{"paper":{"title":"Error Avoiding Quantum Codes","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"3), 3) ((1) ISI Foundation, (3) INFM Politecnico di Torino), M. Rasetti (2, Politecnico di Torino, P. Zanardi (1, Torino (2) Dipartimento di fisica","submitted_at":"1997-10-16T07:44:16Z","abstract_excerpt":"The existence is proved of a class of open quantum systems that admits a linear subspace ${\\cal C}$ of the space of states such that the restriction of the dynamical semigroup to the states built over $\\cal C$ is unitary. Such subspace allows for error-avoiding (noiseless) enconding of quantum information."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/9710041","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"}