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- Zeuthen–Segre_invariant abstract "In algebraic geometry, the Zeuthen–Segre invariant I is an invariant of complex projective surfaces, introduced by Zeuthen (1871) and rediscovered by Corrado Segre (1896). The invariant I is defined to be d – 4g – b if the surface has a pencil of curves, non-singular of genus g except for d curves with 1 ordinary node, and with b base points where the curves are non-singular and transverse. Alexander (1914) showed that the Zeuthen–Segre invariant I is χ–4, where χ is the topological Euler–Poincaré characteristic introduced by Poincaré (1895), which is equal to the Chern number c2 of the surface.".
- Zeuthen–Segre_invariant wikiPageExternalLink f7.image.
- Zeuthen–Segre_invariant wikiPageExternalLink principlesofgeom06bake.
- Zeuthen–Segre_invariant wikiPageID "35091025".
- Zeuthen–Segre_invariant wikiPageLength "2940".
- Zeuthen–Segre_invariant wikiPageOutDegree "6".
- Zeuthen–Segre_invariant wikiPageRevisionID "627092154".
- Zeuthen–Segre_invariant wikiPageWikiLink Cambridge_University_Press.
- Zeuthen–Segre_invariant wikiPageWikiLink Category:Algebraic_surfaces.
- Zeuthen–Segre_invariant wikiPageWikiLink Chern_class.
- Zeuthen–Segre_invariant wikiPageWikiLink Euler_characteristic.
- Zeuthen–Segre_invariant wikiPageWikiLink Mathematische_Annalen.
- Zeuthen–Segre_invariant wikiPageWikiLink Springer_Science+Business_Media.
- Zeuthen–Segre_invariant wikiPageWikiLinkText "Zeuthen–Segre invariant".
- Zeuthen–Segre_invariant authorlink "Corrado Segre".
- Zeuthen–Segre_invariant first "Corrado".
- Zeuthen–Segre_invariant last "Segre".
- Zeuthen–Segre_invariant wikiPageUsesTemplate Template:Citation.
- Zeuthen–Segre_invariant wikiPageUsesTemplate Template:Harvs.
- Zeuthen–Segre_invariant year "1896".
- Zeuthen–Segre_invariant subject Category:Algebraic_surfaces.
- Zeuthen–Segre_invariant hypernym Invariant.
- Zeuthen–Segre_invariant type Redirect.
- Zeuthen–Segre_invariant type Surface.
- Zeuthen–Segre_invariant type Variety.
- Zeuthen–Segre_invariant comment "In algebraic geometry, the Zeuthen–Segre invariant I is an invariant of complex projective surfaces, introduced by Zeuthen (1871) and rediscovered by Corrado Segre (1896). The invariant I is defined to be d – 4g – b if the surface has a pencil of curves, non-singular of genus g except for d curves with 1 ordinary node, and with b base points where the curves are non-singular and transverse.".
- Zeuthen–Segre_invariant label "Zeuthen–Segre invariant".
- Zeuthen–Segre_invariant sameAs Q8069822.
- Zeuthen–Segre_invariant sameAs m.0j63vvw.
- Zeuthen–Segre_invariant sameAs Q8069822.
- Zeuthen–Segre_invariant wasDerivedFrom Zeuthen–Segre_invariant?oldid=627092154.
- Zeuthen–Segre_invariant isPrimaryTopicOf Zeuthen–Segre_invariant.