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Talk:Ida surface

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Resubmitted: every paragraph now cited; note on the sources

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@Z. Patterson: Thank you for the review of 26 August. The draft was declined for verifiability, with the comment that there were uncited statements, including entire paragraphs. Both points have been addressed in the resubmitted version:

1. Every paragraph now carries inline citations, with page numbers. The lead, the Background section and all of the technical sections (Ovalesque surfaces, The family F(ℓ, b), Parametrization and Shading the surface) previously contained paragraphs with no citation at all. Each paragraph, and the text around each displayed formula, is now anchored to a specific source and page using {{rp}} — for example Francis 1987, Postscript p. 179, for the F(ℓ, b) family, and Francis 1991, p. 68, for the shading method. The draft now has 97 inline citations to 13 references (previously 33 citations to 8 references), and no paragraph is uncited. The algebra in Shading the surface is a routine verification of the cited method (WP:CALC).

2. Every reference has been converted to {{cite book}}, {{cite magazine}} or {{cite web}} with publisher, ISBN, DOI and wikilinks, so that the nature of each source is visible at a glance. In the earlier version the publishers were abbreviated (e.g. "Springer", "Chelsea", "Vieweg"), which may not have made their standing obvious. For convenience:

RefSourcePublisher / venueNature of source
1Weisstein, "Ida Surface", MathWorldWolfram Research (the entry cites Peterson 1990, pp. 44–45)Independent tertiary reference work
2Ivars Peterson, Islands of Truth: A Mathematical Mystery Cruise (1990; pbk 1991), pp. 42–45, cover and Color Plate 3W. H. Freeman (now part of Macmillan)Independent book-length treatment by a notable science writer
3Hilbert & Cohn-Vossen, Geometry and the Imagination (1952; orig. 1932), ch. VI §§ 46–47Chelsea, reprinted by the American Mathematical Society (AMS Chelsea 87)Classic reference for one-sided surfaces, the Roman surface and Boy's surface
4Francis, A Topological Picturebook (1987), ch. 5 and Postscript p. 179Springer-Verlag (Springer Nature)Academic monograph; has its own Wikipedia article
5Francis, "The Etruscan Venus", in Geometric Analysis and Computer Graphics, MSRI Publications vol. 17 (1991), pp. 67–77, doi:10.1007/978-1-4613-9711-3_8Springer-Verlag (Springer Nature), for the Mathematical Sciences Research InstituteAcademic proceedings volume; the primary mathematical account of the surface
6Peterson, "Twists of Space", Science News 132(17), 24 Oct. 1987, pp. 264–266Science News (Science Service, now the Society for Science)Independent contemporaneous reporting
7Computer vol. 22 no. 8 (Aug. 1989), front cover and pp. 2–3IEEE Computer Society (the Society's flagship magazine; the IEEE is the world's largest technical professional organization)Independent
8"Romboy Homotopy", SIGGRAPH '88 Technical Slide ShowACM SIGGRAPH (the ACM is the world's largest scientific and educational computing society); catalogued in the ACM SIGGRAPH History ArchivesIndependent catalogue record
9The Etruscan Venus (video), SIGGRAPH Video Review no. 49 (1989)Association for Computing MachineryCited only for the existence of the video
10Apéry, Models of the Real Projective Plane (1987), doi:10.1007/978-3-322-89569-1Vieweg (now an imprint of Springer Nature; the book is on SpringerLink)Academic monograph on Boy's surface and the Romboy homotopy
11Idaszak, "A method for shading 3D single-sided surfaces", IRIS Universe, Winter–Spring 1988, pp. 9–11Silicon Graphics (the company's technical magazine)The published description of the shading method; it is the source Francis's Springer chapter itself cites (its reference 9) for the method
12Vince, Essential Mathematics for Computer Graphics fast (2001), pp. 58–59 and 214–215, doi:10.1007/978-1-4471-3685-9Springer-Verlag (Springer Nature)Textbook; cited only for the standard vector facts (dot-product sign, plane equation from three points)
13XScreenSaver etruscanvenus manual page (2020)Ubuntu manpage repositoryPrimary source, cited only for the statement that the surface is implemented in XScreenSaver

None of the sources is a blog, social-media post, self-published work or predatory publisher. Nine of the thirteen come from academic, professional-society or established reference publishers (Springer ×3, AMS/Chelsea, Vieweg/Springer, IEEE, ACM ×2, Wolfram), and the independent secondary coverage — the Science News article, the W. H. Freeman book (cover, colour plate and text), the IEEE Computer cover, and the MathWorld entry — is what supports notability under WP:GNG.

Three small content corrections were made at the same time: the statement in Background about the Jordan–Brouwer theorem now correctly says that a closed surface embedded in 3-space must be two-sided; defined terms are italicised rather than bolded (MOS:BOLD); and the See also section anchor was fixed.

I would be grateful for a re-review. NeuroMag (talk) 21:08, 16 September 2026 (UTC)Reply