1965
DOI: 10.2307/1994260
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The Space of Minimal Prime Ideals of a Commutative Ring

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Cited by 44 publications
(69 citation statements)
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“…However, as we saw in (2.3.12(i)) and the proof of (2.3.14), every infinite ultracopower via a countably incomplete ultrafilter contains a copy of /3(w). This space is known [22] …”
Section: Remark By (12) and The Initial Remarks Of ?21 F(z_x) Camentioning
confidence: 99%
“…However, as we saw in (2.3.12(i)) and the proof of (2.3.14), every infinite ultracopower via a countably incomplete ultrafilter contains a copy of /3(w). This space is known [22] …”
Section: Remark By (12) and The Initial Remarks Of ?21 F(z_x) Camentioning
confidence: 99%
“…We know / is a continuous bijection, and (a) is precisely the condition we need to make f~ι continuous. Now Min X is Hausdorff [4,Corollary 2.4] and Min X is extremal because it is dense in the extremal space X; on the other hand, r (f{X) is quasicompact because it is a quotient of the quasicompact space X, and since / is a homeomorphism, we obtain at once that both Min X and r έ? {X) are extremally disconnected Boolean spaces.…”
Section: E(y')) = φ(E(y))φ(e(y'))mentioning
confidence: 87%
“…Unfortunately, KC(X) has no convenient dense subset (as does IX) and, before proceeding, we introduce the function 8X: Kc(X)->ßX defined by &x{P) -Pi where p is the unique [GJ,7.15] point in ßX with £ ç M". It is shown in [HJ,5.3] that 8X restricted to the minimal prime ideals topologized relative to Spec C{X) is continuous. The proof used there, however, readily adapts to show that 6X is continuous when the domain space is Spec C{X); since KC(X) is finer than Spec C{X), we have the continuity of 8X: KC(X) -> ßX.…”
Section: Px°fp=f°py-mentioning
confidence: 99%
“…The space m{A) of minimal prime ideals of A e 3ft topologized relative to Spec A has been studied extensively; see [KJ,[K2] and [HJ]. It is clear that the topology on the set m{A) relative to KA is finer than m{A); in fact, if A contains no nonzero nilpotent elements (in particular, if A = C{X)), then each A{a) n m{A) is open in m{A) [HJ,2.3] and these relative topologies coincide. We let m{X) denote the space m{C{X)) and note that m{X)<=tX [GJ,14.7].…”
Section: Corollary [Gj 14f]mentioning
confidence: 99%
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