Broken Identifier

arXiv:2604.19521 · detector doi_compliance · incontrovertible · 2026-05-20 02:51:18.721276+00:00

critical doi_compliance broken_identifier

DOI '10.7302/2740' as printed in the bibliography is syntactically invalid and cannot resolve.

Paper page Integrity report arXiv Try DOI

Evidence text

H. Zhu , Fast, High-Order Accurate Integral Equation Methods and Application to PDE -Constrained Optimization , PhD thesis, The University of Michigan, 2021, https://doi.org/10.7302/2740

Evidence payload

{
  "doi_as_printed": "10.7302/2740",
  "raw_excerpt": "H. Zhu , Fast, High-Order Accurate Integral Equation Methods and Application to PDE -Constrained Optimization , PhD thesis, The University of Michigan, 2021, https://doi.org/10.7302/2740",
  "ref_index": 202,
  "verdict_class": "incontrovertible"
}