{"id":{"repo_id":"brock","oai_identifier":"oai:brocku.scholaris.ca:10464/4957"},"canonical_url":"https://search.dev.ndltd.org/etd/brock/oai:brocku.scholaris.ca:10464/4957","repository":{"repo_id":"brock","name":"Brock University","base_url":"https://brocku.scholaris.ca/server/oai/request"},"display":{"title":"Acyclic 5-Choosability of Planar Graphs Without Adjacent Short Cycles","abstract":"The conjecture claiming that every planar graph is acyclic 5-choosable[Borodin et al., 2002] has been verified for several restricted classes of planargraphs. Recently, O. V. Borodin and A. O. Ivanova, [Journal of Graph Theory,68(2), October 2011, 169-176], have shown that a planar graph is acyclically 5-choosable if it does not contain an i-cycle adjacent to a j-cycle, where 3&lt;=j&lt;=5 if i=3 and 4&lt;=j&lt;=6 if i=4. We improve the above mentioned result and prove that every planar graph without an i-cycle adjacent to a j-cycle with3&lt;=j&lt;=5 if i=3 and 4&lt;=j&lt;=5 if i=4 is acyclically 5-choosable.","abstract_html":"The conjecture claiming that every planar graph is acyclic 5-choosable[Borodin et al., 2002] has been verified for several restricted classes of planargraphs. Recently, O. V. Borodin and A. O. Ivanova, [Journal of Graph Theory,68(2), October 2011, 169-176], have shown that a planar graph is acyclically 5-choosable if it does not contain an i-cycle adjacent to a j-cycle, where 3&amp;lt;=j&amp;lt;=5 if i=3 and 4&amp;lt;=j&amp;lt;=6 if i=4. We improve the above mentioned result and prove that every planar graph without an i-cycle adjacent to a j-cycle with3&amp;lt;=j&amp;lt;=5 if i=3 and 4&amp;lt;=j&amp;lt;=5 if i=4 is acyclically 5-choosable.","abstract_has_math":false,"creators":["Ferreri, Susanna"],"institution":"Brock University","degree_name":"M.Sc. Mathematics and Statistics","degree_level":"Masters","degree_discipline":"Faculty of Mathematics and Science","degree_department":"Department of Mathematics","school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2013,"date_issued":"2013-09-05","date_published":"2013-09-05","updated_at":"2026-07-24T01:23:09Z","subjects":["Graph Theory","planar graphs","choosability","acyclic"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/10464/4957","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.department","label":"Department","values":["Department of Mathematics"]},{"key":"dc:creator","label":"Author","values":["Ferreri, Susanna"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2013-09-05T13:51:29Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2013-09-05T13:51:29Z"]},{"key":"dc:date.issued","label":"Date","values":["2013-09-05"]},{"key":"dc:type","label":"Dc Type","values":["Electronic Thesis or Dissertation"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Faculty of Mathematics and Science"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.Sc. Mathematics and Statistics"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Brock University"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Graph Theory","planar graphs","choosability","acyclic"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10464/4957"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The conjecture claiming that every planar graph is acyclic 5-choosable[Borodin et al., 2002] has been verified for several restricted classes of planargraphs. Recently, O. V. Borodin and A. O. Ivanova, [Journal of Graph Theory,68(2), October 2011, 169-176], have shown that a planar graph is acyclically 5-choosable if it does not contain an i-cycle adjacent to a j-cycle, where 3&lt;=j&lt;=5 if i=3 and 4&lt;=j&lt;=6 if i=4. We improve the above mentioned result and prove that every planar graph without an i-cycle adjacent to a j-cycle with3&lt;=j&lt;=5 if i=3 and 4&lt;=j&lt;=5 if i=4 is acyclically 5-choosable."]},{"key":"dc:title","label":"Title","values":["Acyclic 5-Choosability of Planar Graphs Without Adjacent Short Cycles"]}]}],"canonical_facts":{"dc:contributor.department":["Department of Mathematics"],"dc:creator":["Ferreri, Susanna"],"dc:date.accessioned":["2013-09-05T13:51:29Z"],"dc:date.available":["2013-09-05T13:51:29Z"],"dc:date.issued":["2013-09-05"],"dc:description.abstract":["The conjecture claiming that every planar graph is acyclic 5-choosable[Borodin et al., 2002] has been verified for several restricted classes of planargraphs. Recently, O. V. Borodin and A. O. Ivanova, [Journal of Graph Theory,68(2), October 2011, 169-176], have shown that a planar graph is acyclically 5-choosable if it does not contain an i-cycle adjacent to a j-cycle, where 3&lt;=j&lt;=5 if i=3 and 4&lt;=j&lt;=6 if i=4. We improve the above mentioned result and prove that every planar graph without an i-cycle adjacent to a j-cycle with3&lt;=j&lt;=5 if i=3 and 4&lt;=j&lt;=5 if i=4 is acyclically 5-choosable."],"dc:identifier.uri":["http://hdl.handle.net/10464/4957"],"dc:language.iso":["eng"],"dc:subject":["Graph Theory","planar graphs","choosability","acyclic"],"dc:title":["Acyclic 5-Choosability of Planar Graphs Without Adjacent Short Cycles"],"dc:type":["Electronic Thesis or Dissertation"],"thesis:degree_discipline":["Faculty of Mathematics and Science"],"thesis:degree_level":["Masters"],"thesis:degree_name":["M.Sc. Mathematics and Statistics"],"thesis:institution_name":["Brock University"]},"updated_at":"2026-07-24T01:23:09Z"}