{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/37649"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/37649","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"Syzygy Decompositions and Projective Resolutions","abstract":"We give a projective resolution of a finite dimensional 𝛫-algebra 𝛬 over its enveloping algebra 𝛬<SUP>𝑒</SUP> = 𝛬<SUP>𝑜𝑝</SUP> ⨂<SUB>𝛫</SUB>𝛬. The description of this resolution is related to decompositions of the first syzygy module of 𝛬 as an 𝛬<SUP>𝑒</SUP> module. Resolutions of right 𝛬 modules 𝑀<SUB>𝛬</SUB> may be obtained by tensoring 𝑀 over 𝛬 with this bimodule resoution. We describe how to obtain such a resolution when 𝑀 is simple or when 𝑀 is given in the form of a projective presentation. Computations of <I>𝐸𝑥𝑡</I><SUB>𝛬</SUB><SUP>𝑛</SUP>(𝑆<SUB>𝑣</SUB>,𝑆<SUB>𝑤</SUB>) for certain classes of algebras 𝛬 are made using these resolutions, and applied to obtain results on global dimension.","abstract_html":"We give a projective resolution of a finite dimensional 𝛫-algebra 𝛬 over its enveloping algebra 𝛬&lt;SUP&gt;𝑒&lt;/SUP&gt; = 𝛬&lt;SUP&gt;𝑜𝑝&lt;/SUP&gt; ⨂&lt;SUB&gt;𝛫&lt;/SUB&gt;𝛬. The description of this resolution is related to decompositions of the first syzygy module of 𝛬 as an 𝛬&lt;SUP&gt;𝑒&lt;/SUP&gt; module. Resolutions of right 𝛬 modules 𝑀&lt;SUB&gt;𝛬&lt;/SUB&gt; may be obtained by tensoring 𝑀 over 𝛬 with this bimodule resoution. We describe how to obtain such a resolution when 𝑀 is simple or when 𝑀 is given in the form of a projective presentation. Computations of &lt;I&gt;𝐸𝑥𝑡&lt;/I&gt;&lt;SUB&gt;𝛬&lt;/SUB&gt;&lt;SUP&gt;𝑛&lt;/SUP&gt;(𝑆&lt;SUB&gt;𝑣&lt;/SUB&gt;,𝑆&lt;SUB&gt;𝑤&lt;/SUB&gt;) for certain classes of algebras 𝛬 are made using these resolutions, and applied to obtain results on global dimension.","abstract_has_math":false,"creators":["Smith, Nathan A."],"institution":"Virginia Tech","degree_name":"Ph. D.","degree_level":"doctoral","degree_discipline":"Mathematics","degree_department":"Mathematics","school":null,"contributors":[],"advisors":[],"committee_chairs":["Green, Edward L."],"committee_members":["Haskell, Peter E.","Linnell, Peter A.","Rossi, John F.","Thomson, James E."],"year":1999,"date_issued":"1999-04-16","date_published":"1999-04-16","updated_at":"2026-07-22T22:20:41Z","subjects":["Syzygy","Resolution","Algebra","Module","Ring","Decomposition"],"languages":[],"rights":["In Copyright"],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-042199-120414"],"render_values":[{"text":"etd-042199-120414","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10919/37649","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.committeechair","label":"Committee Chair","values":["Green, Edward L."]},{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Haskell, Peter E.","Linnell, Peter A.","Rossi, John F.","Thomson, James E."]},{"key":"dc:contributor.department","label":"Department","values":["Mathematics"]},{"key":"dc:creator","label":"Author","values":["Smith, Nathan A."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-03-14T21:10:34Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-03-14T21:10:34Z","2000-04-24"]},{"key":"dc:date.issued","label":"Date","values":["1999-04-16"]},{"key":"dc:publisher","label":"Institution","values":["Virginia Tech"]},{"key":"dc:type","label":"Dc Type","values":["Dissertation"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Mathematics"]},{"key":"thesis:degree_level","label":"Degree Level","values":["doctoral"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph. D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Virginia Polytechnic Institute and State University"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Syzygy","Resolution","Algebra","Module","Ring","Decomposition"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["In Copyright"]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://rightsstatements.org/vocab/InC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-042199-120414"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10919/37649"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["We give a projective resolution of a finite dimensional 𝛫-algebra 𝛬 over its enveloping algebra 𝛬<SUP>𝑒</SUP> = 𝛬<SUP>𝑜𝑝</SUP> ⨂<SUB>𝛫</SUB>𝛬. The description of this resolution is related to decompositions of the first syzygy module of 𝛬 as an 𝛬<SUP>𝑒</SUP> module. Resolutions of right 𝛬 modules 𝑀<SUB>𝛬</SUB> may be obtained by tensoring 𝑀 over 𝛬 with this bimodule resoution. We describe how to obtain such a resolution when 𝑀 is simple or when 𝑀 is given in the form of a projective presentation. Computations of <I>𝐸𝑥𝑡</I><SUB>𝛬</SUB><SUP>𝑛</SUP>(𝑆<SUB>𝑣</SUB>,𝑆<SUB>𝑤</SUB>) for certain classes of algebras 𝛬 are made using these resolutions, and applied to obtain results on global dimension."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Ph. D."]},{"key":"dc:title","label":"Title","values":["Syzygy Decompositions and Projective Resolutions"]}]}],"canonical_facts":{"dc:contributor.committeechair":["Green, Edward L."],"dc:contributor.committeemember":["Haskell, Peter E.","Linnell, Peter A.","Rossi, John F.","Thomson, James E."],"dc:contributor.department":["Mathematics"],"dc:creator":["Smith, Nathan A."],"dc:date.accessioned":["2014-03-14T21:10:34Z"],"dc:date.available":["2014-03-14T21:10:34Z","2000-04-24"],"dc:date.issued":["1999-04-16"],"dc:description.abstract":["We give a projective resolution of a finite dimensional 𝛫-algebra 𝛬 over its enveloping algebra 𝛬<SUP>𝑒</SUP> = 𝛬<SUP>𝑜𝑝</SUP> ⨂<SUB>𝛫</SUB>𝛬. The description of this resolution is related to decompositions of the first syzygy module of 𝛬 as an 𝛬<SUP>𝑒</SUP> module. Resolutions of right 𝛬 modules 𝑀<SUB>𝛬</SUB> may be obtained by tensoring 𝑀 over 𝛬 with this bimodule resoution. We describe how to obtain such a resolution when 𝑀 is simple or when 𝑀 is given in the form of a projective presentation. Computations of <I>𝐸𝑥𝑡</I><SUB>𝛬</SUB><SUP>𝑛</SUP>(𝑆<SUB>𝑣</SUB>,𝑆<SUB>𝑤</SUB>) for certain classes of algebras 𝛬 are made using these resolutions, and applied to obtain results on global dimension."],"dc:description.degree":["Ph. D."],"dc:identifier.other":["etd-042199-120414"],"dc:identifier.uri":["http://hdl.handle.net/10919/37649"],"dc:publisher":["Virginia Tech"],"dc:rights":["In Copyright"],"dc:rights.uri":["http://rightsstatements.org/vocab/InC/1.0/"],"dc:subject":["Syzygy","Resolution","Algebra","Module","Ring","Decomposition"],"dc:title":["Syzygy Decompositions and Projective Resolutions"],"dc:type":["Dissertation"],"thesis:degree_discipline":["Mathematics"],"thesis:degree_level":["doctoral"],"thesis:degree_name":["Ph. D."],"thesis:institution_name":["Virginia Polytechnic Institute and State University"]},"updated_at":"2026-07-22T22:20:41Z"}