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Journal Articles Trends in Mathermatics Year : 2017

Welschinger invariants revisited


We establish the enumerativity of (original and modified) Welschinger invariants for every real divisor on any real algebraic Del Pezzo surface and give an algebro-geometric proof of the invariance of that count both up to variation of the point constraints on a given surface and variation of the complex structure of the surface itself.

Dates and versions

hal-03983103 , version 1 (10-02-2023)



Ilia Itenberg, Viatcheslav Kharlamov, Eugenii Shustin. Welschinger invariants revisited. Trends in Mathermatics, 2017. ⟨hal-03983103⟩
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