{"id":{"repo_id":"nmu","oai_identifier":"oai:commons.nmu.edu:theses-1966"},"canonical_url":"https://search.dev.ndltd.org/etd/nmu/oai:commons.nmu.edu:theses-1966","repository":{"repo_id":"nmu","name":"Northern Michigan University","base_url":"https://commons.nmu.edu/do/oai/"},"display":{"title":"Exploring the Exceptional Extreme Rays of the Copositive Cone","abstract":"<p>In this paper we will look at the exceptional extreme rays of COP^5 and COP^6 and identify if they are exposed or nonexposed. We start with some necessary background material on copositive matrices and cones. Then we construct two algorithms to see if a matrix is exposed or nonexposed.</p>","abstract_html":"&lt;p&gt;In this paper we will look at the exceptional extreme rays of COP^5 and COP^6 and identify if they are exposed or nonexposed. We start with some necessary background material on copositive matrices and cones. Then we construct two algorithms to see if a matrix is exposed or nonexposed.&lt;/p&gt;","abstract_has_math":false,"creators":["Holmgren, Trent"],"institution":null,"degree_name":"Master of Science","degree_level":"Thesis","degree_discipline":"Math and Computer Science","degree_department":null,"school":null,"contributors":["Qinghong Zhang"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2025,"date_issued":"2025-07-01T07:00:00Z","date_published":"2025-07-01T07:00:00Z","updated_at":"2026-07-24T03:24:36Z","subjects":["copositive matrix","extreme rays","exposed rays","Other Mathematics"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://commons.nmu.edu/theses/891","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Qinghong Zhang"]},{"key":"dc:creator","label":"Author","values":["Holmgren, Trent"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.available","label":"Dc Date Available","values":["2025-07-14T07:00:00Z"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Math and Computer Science"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["copositive matrix","extreme rays","exposed rays","Other Mathematics"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://commons.nmu.edu/theses/891"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["<p>In this paper we will look at the exceptional extreme rays of COP^5 and COP^6 and identify if they are exposed or nonexposed. We start with some necessary background material on copositive matrices and cones. Then we construct two algorithms to see if a matrix is exposed or nonexposed.</p>"]},{"key":"dc:title","label":"Title","values":["Exploring the Exceptional Extreme Rays of the Copositive Cone"]}]}],"canonical_facts":{"dc:contributor":["Qinghong Zhang"],"dc:creator":["Holmgren, Trent"],"dc:date.available":["2025-07-14T07:00:00Z"],"dc:description.abstract":["<p>In this paper we will look at the exceptional extreme rays of COP^5 and COP^6 and identify if they are exposed or nonexposed. We start with some necessary background material on copositive matrices and cones. Then we construct two algorithms to see if a matrix is exposed or nonexposed.</p>"],"dc:identifier":["https://commons.nmu.edu/theses/891"],"dc:subject":["copositive matrix","extreme rays","exposed rays","Other Mathematics"],"dc:title":["Exploring the Exceptional Extreme Rays of the Copositive Cone"],"thesis:degree_discipline":["Math and Computer Science"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["Master of Science"]},"updated_at":"2026-07-24T03:24:36Z"}