Tag Archives: irreducible spaces

Commutative Algebra 6

Injective and Surjective Maps Proposition. Let be a morphism of closed sets, with corresponding . is injective if and only if is dense. is surjective if and only if is an embedding of V as a closed subspace of W. … Continue reading

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Commutative Algebra 4

More Concepts in Algebraic Geometry Recall that we have a bijection between radical ideals of and closed subsets of . The bijection reverses the inclusion so if and only if . Not too surprisingly, operations on ideals translate to operations … Continue reading

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