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Manuscript Auditing →01Impact factor
Impact factor of Journal of Inverse and Ill-Posed Problems (2026)
The impact factor shown here is the 2-year mean citedness: citations received in a year by the papers Journal of Inverse and Ill-Posed Problems published in the two previous years, divided by the number of those papers. That is the same formula as the Journal Impact Factor, applied to the open citation data of OpenAlex. The journal is listed in JCR 2024, so it also has an official Journal Impact Factor published by Clarivate, which can differ because it counts citations from Web of Science journals only.
Rank in its subject categories
- Mathematicsrank 164 of 506 journals
- Mathematics, Appliedrank 212 of 353 journals
Ranks here compare journals of the same Web of Science category in our data by 2-year citedness; they are not the official JCR rank.
Quartile of Journal of Inverse and Ill-Posed Problems
A journal's quartile (Q1 to Q4) is its position within a subject category: Q1 is the top quarter. The official quartiles are published by Clarivate in Journal Citation Reports (by Journal Impact Factor, in Web of Science categories) and by Scimago as the SJR quartile (in Scopus categories). Journal of Inverse and Ill-Posed Problems is listed in JCR 2024, so its JCR quartile is in Journal Citation Reports. It is indexed in Scopus, so Scimago shows its SJR quartile. ScholarsColab does not show a quartile until it can show the official one; the impact factor and rank above are calculated from open data.
Citations and papers per year
Article processing charge listed at about US$2,712.
02Fee waivers
APC waivers and discounts for Journal of Inverse and Ill-Posed Problems
Journal of Inverse and Ill-Posed Problems follows the waiver policy of its publisher, De Gruyter Brill: automatic 80% discount for World Bank low-income and 30% for lower-middle income countries. Only the corresponding author's affiliation counts. Co-authors from other countries do not change the waiver.
Waivers apply to fully open access journals. If Journal of Inverse and Ill-Posed Problems is a hybrid journal, you can publish without any fee through the subscription route.
Checking the waiver rules for your country…
Retractions and research integrity at Journal of Inverse and Ill-Posed Problems
Most common reasons (a retraction can have several):
Journal of Inverse and Ill-Posed Problems has 1 retracted paper in the Retraction Watch database, the latest in Nov 2020. A retraction count is not a verdict on a journal: large journals publish more and journals that investigate actively retract more. The trend and the reasons tell you more than the number.
Who funds research published in Journal of Inverse and Ill-Posed Problems
Funders named most often
A high share of funded papers usually means the journal is a common choice for grant-supported work in its field. If your funder pays article processing charges, or your country qualifies for a waiver, check what applies to your author team with the free APC waiver checker.
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03Indexing
Indexing of Journal of Inverse and Ill-Posed Problems
- ISSN
- 0928-0219
- eISSN
- 1569-3945
- Publisher
- De Gruyter all its journals →
- Subjects
- Mathematics, Applied, Mathematics
From the indexing lists used on ScholarsColab, updated 1 March 2026. Indexing can change: confirm on the Web of Science Master Journal List or the Scopus source list before submitting. Official Journal Impact Factors and JCR quartiles are published by Clarivate; the impact factor and quartile on this page are calculated from OpenAlex open data (see how the impact factor works).
Each link opens the official record for this journal, searched by its ISSN where we have one.
04How to submit
How to submit to Journal of Inverse and Ill-Posed Problems
- Read the guide for authors. It sets the article types, word limit, reference style and file format that Journal of Inverse and Ill-Posed Problems accepts. You find it on the official website of the journal, usually under "For authors" or "Submit".
- Use the journal's template. De Gruyter offers Word and LaTeX templates for many of its journals. If your manuscript is in Word and the journal wants LaTeX, our LaTeX Template Conversion moves it into the template.
- Check the fit. Read the aims and scope and a few recent issues; papers outside the scope are the most common reason for a desk rejection. The Journal Finder shows journals that published the closest work.
- Check the fee. Journal of Inverse and Ill-Posed Problems is not a fully open access journal, so authors usually pay nothing unless they choose open access for their article or the journal charges page or colour fees. The guide for authors states the current charges.
- Check your manuscript before you submit. The free Submission Readiness Check asks the seven questions our reviewers ask in every audit and takes about 2 minutes.
05Reviewer comments
Reviewer comments and rejection reasons for Journal of Inverse and Ill-Posed Problems
No reviewer or editor comments have been shared for this journal yet. Did you submit here? Help other researchers by sharing the comments you received, anonymously.
