{"id":19,"date":"2012-09-05T11:22:25","date_gmt":"2012-09-05T15:22:25","guid":{"rendered":"https:\/\/people.clas.ufl.edu\/template\/?page_id=19"},"modified":"2026-03-19T08:17:59","modified_gmt":"2026-03-19T12:17:59","slug":"publications","status":"publish","type":"page","link":"https:\/\/people.clas.ufl.edu\/kknudson\/publications\/","title":{"rendered":"Publications"},"content":{"rendered":"\r\n<section class=\"fullwidth-text-block\">\r\n\t<div class=\"container px-0 pt-5\">\r\n\t\t<div class=\"row align-items-start\">\r\n\t\t\t<div class=\"col-12\">\r\n\t\t\t\t\n<h1 class=\"wp-block-heading\">Publications<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Homology of Linear Groups and K-theory<\/h3>\n\n\n\n<p><em id=\"yui_3_10_1_1_1383055192784_7774\">The homology of \\( SL_2(F[t,t^{-1}]) \\)<\/em>, J. Algebra <strong>180<\/strong> (1996), 87-101.<\/p>\n\n\n\n\n\n<p><em id=\"yui_3_10_1_1_1383055192784_7781\">The homology of special linear groups over polynomial rings<\/em>, Ann. Sci. Ecole Norm. Sup. (4) <strong>30<\/strong> (1997), 385-416.<\/p>\n\n\n\n\n\n<p><em id=\"yui_3_10_1_1_1383055192784_7770\">Congruence subgroups and twisted cohomology of \\( SL_n(F[t]) \\)<\/em>, J. Algebra <strong>207<\/strong> (1998), 695-721.<\/p>\n\n\n\n\n\n<p><em>Integral homology of \\( PGL_2 \\) over elliptic curves<\/em>, Algebraic K-theory, Seattle, WA, 1997, Proc. Symp. Pure Math. <strong>67<\/strong> (1999), 175-180.<\/p>\n\n\n\n\n\n<p><em>On the K-theory of elliptic curves<\/em>, J. reine angew. Math. <strong>507<\/strong> (1999), 81-91.<\/p>\n\n\n\n\n\n<p><em>Unstable homotopy invariance and the homology of \\( SL_2(Z[t]) \\)<\/em>, J. Pure Appl. Algebra. <strong>148<\/strong> (2000), 255&#8211;266.<\/p>\n\n\n\n\n\n<p><em id=\"yui_3_10_1_1_1383055192784_7785\">Congruence subgroups and twisted cohomology of \\( SL_n(F[t]) \\) II. Finite fields and number fields<\/em>, Comm. Alg. <strong>29<\/strong> (2001), 5465&#8211;5475.<\/p>\n\n\n\n\n\n<p><em>Unstable homotopy invariance for finite fields<\/em>, Fund. Math. <strong>175<\/strong> (2002), 155&#8211;162.<\/p>\n\n\n\n\n\n<p>(with M. Walker) <em>Homology of linear groups via cycles in \\( BG \\times X \\)<\/em>, J. Pure Appl. Algebra <strong>192<\/strong> (2004), 187&#8211;202.<\/p>\n\n\n\n\n\n<p><em>Homology and finiteness properties for \\( SL_2(Z[t,t^{-1}]) \\)<\/em>, Algebr. Geom. Topol. <strong>8<\/strong> (2008), 2253&#8211;2261.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Relative Completions<\/h3>\n\n\n\n<p><a href=\"http:\/\/www.ams.org\/tran\/2000-352-05\/\" target=\"_blank\" rel=\"noopener\"><em>Relative completions of linear groups over \\( Z[t] \\) and \\( Z[t,t^{-1}] \\)<\/em><\/a>, Trans. Amer. Math. Soc. <strong>352<\/strong> (2000), 2205&#8211;2216.<\/p>\n\n\n\n\n\n<p>Correction to <em>&#8220;Relative Completions&#8230;&#8221;<\/em>, Trans. Amer. Math. Soc. <strong>353<\/strong> (2001), 3833&#8211;3834.<\/p>\n\n\n\n\n\n<p><em>Relative completions and the cohomology of linear groups over local rings<\/em>, J. London Math. Soc. (2), <strong>65<\/strong> (2002), 183&#8211;203.<\/p>\n\n\n\n\n\n<p><em>Relative completions of linear groups over coordinate rings of curves<\/em>, Comm. Alg. <strong>35<\/strong> (2007), 3904&#8211;3908.<\/p>\n\n\n\n\n\n<p><em>Relative completions of linear groups<\/em> L&#8217;Enseign. Math., <strong>54<\/strong> (2008), 119&#8211;121.