/a> (History of Mathematics, Calculus and Analysis)<\/li>\n<li>June 2014 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2014-06\">Feeling Your Way Around in High Dimensions<\/a> (Linear Algebra, Geometry and Topology)<\/li>\n<li>February 2014 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2014-02\">Stereographic Projection<\/a> (Geometry and Topology, History of Mathematics)<\/li>\n<li>December 2013 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2013-12\">The Polish Attack on Enigma II: Zygalski sheets<\/a> (History of Mathematics)<\/li>\n<li>June 2013 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2013-06\">More ENIGMA<\/a> (History of Mathematics)<\/li>\n<li>February 2013 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2013-02\">How to Read QR Symbols Without Your Mobile Telephone<\/a> (Linear Algebra, Math and Technology)<\/li>\n<li>November 2012 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2012-11\">Can You Do Better?<\/a> (Geometry and Topology, History of Mathematics)<\/li>\n<li>June 2012 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2012-06\">What Does a Circle Look Like?<\/a> (History of Mathematics, Geometry and Topology)<\/li>\n<li>February 2012 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2012-02\">Archimedes on the Circumference and Area of a Circle<\/a> (Geometry and Topology, History of Mathematics)<\/li>\n<li>November 2011 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fc-2011-11\">Fragments of Greek Mathematics<\/a> (History of Mathematics)<\/li>\n<li>June 2011 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-normal-integral\">What&#8217;s Normal?<\/a> (Calculus and Analysis, Probability and Statistics)<\/li>\n<li>February 2011 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-five-polyhedra\">Why Only Five?<\/a> (History of Mathematics, Geometry and Topology)<\/li>\n<li>June 2010 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-circle-limit\">How Did Escher Do It?<\/a> (Math and the Arts)<\/li>\n<li>February 2010 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-data-matrix\">Crypto Graphics<\/a> (Math and Technology, Linear Algebra)<\/li>\n<li>November 2009 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-enigma\">Marian Rejewski and the First Break into Enigma<\/a> (History of Mathematics)<\/li>\n<li>June 2009 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-longest-subsequence\">How Much Longer Can This Go On?<\/a> (Algebra, Discrete Math and Combinatorics)<\/li>\n<li>February 2009 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-rainbows\">The Mathematics of Rainbows<\/a> (Math and Nature)<\/li>\n<li>November 2008 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-bezier\">From B\u00e9zier to Bernstein<\/a> (Calculus and Analysis)<\/li>\n<li>June 2008 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-surveying-two\">The Mathematics of Surveying: Part II. The Planimeter<\/a> (With John Eggers) (Calculus and Analysis, Math and the Sciences, History of Mathematics)<\/li>\n<li>February 2008 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-sitnikov\">What is the Length of a Year on Planet Sitnikov?<\/a> (Calculus and Analysis, Math and the Sciences)<\/li>\n<li>November 2007 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-associahedra\">Strange Associations<\/a> (Geometry and Topology, Discrete Math and Combinatorics)<\/li>\n<li>August 2007 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-time\">Time and the Hour Running Through Rough Days<\/a> (History of Mathematics, Geometry and Topology)<\/li>\n<li>February 2007 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-india-zero\">All for Nought<\/a> (History of Mathematics)<\/li>\n<li>June 2006 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-henon\">Simple Chaos &#8211; The H\u00e9non map<\/a> (Calculus and Analysis)<\/li>\n<li>February 2006 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-gminor\">Variations on Graph Minor<\/a> (Geometry and Topology, Discrete Math and Combinatorics)<\/li>\n<li>October 2005 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-tomography\">Mental Calculation<\/a> (Math and Technology, Calculus and Analysis)<\/li>\n<li>May 2005 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-slingshot\">Slingshots and Space Shots<\/a> (Calculus and Analysis, Math and the Sciences)<\/li>\n<li>March 2001 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-orbits1\">A New Solution to the Three Body Problem &#8211; And More<\/a> (Calculus and Analysis, Math and the Sciences)<\/li>\n<li>December 2000 &#8211; <a href=\"http:\/\/www.ams.org\/publicoutreach\/feature-column\/fcarc-cass1\">Packing Pennies in the Plane<\/a> (Geometry and Topology)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Bill Casselman&#8217;s Column Archive Here are Bill Casselman&#8217;s older Feature Columns. Bill&#8217;s newest columns may be found here. January 2021 &#8211; Am I really uninfected? COVID-19 and rapid testing (Math and the Sciences, Math and Nature, Probability and Statistics) September 2020 &#8211; Does He Have It?: Sensitivity, Specificity, and COVID-19<span class=\"more-link\"><a href=\"https:\/\/mathvoices.ams.org\/featurecolumn\/2019\/12\/31\/bill-casselman-column-archive\/\">Read More &rarr;<\/a><\/span><\/p>\n","protected":false},"author":2,"featured_media":793,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[7,8],"tags":[],"class_list":["entry","author-uwhitcher","post-331","post","type-post","status-publish","format-standard","has-post-thumbnail","category-archive","category-bill-casselman"],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/mathvoices.ams.org\/featurecolumn\/wp-content\/uploads\/sites\/2\/2022\/03\/cropped-cropped-mathvoices-banner-feat-col-1.png?fit=1200%2C279&ssl=1","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/posts\/331","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/comments?post=331"}],"version-history":[{"count":1,"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/posts\/331\/revisions"}],"predecessor-version":[{"id":875,"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/posts\/331\/revisions\/875"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/media\/793"}],"wp:attachment":[{"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/media?parent=331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/categories?post=331"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mathvoices.ams.org\/featurecolumn\/wp-json\/wp\/v2\/tags?post=331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}