List questions from zariski-topology

Published on 27 Jul 2020 - 7:35

56

Views

Let $\phi: A \rightarrow B$ be a ring homomorphsim. Then $\operatorname{Int} \phi^*(Y_{\phi(f)})=X_f$

Published on 30 Jul 2020 - 7:13

33

Views

Comparing covers

Published on 10 Jul 2016 - 0:41

1.1k

Views

Why is the zero locus of a polynomial ideal a variety?

Published on 19 Jul 2016 - 22:10

90

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Is the $n-2$ skeleton of a polytope closed in the Zariski topology?

Published on 08 Aug 2016 - 1:29

2.2k

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When is the Zariski topology $T_2$?

Published on 08 Sep 2016 - 0:39

4.2k

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Why is a Zariski closed set compact under the Zariski topology?

Published on 23 Sep 2016 - 17:39

65

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Where does my argument fail?

Published on 05 Oct 2016 - 10:58

1.8k

Views

Closure of a point : Zariski Topology.

Published on 16 Oct 2016 - 8:41

377

Views

Is there a ring whose spectrum is homeomorphic to $\Bbb C$ with the Zariski topology?

Published on 05 Nov 2016 - 10:03

842

Views

how can i show that (cost,sint,t) is not affine variety and find its zariski closure?

Published on 17 Nov 2016 - 17:09

556

Views

Spectrum of a ring homeomorphic to a compact, totally disconnected space

Published on 21 Nov 2016 - 22:42

91

Views

A set is closed in Zariski topology

Published on 30 Nov 2016 - 0:37

1.1k

Views

Closure of an open set in the Zariski topology

Published on 18 Dec 2016 - 9:17

677

Views

Partition of Unity for a commutative ring

Published on 18 Dec 2016 - 17:18

List Question

Are $\operatorname{Spec}\overline{\mathbb{Q}}[x]$ and $\operatorname{Spec}\mathbb{Z}$ homeomorphic?

Let $\phi: A \rightarrow B$ be a ring homomorphsim. Then $\operatorname{Int} \phi^*(Y_{\phi(f)})=X_f$

Comparing covers

Why is the zero locus of a polynomial ideal a variety?

Is the $n-2$ skeleton of a polytope closed in the Zariski topology?

When is the Zariski topology $T_2$?

Why is a Zariski closed set compact under the Zariski topology?

Where does my argument fail?

Closure of a point : Zariski Topology.

Is there a ring whose spectrum is homeomorphic to $\Bbb C$ with the Zariski topology?

how can i show that (cost,sint,t) is not affine variety and find its zariski closure?

Spectrum of a ring homeomorphic to a compact, totally disconnected space

A set is closed in Zariski topology

Closure of an open set in the Zariski topology

Partition of Unity for a commutative ring

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