On the standard models of del Pezzo fibrations of degree four
Abstract
Corti defined the notion of standard models of del Pezzo fibrations, and studied their existence over C with a fixed generic fibre. In this paper, we prove the existence of standard models of del Pezzo fibrations of degree 4 in characteristic >2. To show this, we use the notion of Koll\'ar stability, which was introduced by Koll\'ar and Abban-Fedorchuk-Krylov.
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