A wall-crossing formula for degrees of Real central projections

DOI10.1142/S0129167X14500384zbMath1295.14053arXiv1206.4271OpenAlexW2156527144MaRDI QIDQ5418653

Andrei Teleman, Christian Okonek

Publication date: 26 May 2014

Published in: International Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1206.4271

zbMATH Keywords

degreewall-crossingrelative orientationcentral projectionreal projective varietyconservation of numbers

Mathematics Subject Classification ID

Grassmannians, Schubert varieties, flag manifolds (14M15) Enumerative problems (combinatorial problems) in algebraic geometry (14N10) Topology of real algebraic varieties (14P25) Classical problems, Schubert calculus (14N15)

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Lower bounds in real algebraic geometry and orientability of real toric varieties ⋮ An arithmetic count of the lines on a smooth cubic surface

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