Segre Indices and Welschinger Weights as Options for Invariant Count of Real Lines

DOI10.1093/imrn/rnz208zbMath1475.14105arXiv1901.06586OpenAlexW3103895407WikidataQ127434357 ScholiaQ127434357MaRDI QIDQ5006246

Sergey Finashin, Viatcheslav Kharlamov

Publication date: 13 August 2021

Published in: International Mathematics Research Notices (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1901.06586

zbMATH Keywords

vector bundlesEuler numbermultisecantsenumerative geometrywall crossingreal linesBirkhoff-Grothendieck theoremCastelnuovo countproblem of the twenty seven linesSegre indexSegre speciessmooth projective hypersurfaceWelschinger weight

Mathematics Subject Classification ID

Classical problems, Schubert calculus (14N15) Configurations and arrangements of linear subspaces (14N20)

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