{"paper":{"title":"(Hopf) Algebra Automorphisms of the Hopf algebra ${\\check U}^{\\geq 0}_{r,s}({\\mathfrak sl_{3}})$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.RA"],"primary_cat":"math.QA","authors_text":"Xin Tang","submitted_at":"2011-06-09T20:17:17Z","abstract_excerpt":"In this paper, we completely determine the group of algebra automorphisms for the two-parameter Hopf algebra ${\\check U}_{r,s}^{\\geq 0}({\\mathfrak sl_{3}})$. As a result, the group of Hopf algebra automorphisms is determined for $\\V$ as well. We further characterize all the derivations of the subalgebra $U^{+}_{r,s}({\\mathfrak sl_{3})}$, and calculate its first degree Hochschild cohomology group."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.1909","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}