{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T01:31:03Z","timestamp":1786066263427,"version":"3.56.0"},"reference-count":0,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2022,5,5]],"date-time":"2022-05-05T00:00:00Z","timestamp":1651708800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Fundamenta Informaticae"],"published-print":{"date-parts":[[2022,5,5]]},"abstract":"<jats:p>\n                    Two integral quadratic unit forms are called strongly Gram congruent if their upper triangular Gram matrices are \u2124-congruent. The paper gives a combinatorial strong Gram invariant for those unit forms that are non-negative of Dynkin type \ud835\udd38\n                    <jats:sub>r<\/jats:sub>\n                    (for r \u2265 1), within the framework introduced in [Fundamenta Informaticae 184(1):49\u201382, 2021], and uses it to determine all corresponding Coxeter polynomials and (reduced) Coxeter numbers.\n                  <\/jats:p>","DOI":"10.3233\/fi-222109","type":"journal-article","created":{"date-parts":[[2022,5,6]],"date-time":"2022-05-06T11:19:49Z","timestamp":1651835989000},"page":"221-246","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Coxeter Invariants for Non-negative Unit Forms of Dynkin Type \ud835\udd38\n                    <sub>\n                      <i>r<\/i>\n                    <\/sub>"],"prefix":"10.1177","volume":"185","author":[{"given":"Jes\u00fas Arturo","family":"Jim\u00e9nez Gonz\u00e1lez","sequence":"first","affiliation":[{"name":"Instituto de Matem\u00e1ticas, UNAM, Mexico."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2022,5,5]]},"container-title":["Fundamenta Informaticae"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.3233\/FI-222109","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.3233\/FI-222109","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T06:32:42Z","timestamp":1777444362000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.3233\/FI-222109"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,5,5]]},"references-count":0,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2022,5,5]]}},"alternative-id":["10.3233\/FI-222109"],"URL":"https:\/\/doi.org\/10.3233\/fi-222109","relation":{},"ISSN":["0169-2968","1875-8681"],"issn-type":[{"value":"0169-2968","type":"print"},{"value":"1875-8681","type":"electronic"}],"subject":[],"published":{"date-parts":[[2022,5,5]]}}}