most citedEinstein metrics and the number of smooth structures on a four-manifold

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math.SG2002

Clustering of critical points in Lefschetz fibrations and the symplectic Szpiro inequality

V. Braungardt, D. Kotschick

We prove upper bounds for the number of critical points in semistable symplectic Lefschetz fibrations. We also obtain a new lower bound for the number of nonseparting vanishing cyc…