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06Same subject
Mathematics journals with a similar impact factor*
The journals next to Journal of Inverse and Ill-Posed Problems when the 463 journals of Mathematics in our data are ranked by impact factor*:
| Rank | Journal | Impact factor* | Indexing | Open access |
|---|---|---|---|---|
| 160 | Journal of Symplectic Geometry | 0.99 | SCIE | Subscription |
| 161 | Communications in Contemporary Mathematics | 0.98 | SCIE | Subscription |
| 162 | Linear and Multilinear Algebra | 0.98 | SCIE | Subscription |
| 163 | Bulletin of the Malaysian Mathematical Sciences Society | 0.98 | SCIE | Subscription |
| 165 | Vietnam Journal of Mathematics | 0.97 | ESCI | Subscription |
| 166 | St Petersburg Mathematical Journal | 0.97 | SCIE | Subscription |
| 167 | Proceedings of the Royal Society of Edinburgh Section A Mathematics | 0.97 | SCIE | Subscription |
| 168 | Analysis | 0.96 | ESCI | Subscription |
*Impact factor calculated from OpenAlex open data (2-year citedness), not the official Clarivate value.
07Journal Finder
Find the right journal for your paper
Is Journal of Inverse and Ill-Posed Problems right for your paper? Compare journals
Paste your title, keywords or abstract. See the journals that published the closest papers, with indexing, impact factor, review time and APC.
No AI or language model is used. Your words are matched against the titles of 156,724 real published journal papers, by our mentors and by other researchers (shown without names); journals are ranked by how many closely matching papers they published. Indexing comes from the SCIE, SSCI, AHCI, ESCI, Scopus and JCR 2024 lists, matched by journal name; the impact factor is calculated from OpenAlex open data, not the official Clarivate value, and no quartile is shown until the official JCR or SJR quartile can be; review time comes from the dates publishers deposit in Crossref (not every publisher deposits them). Always check a journal’s scope and current indexing before submitting.
08Questions
Frequently asked questions
What is the impact factor of Journal of Inverse and Ill-Posed Problems?
Based on OpenAlex citation data (October 2026), the 2-year impact factor of Journal of Inverse and Ill-Posed Problems is 0.98: papers it published in the two previous years were cited 0.98 times on average in a year. The journal is listed in JCR 2024, so Clarivate also publishes an official Journal Impact Factor, which can differ.
What is the h-index of Journal of Inverse and Ill-Posed Problems?
The h-index of Journal of Inverse and Ill-Posed Problems is 46 (OpenAlex, October 2026): 46 of its papers have each been cited at least 46 times. Its i10-index is 462.
What is the APC of Journal of Inverse and Ill-Posed Problems?
OpenAlex lists an article processing charge (APC) of about US$2,712 for Journal of Inverse and Ill-Posed Problems (data from October 2026). APCs change and can differ by article type, country or discounts, so confirm the current charge on the journal’s website before submitting.
What is the quartile of Journal of Inverse and Ill-Posed Problems?
A journal's quartile (Q1 to Q4) is its position within a subject category: Q1 is the top quarter. The official quartiles are published by Clarivate in Journal Citation Reports (by Journal Impact Factor, in Web of Science categories) and by Scimago as the SJR quartile (in Scopus categories). Journal of Inverse and Ill-Posed Problems is listed in JCR 2024, so its JCR quartile is in Journal Citation Reports. It is indexed in Scopus, so Scimago shows its SJR quartile. ScholarsColab does not show a quartile until it can show the official one; the impact factor and rank above are calculated from open data.
Is Journal of Inverse and Ill-Posed Problems indexed in Scopus?
Yes. Journal of Inverse and Ill-Posed Problems appears in the Scopus list, according to the indexing lists used on ScholarsColab (updated 1 March 2026). Always confirm the current status on the official list before submitting.
Is Journal of Inverse and Ill-Posed Problems an SCIE journal?
Yes. Journal of Inverse and Ill-Posed Problems is listed in the Science Citation Index Expanded (SCIE), according to the indexing lists used on ScholarsColab (updated 1 March 2026). Always confirm the current status on the official list before submitting.
Is Journal of Inverse and Ill-Posed Problems in Journal Citation Reports (JCR)?
Yes. Journal of Inverse and Ill-Posed Problems is listed in JCR 2024, so it has a Journal Impact Factor. For the current impact factor and quartile, check Journal Citation Reports.
Does Journal of Inverse and Ill-Posed Problems offer an APC waiver?
Journal of Inverse and Ill-Posed Problems follows the policy of De Gruyter Brill: automatic 80% discount for World Bank low-income and 30% for lower-middle income countries. Only the corresponding author's affiliation counts. Co-authors from other countries do not change the waiver. Rules verified 27 October 2026; confirm on the publisher's page.
Has Journal of Inverse and Ill-Posed Problems retracted papers?
Yes. The Retraction Watch database lists 1 retracted paper in Journal of Inverse and Ill-Posed Problems, 1 of them in the last 10 years; the most common reasons are error in text. A retraction count alone is not a verdict on a journal; look at the trend and the reasons. Data updated October 2026.
Who funds research published in Journal of Inverse and Ill-Posed Problems?
35% of 135 recent research articles in Journal of Inverse and Ill-Posed Problems name a funder in Crossref; the funders named most often are National Natural Science Foundation of China, Russian Science Foundation, Japan Society for the Promotion of Science.
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