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Computational Topology and Discrete Morse Theory<\/h3>\n\n\n\n<p><em>Approximate triangulations of Grassmann manifolds<\/em>, Algorithms\u00a0<strong>13<\/strong> (7) (2020), art. 172. (<a href=\"https:\/\/www.mdpi.com\/1999-4893\/13\/7\/172\">link<\/a>)<\/p>\n\n\n\n\n\n<p>(with L. Johnson)\u00a0<em>Min-max theory for cell complexes<\/em>, Algebra Colloq.\u00a0<strong>27<\/strong> (2020), 447&#8211;454.<\/p>\n\n\n\n\n\n<p>(with B. Wang) Discrete <em>Stratified Morse Theory: A User&#8217;s Guide<\/em>, Proceedings of the 34th Symposium on Computational Geometry (2018). (<a href=\"http:\/\/drops.dagstuhl.de\/opus\/volltexte\/2018\/8767\/\">link<\/a>)<\/p>\n\n\n\n\n\n<p>(with H. King and N. Mramor) <em>Generating discrete Morse functions from point data<\/em>, Experimental Math. <strong>14<\/strong> (2005), 435&#8211;444.<\/p>\n\n\n\n\n\n<p>(with H. King and N. Mramor) <em>Birth and death in discrete Morse theory<\/em>, J. Symbolic Comput. <strong>78<\/strong> (2017), 41-60.<\/p>\n\n\n\n\n\n<p><em>A refinement of multi-dimensional persistent homology<\/em>, Homology, Homotopy Appl., <strong>10<\/strong> (2008), 259&#8211;281.<\/p>\n\n\n\n\n\n<p>(with K. Brown) <em>Nonlinear statistics of human speech data<\/em>, Internat. J. Bifur. Chaos Appl. Sci. Engrg. <strong>19<\/strong> (2009), 2307-2319.<\/p>\n\n\n\n\n\n<p>(with K. Brown)<em>Persistent homology for speech recognition<\/em>, preprint (2008).<\/p>\n\n\n\n\n\n<p><em>Persistent homology as discrete Morse theory<\/em>, in preparation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Miscellaneous Topology Papers<\/h3>\n\n\n\n<p><em>On the kernel of the Gassner representation<\/em>, Arch. Math. (Basel), <strong>85<\/strong> (2005), 108&#8211;117.<\/p>\n\n\n\n\n\n<p><em>The homology of invariant group chains<\/em>, J. Algebra <strong>298<\/strong> (2006), 15&#8211;33.<\/p>\n\n\n\n\n\n<p><em>Invariant chains and the homology of quotient spaces<\/em>, preprint(2004).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Books<\/h3>\n\n\n\n<p><em>Homology of Linear Groups<\/em>, Progress in Mathematics, vol. 193, Birkhauser Boston, 2000.<\/p>\n\n\n\n\n\n<p><em>Morse Theory: Smooth and Discrete<\/em>, World Scientific, Singapore, 2015.<\/p>\n\n\n\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t<\/div>\r\n<\/section>\r\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":11,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"featured_post":"","footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-19","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/people.clas.ufl.edu\/kknudson\/wp-json\/wp\/v2\/pages\/19","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/people.clas.ufl.edu\/kknudson\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/people.clas.ufl.edu\/kknudson\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/people.clas.ufl.edu\/kknudson\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/people.clas.ufl.edu\/kknudson\/wp-json\/wp\/v2\/comments?post=19"}],"version-history":[{"count":11,"href":"https:\/\/people.clas.ufl.edu\/kknudson\/wp-json\/wp\/v2\/pages\/19\/revisions"}],"predecessor-version":[{"id":505,"href":"https:\/\/people.clas.ufl.edu\/kknudson\/wp-json\/wp\/v2\/pages\/19\/revisions\/505"}],"wp:attachment":[{"href":"https:\/\/people.clas.ufl.edu\/kknudson\/wp-json\/wp\/v2\/media?parent=19"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}