<p>The aim of this paper is to investigate chains of prime ideals in any fiber product of morphisms in the category of commutative ring. After computing explicitly the Krull dimension of a fiber product in some particular relevant cases, we provide some bounds for it in general and we illustrate their sharpness by providing appropriate examples.</p>

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On the dimension of fiber products of commutative rings

  • Désirée Basile,
  • Carmelo Antonio Finocchiaro

摘要

The aim of this paper is to investigate chains of prime ideals in any fiber product of morphisms in the category of commutative ring. After computing explicitly the Krull dimension of a fiber product in some particular relevant cases, we provide some bounds for it in general and we illustrate their sharpness by providing appropriate examples.