Unresolvable Identifier

arXiv:2605.23609 · detector doi_compliance · cross_source · 2026-05-25 02:56:58.000859+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.2307/1990961.url:https://doi.org/10.2307/1990961' is syntactically valid but the DOI registry (doi.org) returned 404, and Crossref / OpenAlex / internal corpus also have no record. The cited work could not be located through any authoritative source.

Paper page Integrity report arXiv Try DOI

Evidence text

Progr. Math. Birkh¨ auser Boston, Boston, MA, 2003, pp. 115–153.isbn: 0-8176-4208-0. [Lus90] G. Lusztig. “Canonical bases arising from quantized enveloping algebras”. In: J. Amer. Math. Soc.3.2 (1990), pp. 447–498.issn: 0894-0347,1088-6834.doi: 10.2307/1990961.url:https://doi.org/10.2307/1990961. [Lus89] George Lusztig. “Affine Hecke algebras and their graded version”. In:J. Amer. Math. Soc.2.3 (1989), pp. 599–635.issn: 0894-0347,1088-6834.doi:10.2307/ 1990945.url:https://doi.org/10.2307/1990945. [Lus93] George Lusztig.Introduction to quantum groups. Vol

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.2307/1990961.url:https://doi.org/10.2307/1990961",
  "raw_excerpt": "Progr. Math. Birkh\u00a8 auser Boston, Boston, MA, 2003, pp. 115\u2013153.isbn: 0-8176-4208-0. [Lus90] G. Lusztig. \u201cCanonical bases arising from quantized enveloping algebras\u201d. In: J. Amer. Math. Soc.3.2 (1990), pp. 447\u2013498.issn: 0894-0347,1088-6834.doi: 10.2307/1990961.url:https://doi.org/10.2307/1990961. [Lus89] George Lusztig. \u201cAffine Hecke algebras and their graded version\u201d. In:J. Amer. Math. Soc.2.3 (1",
  "ref_index": 11,
  "verdict_class": "cross_source"
}