Nombres de Betti des surfaces elliptiques r\'{e}elles
classification
🧮 math.AG
keywords
bettiboundrealsurfacecomponentsconnectedelleselliptic
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We prove a new bound for the number of connected components of a real regular elliptic surface with a real section and we show the sharpness of this bound. Furthermore, all possible values for the Betti numbers of such a surface are realized.
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